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Hillebrand L, Liang XJ, Serafim RAM, Gehringer M. Emerging and Re-emerging Warheads for Targeted Covalent Inhibitors: An Update. J Med Chem 2024; 67:7668-7758. [PMID: 38711345 DOI: 10.1021/acs.jmedchem.3c01825] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Covalent inhibitors and other types of covalent modalities have seen a revival in the past two decades, with a variety of new targeted covalent drugs having been approved in recent years. A key feature of such molecules is an intrinsically reactive group, typically a weak electrophile, which enables the irreversible or reversible formation of a covalent bond with a specific amino acid of the target protein. This reactive group, often called the "warhead", is a critical determinant of the ligand's activity, selectivity, and general biological properties. In 2019, we summarized emerging and re-emerging warhead chemistries to target cysteine and other amino acids (Gehringer, M.; Laufer, S. A. J. Med. Chem. 2019, 62, 5673-5724; DOI: 10.1021/acs.jmedchem.8b01153). Since then, the field has rapidly evolved. Here we discuss the progress on covalent warheads made since our last Perspective and their application in medicinal chemistry and chemical biology.
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Affiliation(s)
- Laura Hillebrand
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Xiaojun Julia Liang
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
- Cluster of Excellence iFIT (EXC 2180) "Image-Guided & Functionally Instructed Tumor Therapies", University of Tübingen, 72076 Tübingen, Germany
| | - Ricardo A M Serafim
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Matthias Gehringer
- Department of Pharmaceutical/Medicinal Chemistry, Eberhard Karls University Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
- Cluster of Excellence iFIT (EXC 2180) "Image-Guided & Functionally Instructed Tumor Therapies", University of Tübingen, 72076 Tübingen, Germany
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2
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Duan M, Qiu C, Huang X, Sun L, He X, Wang Z, Yue H, Wang K, Qi Y, Peng S, Shi X, Xi Z, Tong M, Ding X, Hou Y, Zhao Y. Novel biaryloxazolidinone derivatives with broad-spectrum antibacterial activity, favorable drug-like profiles and in vivo efficacy against linezolid-resistant Staphylococcusaureus. Eur J Med Chem 2024; 273:116493. [PMID: 38761790 DOI: 10.1016/j.ejmech.2024.116493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/02/2024] [Accepted: 05/08/2024] [Indexed: 05/20/2024]
Abstract
The emergence of multidrug-resistant bacteria along with a declining pipeline of clinically useful antibiotics has led to the urgent need for the development of more effective antibacterial agents to treat drug-resistant bacteria. We previously discovered compound OB-158 with potent antibacterial activity but exhibited poor oral bioavailability. Herein, a systematic structural optimization of OB-158 to improve pharmacokinetic profiles yielded 26 novel biaryloxazolidinone analogues, and their activities against Gram-positive S. aureus, multidrug resistant S. aureus and Enterococcus faecalis were evaluated. Remarkably, compound 8b was identified with potent antibacterial activity against S. aureus (MIC = 0.06 μg/mL), MSSA (MIC = 0.125 μg/mL), MRSA (MIC = 0.06 μg/mL), LRSA (MIC = 0.125 μg/mL) and LREFa (MIC = 0.5 μg/mL). Compound 8b was demonstrated as a promising candidate through druglikeness evaluation including metabolism in microsomes and plasma, Caco-2 cell permeability, plasma protein binding, cytotoxicity, and inhibition of CYP450 and human monoamine oxidase. Notably, compound 8b displayed excellent PK profile with appropriate T1/2 of 1.49 h, high peak plasma concentration (Cmax = 2320 ng/mL), high plasma exposure (AUC0-t = 8310 h ng/mL), and superior oral bioavailability (F = 68.1 %) in Sprague-Dawley rats. Ultimately, in vivo efficacy of compound 8b in a mouse model of LRSA systemic infection was also demonstrated. Taken together, compound 8b represents a promising drug candidate for the treatment of linezolid-resistant Gram-positive bacterial strains infection.
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Affiliation(s)
- Meibo Duan
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Chuang Qiu
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Xinyu Huang
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Lei Sun
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Xinzi He
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Zechen Wang
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Hao Yue
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Kun Wang
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Yinliang Qi
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Shan Peng
- 3D BioOptima, 1338 Wuzhong Avenue, Suzhou, 215104, China
| | - Xuan Shi
- 3D BioOptima, 1338 Wuzhong Avenue, Suzhou, 215104, China
| | - Zhiguo Xi
- 3D BioOptima, 1338 Wuzhong Avenue, Suzhou, 215104, China
| | - Minghui Tong
- 3D BioOptima, 1338 Wuzhong Avenue, Suzhou, 215104, China
| | - Xiudong Ding
- Department of Clinical Laboratory, The 309th Hospital of Chinese People's Liberation Army, Beijing 100091, China
| | - Yunlei Hou
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China.
| | - Yanfang Zhao
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China.
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3
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Rasheed S, Huda NU, Fisher SZ, Falke S, Gul S, Ahmad MS, Choudhary MI. Identification, crystallization, and first X-ray structure analyses of phenyl boronic acid-based inhibitors of human carbonic anhydrase-II. Int J Biol Macromol 2024; 267:131268. [PMID: 38580011 DOI: 10.1016/j.ijbiomac.2024.131268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/26/2024] [Accepted: 03/28/2024] [Indexed: 04/07/2024]
Abstract
Human carbonic anhydrases (hCAs) play a central role in various physiological processes in the human body. HCAs catalyze the reversible hydration of CO2 into HCO3-, and hence maintains the fluid and pH balance. Overexpression of CA II is associated with diseases, such as glaucoma, and epilepsy. Therefore, CAs are important clinical targets and inhibition of different isoforms, especially hCA II is used in treatment of glaucoma, altitude sickness, and epilepsy. Therapeutically used CA inhibitors (CAI) are sulfonamide-based, such as acetazolamide, dichlorphenamide, methazolamide, ethoxzolamide, etc. However, they exhibit several undesirable effects such as numbness, tingling of extremities, malaise, metallic taste, fatigue, renal calculi, and metabolic acidosis. Therefore, there is an urgent need to identify safe and effective inhibitors of the hCAs. In this study, different phenyl boronic acids 1-5 were evaluated against bovine (bCA II) and hCA II. Among all, compound 1 (4-acetylphenyl boronic acid) was found to be active against bCAII and hCA II with IC50 values of 246 ± 0.48 and 281.40 ± 2.8 μM, respectively, while the remaining compounds were found in-active. Compound 1 was identified as competitive inhibitor of hCA II enzyme (Ki = 283.7 ± 0.002 μM). Additionally, compound 1 was found to be non-toxic against BJ Human fibroblast cell line. The X-ray crystal structure for hCA II in-complex with compound 1 was evaluated to a resolution of 2.6 Å. In fact, this the first structural analysis of a phenyl boron-based inhibitor bound to hCA II, allowing an additional structure-activity analysis of the compounds. Compound 1 was found to be directly bound in the active site of hCA II by interacting with His94, His119, and Thr199 residues. In addition, a bond of 3.11 Å between the zinc ion and coordinated boron atom of the boronic acid moiety of compound 1 was also observed, contributing to binding affinity of compound 1 for hCA II. PDB ID: 8IGF.
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Affiliation(s)
- Saima Rasheed
- Dr. Panjwani Center of Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan.
| | - Noor Ul Huda
- Dr. Panjwani Center of Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - S Zoë Fisher
- European Spallation Source ERIC, P.O. Box 176, SE-221 00 Lund, Sweden
| | - Sven Falke
- Deutsches Elektronen-Synchrotron, Center for Free-Electron Laser Science (CFEL), Notkestraße 85, 22607 Hamburg, Germany
| | - Sadaf Gul
- Dr. Panjwani Center of Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Malik Shoaib Ahmad
- Dr. Panjwani Center of Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - M Iqbal Choudhary
- Dr. Panjwani Center of Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan; H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan; Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21412, Saudi Arabia
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4
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Khairnar P, Saathoff JM, Cook DW, Hochstetler SR, Pandya U, Robinson SJ, Satam V, Donsbach KO, Gupton BF, Jin LM, Shanahan CS. Practical Synthesis of 6-Amino-1-hydroxy-2,1-benzoxaborolane: A Key Intermediate of DNDI-6148. Org Process Res Dev 2024; 28:1213-1223. [PMID: 38660377 PMCID: PMC11036395 DOI: 10.1021/acs.oprd.4c00031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/03/2024] [Accepted: 03/11/2024] [Indexed: 04/26/2024]
Abstract
Visceral leishmaniasis (VL), a parasitic, poverty-linked, neglected disease, is endemic across multiple regions of the world and fatal if untreated. There is an urgent need for a better and more affordable treatment for VL. DNDI-6148 is a promising drug candidate being evaluated for the treatment of VL; however, the current process for producing the key intermediate of DNDI-6148, 6-amino-1-hydroxy-2,1-benzoxaborolane, is expensive and difficult to scale up. Herein, we describe two practical approaches to synthesizing 6-amino-1-hydroxy-2,1-benzoxaborolane from inexpensive and readily available raw materials. Starting with 4-tolunitrile, the first approach is a five-step sequence involving a Hofmann rearrangement, resulting in an overall yield of 40%. The second approach utilizes 2-methyl-5-nitroaniline as the starting material and features borylation of aniline and continuous flow hydrogenation as the key steps, with an overall yield of 46%. Both routes bypass the nitration of 1-hydroxy-2,1-benzoxaborolane, which is challenging and expensive to scale. In particular, the second approach is more practical and scalable because of the mild operating conditions and facile isolation process.
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Affiliation(s)
- Pankaj
V. Khairnar
- Medicines
for All Institute, Virginia Commonwealth
University, Richmond, Virginia 23284-3068, United States
| | - John M. Saathoff
- Medicines
for All Institute, Virginia Commonwealth
University, Richmond, Virginia 23284-3068, United States
| | - Daniel W. Cook
- Medicines
for All Institute, Virginia Commonwealth
University, Richmond, Virginia 23284-3068, United States
| | - Samuel R. Hochstetler
- Medicines
for All Institute, Virginia Commonwealth
University, Richmond, Virginia 23284-3068, United States
| | - Urvish Pandya
- Drugs
for Neglected Diseases initiative, 15 Chemin Camille-Vidart, 1202 Geneva, Switzerland
| | - Stephen J. Robinson
- Drugs
for Neglected Diseases initiative, 15 Chemin Camille-Vidart, 1202 Geneva, Switzerland
| | - Vijay Satam
- Drugs
for Neglected Diseases initiative, 15 Chemin Camille-Vidart, 1202 Geneva, Switzerland
| | - Kai O. Donsbach
- Medicines
for All Institute, Virginia Commonwealth
University, Richmond, Virginia 23284-3068, United States
| | - B. Frank Gupton
- Medicines
for All Institute, Virginia Commonwealth
University, Richmond, Virginia 23284-3068, United States
| | - Li-Mei Jin
- Medicines
for All Institute, Virginia Commonwealth
University, Richmond, Virginia 23284-3068, United States
| | - Charles S. Shanahan
- Medicines
for All Institute, Virginia Commonwealth
University, Richmond, Virginia 23284-3068, United States
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5
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Pajić M, Juribašić Kulcsár M. Solid-State Synthesis of B←N Adducts by the Amine-Facilitated Trimerization of the Phenylboronic Acid. Chemistry 2024; 30:e202400190. [PMID: 38334299 DOI: 10.1002/chem.202400190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 02/10/2024]
Abstract
Stable boroxine-amine adducts comprising dative B←N bond(s) were prepared by mechanochemically-induced reactions of phenylboronic acid (PBA) and amines (pyridine, DMAP, 1H-pyrazole, piperidine, DABCO, hexamethylenetetramine, or 4,4'-bipyridine). In-situ Raman monitoring, ex-situ PXRD and DFT calculations were used for product identification. Stoichiometry of the product (3 : 1, 3 : 2 or 6 : 1 adduct) was controlled by the amine structure and the molar ratio of the reactants. The 1 : 2 H-bonded assembly of PBA and 4,4'-bipyridine (bpy) was confirmed as an intermediate in the adduct formation for bpy. Competitive binding experiments indicated that the exchange of the amines in the 3 : 1 adducts follows the computed adduct stabilities that increase with the amine basicity. Following the DFT prediction, the first adduct with two different amines, DMAP and pip, bound to one boroxine moiety was isolated and structurally characterized. Results show that calculations can be used to predict possible and preferred product(s) and their spectral characteristics.
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Affiliation(s)
- Mario Pajić
- Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, HR-10000, Zagreb, Croatia
| | - Marina Juribašić Kulcsár
- Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, HR-10000, Zagreb, Croatia
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6
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Amatya E, Subramanian C, Cohen MS, Blagg BSJ. Development of Hsp90 C-terminal inhibitors with noviomimetics that manifest anti-proliferative activities. RSC Med Chem 2024; 15:888-894. [PMID: 38516588 PMCID: PMC10953479 DOI: 10.1039/d3md00529a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/12/2024] [Indexed: 03/23/2024] Open
Abstract
Inhibition of the Hsp90 C-terminal domain offers a promising opportunity to treat numerous diseases/indications. Furthermore, the development of Hsp90 C-terminal inhibitors (CTIs) is advantageous over N-terminal inhibitors because it avoids the detriments associated with induction of the heat shock response (HSR). However, the lack of co-crystal structures of small molecules bound to the C-terminus have hindered their development. Therefore, structure-activity relationship (SAR) studies have been pursued to optimize such inhibitors. Noviose sugar surrogates, also known as noviomimetics have been prepared to investigate the size and nature of the C-terminal domain binding pocket. Herein, we report the synthesis and anti-proliferative activity manifested by this new series of Hsp90 C-terminal inhibitors.
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Affiliation(s)
- Eva Amatya
- Department of Chemistry and Biochemistry, Warren Center for Drug Discovery, University of Notre Dame Notre Dame Indiana 46556 USA
| | - Chitra Subramanian
- Cancer Center at Illinois, University of Illinois Urbana-Champaign Urbana Illinois 61801 USA
| | - Mark S Cohen
- Cancer Center at Illinois, University of Illinois Urbana-Champaign Urbana Illinois 61801 USA
| | - Brian S J Blagg
- Department of Chemistry and Biochemistry, Warren Center for Drug Discovery, University of Notre Dame Notre Dame Indiana 46556 USA
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7
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Grams RJ, Santos WL, Scorei IR, Abad-García A, Rosenblum CA, Bita A, Cerecetto H, Viñas C, Soriano-Ursúa MA. The Rise of Boron-Containing Compounds: Advancements in Synthesis, Medicinal Chemistry, and Emerging Pharmacology. Chem Rev 2024; 124:2441-2511. [PMID: 38382032 DOI: 10.1021/acs.chemrev.3c00663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Boron-containing compounds (BCC) have emerged as important pharmacophores. To date, five BCC drugs (including boronic acids and boroles) have been approved by the FDA for the treatment of cancer, infections, and atopic dermatitis, while some natural BCC are included in dietary supplements. Boron's Lewis acidity facilitates a mechanism of action via formation of reversible covalent bonds within the active site of target proteins. Boron has also been employed in the development of fluorophores, such as BODIPY for imaging, and in carboranes that are potential neutron capture therapy agents as well as novel agents in diagnostics and therapy. The utility of natural and synthetic BCC has become multifaceted, and the breadth of their applications continues to expand. This review covers the many uses and targets of boron in medicinal chemistry.
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Affiliation(s)
- R Justin Grams
- Department of Chemistry and Virginia Tech Center for Drug Discovery, Virginia Tech, 900 West Campus Drive, Blacksburg, Virginia 24061, United States
| | - Webster L Santos
- Department of Chemistry and Virginia Tech Center for Drug Discovery, Virginia Tech, 900 West Campus Drive, Blacksburg, Virginia 24061, United States
| | | | - Antonio Abad-García
- Academia de Fisiología y Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina del Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón s/n, 11340 Mexico City, Mexico
| | - Carol Ann Rosenblum
- Department of Chemistry and Virginia Tech Center for Drug Discovery, Virginia Tech, 900 West Campus Drive, Blacksburg, Virginia 24061, United States
| | - Andrei Bita
- Department of Pharmacognosy & Phytotherapy, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania
| | - Hugo Cerecetto
- Centro de Investigaciones Nucleares, Facultad de Ciencias, Universidad de la República, Mataojo 2055, 11400 Montevideo, Uruguay
| | - Clara Viñas
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Spain
| | - Marvin A Soriano-Ursúa
- Academia de Fisiología y Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina del Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón s/n, 11340 Mexico City, Mexico
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8
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Alhthlol L, Orme CL, Jefferis BS, Herter SA, Kemper HE, Tomsho JW. Synthesis of Boron-Containing Nucleoside Analogs. J Org Chem 2024; 89:1556-1566. [PMID: 38227951 PMCID: PMC10845115 DOI: 10.1021/acs.joc.3c02179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/06/2023] [Accepted: 12/18/2023] [Indexed: 01/18/2024]
Abstract
Over the last century, nucleoside-based therapeutics have demonstrated remarkable effectiveness in the treatment of a wide variety of diseases from cancer to HIV. In addition, boron-containing drugs have recently emerged as an exciting and fruitful avenue for medicinal therapies. However, borononucleosides have largely been unexplored in the context of medicinal applications. Herein, we report the synthesis, isolation, and characterization of two novel boron-containing nucleoside compound libraries which may find utility as therapeutic agents. Our synthetic strategy employs efficient one-step substitution reactions between a diverse variety of nucleoside scaffolds and an assortment of n-alkyl potassium trifluoroborate-containing electrophiles. We demonstrated that these alkylation reactions are compatible with cyclic and acyclic nucleoside substrates, as well as increasing alkyl chain lengths. Furthermore, regioselective control of product formation can be readily achieved through manipulation of base identity and reaction temperature conditions.
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Affiliation(s)
- Latifah
M. Alhthlol
- Department
of Chemistry & Biochemistry, St Joseph’s
University, University City Campus, 600 South 43rd Street, Philadelphia, Pennsylvania 19104, United States
- Department
of Chemistry, King Saud bin Abdulaziz University
for Health Sciences, Al Mubarraz, Alahsa 36428, Saudi Arabia
| | - Christopher L. Orme
- Department
of Chemistry & Biochemistry, St Joseph’s
University, University City Campus, 600 South 43rd Street, Philadelphia, Pennsylvania 19104, United States
| | - Ben S. Jefferis
- Department
of Chemistry & Biochemistry, St Joseph’s
University, University City Campus, 600 South 43rd Street, Philadelphia, Pennsylvania 19104, United States
| | - Sarah A. Herter
- Department
of Chemistry & Biochemistry, St Joseph’s
University, University City Campus, 600 South 43rd Street, Philadelphia, Pennsylvania 19104, United States
| | - Halee E. Kemper
- Department
of Chemistry & Biochemistry, St Joseph’s
University, University City Campus, 600 South 43rd Street, Philadelphia, Pennsylvania 19104, United States
| | - John W. Tomsho
- Department
of Chemistry & Biochemistry, St Joseph’s
University, University City Campus, 600 South 43rd Street, Philadelphia, Pennsylvania 19104, United States
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9
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Giovannuzzi S, Nikitjuka A, Pereira Resende BR, Smietana M, Nocentini A, Supuran CT, Winum JY. Boron-containing carbonic anhydrases inhibitors. Bioorg Chem 2024; 143:106976. [PMID: 38000350 DOI: 10.1016/j.bioorg.2023.106976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 10/24/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023]
Abstract
Over the last decades, the medicinal chemistry of boron-based compounds has been extensively explored, designing valuable small molecule drugs to tackle diseases and conditions, such as cancer, infections, inflammatory and neurological disorders. Notably, boron has proven to also be a valuable element for the development of inhibitors of the metalloenzymes carbonic anhydrases (CAs), a class of drug targets with significant potential in medicinal chemistry. Incorporating boron into carbonic anhydrase inhibitors (CAIs) can modulate the ligand ability to recognize the target and/or influence selectivity towards different CA isoforms, using the tail approach and boron-based tails. The electron-deficient nature of boron and its associated properties have also led to the discovery of novel zinc-binding CAIs, such as boronic acids and the benzoxaboroles, capable of inhibiting the CAs upon a Lewis acid-base mechanism of action. The present manuscript reviews the state-of-the-art of boron-based CAIs. As research in the applications of boron compounds in medicinal chemistry continues, it is anticipated that new boron-based CAIs will soon expand the current array of such compounds. However, further research is imperative to fully unlock the potential of boron-based CAIs and to advance them towards clinical applications.
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Affiliation(s)
- Simone Giovannuzzi
- IBMM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Florence, Italy
| | - Anna Nikitjuka
- IBMM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; Latvian Institute of Organic Synthesis, Riga, Latvia
| | - Bruna Rafaela Pereira Resende
- IBMM, Univ Montpellier, CNRS, ENSCM, Montpellier, France; Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Florence, Italy
| | | | - Alessio Nocentini
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Florence, Italy.
| | - Claudiu T Supuran
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, University of Florence, Florence, Italy
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10
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Li Q, Yang Y, Wang Q, Han X, Zhu J, Zhang N, Wang Q, Li K, Gong P, Chen F. 11B NMR of the Morphological Evolution of Traditional Chinese Medicine Borax. Molecules 2024; 29:251. [PMID: 38202834 PMCID: PMC10780283 DOI: 10.3390/molecules29010251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/28/2023] [Accepted: 12/31/2023] [Indexed: 01/12/2024] Open
Abstract
This article applies nuclear magnetic resonance technology to the study of boron-containing traditional Chinese medicine, in order to explore the morphological evolution of boron elements in traditional Chinese medicine. Borax is a traditional Chinese medicine with anti-corrosion, anti-inflammatory, antibacterial, and anticonvulsant effects. It is made by boiling, removing stones, and drying borax minerals like borate salts. This article introduces an 11B nuclear magnetic resonance method for identifying and characterizing boron-containing compounds in TCM. We applied this technology to borax aqueous solutions in different chemical environments and found that with boron mixed in the form of SP2 hybridization in equilateral triangles and SP3 hybridization in equilateral tetrahedra, the pH changes in alkaline environments significantly affected the ratio of the two. At the same time, it was found that in addition to the raw material peak, boron signals of other boron-containing compounds were also detected in 20 commercially available boron-containing TCM preparations. These new boron-containing compounds may be true pharmaceutical active ingredients, and adding them directly to the formula can improve quality and safety. This article describes the detection of 11B NMR in boron-containing traditional Chinese medicine preparations. It is simple, non-destructive, and can provide chemical fingerprint studies for boron-containing traditional Chinese medicine.
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Affiliation(s)
- Qiulin Li
- Department of Chemistry and Chemical Engineering, Xi’an University of Science & Technology, Xi’an 710054, China; (Q.L.)
| | - Yawen Yang
- Department of Chemistry and Chemical Engineering, Xi’an University of Science & Technology, Xi’an 710054, China; (Q.L.)
| | - Qingfeng Wang
- Department of Chemistry and Chemical Engineering, Xi’an University of Science & Technology, Xi’an 710054, China; (Q.L.)
| | - Xiang Han
- Department of Chemistry and Chemical Engineering, Xi’an University of Science & Technology, Xi’an 710054, China; (Q.L.)
| | - Junfeng Zhu
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China
| | - Nan Zhang
- Department of Chemistry and Chemical Engineering, Xi’an University of Science & Technology, Xi’an 710054, China; (Q.L.)
| | - Qiuhong Wang
- Department of Safety Science and Engineering, Xi’an University of Science & Technology, Xi’an 710054, China
| | - Kanshe Li
- Department of Chemistry and Chemical Engineering, Xi’an University of Science & Technology, Xi’an 710054, China; (Q.L.)
| | - Pin Gong
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China
| | - Fuxin Chen
- Department of Chemistry and Chemical Engineering, Xi’an University of Science & Technology, Xi’an 710054, China; (Q.L.)
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Serafino A, Pierre H, Le Vaillant F, Boutet J, Guillamot G, Neuville L, Masson G. Visible-Light-Driven Decarboxylative Borylation: Rapid Access to α- and β-Amino-boronamides. Org Lett 2023; 25:9249-9254. [PMID: 38113295 DOI: 10.1021/acs.orglett.3c04067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
In this study, we described a two-step process involving an efficient visible-light-induced decarboxylative borylation of α- and β-amino redox-active esters with bis(catecholato)diboron, followed by transamination with 1,8-diaminonapthalene (DANH2). A series of boronamides were obtained in moderate to excellent yields in this one-pot procedure. The photochemical process proved to be very efficient even when conducted under flow conditions with shorter reaction durations and scalable synthesis of DAN boronates.
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Affiliation(s)
- Andrea Serafino
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
| | - Hugo Pierre
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
- Institut de Chimie des Substances Naturelles (ICSN), CNRS UPR 2301, Université Paris-Saclay, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Franck Le Vaillant
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
- Institut de Chimie des Substances Naturelles (ICSN), CNRS UPR 2301, Université Paris-Saclay, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Julien Boutet
- SEQENS SAS, 21 Chemin de la Sauvegarde, 21 Ecully Parc, 69130 Ecully, France
| | - Gérard Guillamot
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
| | - Luc Neuville
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
- Institut de Chimie des Substances Naturelles (ICSN), CNRS UPR 2301, Université Paris-Saclay, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Géraldine Masson
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
- Institut de Chimie des Substances Naturelles (ICSN), CNRS UPR 2301, Université Paris-Saclay, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
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Mehta NV, Abhyankar A, Degani MS. Elemental exchange: Bioisosteric replacement of phosphorus by boron in drug design. Eur J Med Chem 2023; 260:115761. [PMID: 37651875 DOI: 10.1016/j.ejmech.2023.115761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 07/12/2023] [Accepted: 08/23/2023] [Indexed: 09/02/2023]
Abstract
Continuous efforts are being directed toward the employment of boron in drug design due to its advantages and unique characteristics including a plethora of target engagement modes, lower metabolism, and synthetic accessibility, among others. Phosphates are components of multiple drug molecules as well as clinical candidates, since they play a vital role in various biochemical functions, being components of nucleotides, energy currency- ATP as well as several enzyme cofactors. This review discusses the unique chemistry of boron functionalities as phosphate bioisosteres - "the boron-phosphorus elemental exchange strategy" as well as the superiority of boron groups over other commonly employed phosphate bioisosteres. Boron phosphate-mimetics have been utilized for the development of enzyme inhibitors as well as novel borononucleotides. Both the boron functionalities described in this review-boronic acids and benzoxaboroles-contain a boron connected to two oxygens and one carbon atom. The boron atom of these functional groups coordinates with a water molecule in the enzyme site forming a tetrahedral molecule which mimics the phosphate structure. Although boron phosphate-mimetic molecules - FDA-approved Crisaborole and phase II/III clinical candidate Acoziborole are products of the boron-phosphorus bioisosteric elemental exchange strategy, this technique is still in its infancy. The review aims to promote the use of this strategy in future medicinal chemistry projects.
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Affiliation(s)
- Namrashee V Mehta
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019, Maharashtra, India.
| | - Arundhati Abhyankar
- Shri Vile Parle Kelavani Mandal's Dr Bhanuben Nanavati College of Pharmacy, Gate No.1, Mithibai College Campus, Vile Parle West, Mumbai, 400056, Maharashtra, India.
| | - Mariam S Degani
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019, Maharashtra, India.
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13
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Biţă CE, Scorei IR, Vreju AF, Muşetescu AE, Mogoşanu GD, Biţă A, Dinescu VC, Dinescu ŞC, Criveanu C, Bărbulescu AL, Florescu A, Ciurea PL. Microbiota-Accessible Boron-Containing Compounds in Complex Regional Pain Syndrome. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1965. [PMID: 38004014 PMCID: PMC10673453 DOI: 10.3390/medicina59111965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 10/20/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023]
Abstract
The microbiota-gut-brain axis has garnered increasing attention in recent years for its role in various health conditions, including neuroinflammatory disorders like complex regional pain syndrome (CRPS). CRPS is a debilitating condition characterized by chronic neuropathic pain, and its etiology and pathophysiology remain elusive. Emerging research suggests that alterations in the gut microbiota composition and function could play a significant role in CRPS development and progression. Our paper explores the implications of microbiota in CRPS and the potential therapeutic role of boron (B). Studies have demonstrated that individuals with CRPS often exhibit dysbiosis, with imbalances in beneficial and pathogenic gut bacteria. Dysbiosis can lead to increased gut permeability and systemic inflammation, contributing to the chronic pain experienced in CRPS. B, an essential trace element, has shown promise in modulating the gut microbiome positively and exerting anti-inflammatory effects. Recent preclinical and clinical studies suggest that B supplementation may alleviate neuropathic pain and improve CRPS symptoms by restoring microbiota balance and reducing inflammation. Our review highlights the complex interplay between microbiota, inflammation, and neuropathic pain in CRPS and underscores the potential of B as a novel therapeutic approach to target the microbiota-gut-brain axis, offering hope for improved management of this challenging condition.
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Affiliation(s)
- Cristina Elena Biţă
- Department of Rheumatology, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania; (C.E.B.); (A.F.V.); (A.E.M.); (Ş.C.D.); (C.C.); (A.L.B.); (A.F.); (P.L.C.)
| | - Ion Romulus Scorei
- Department of Biochemistry, BioBoron Research Institute, S.C. Natural Research S.R.L., 31B Dunării Street, 207465 Podari, Romania
| | - Ananu Florentin Vreju
- Department of Rheumatology, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania; (C.E.B.); (A.F.V.); (A.E.M.); (Ş.C.D.); (C.C.); (A.L.B.); (A.F.); (P.L.C.)
| | - Anca Emanuela Muşetescu
- Department of Rheumatology, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania; (C.E.B.); (A.F.V.); (A.E.M.); (Ş.C.D.); (C.C.); (A.L.B.); (A.F.); (P.L.C.)
| | - George Dan Mogoşanu
- Department of Pharmacognosy & Phytotherapy, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania; (G.D.M.); (A.B.)
| | - Andrei Biţă
- Department of Pharmacognosy & Phytotherapy, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania; (G.D.M.); (A.B.)
| | - Venera Cristina Dinescu
- Department of Health Promotion and Occupational Medicine, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania;
| | - Ştefan Cristian Dinescu
- Department of Rheumatology, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania; (C.E.B.); (A.F.V.); (A.E.M.); (Ş.C.D.); (C.C.); (A.L.B.); (A.F.); (P.L.C.)
| | - Cristina Criveanu
- Department of Rheumatology, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania; (C.E.B.); (A.F.V.); (A.E.M.); (Ş.C.D.); (C.C.); (A.L.B.); (A.F.); (P.L.C.)
| | - Andreea Lili Bărbulescu
- Department of Rheumatology, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania; (C.E.B.); (A.F.V.); (A.E.M.); (Ş.C.D.); (C.C.); (A.L.B.); (A.F.); (P.L.C.)
| | - Alesandra Florescu
- Department of Rheumatology, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania; (C.E.B.); (A.F.V.); (A.E.M.); (Ş.C.D.); (C.C.); (A.L.B.); (A.F.); (P.L.C.)
| | - Paulina Lucia Ciurea
- Department of Rheumatology, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania; (C.E.B.); (A.F.V.); (A.E.M.); (Ş.C.D.); (C.C.); (A.L.B.); (A.F.); (P.L.C.)
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Jing R, Powell WC, Fisch KJ, Walczak MA. Desulfurative Borylation of Small Molecules, Peptides, and Proteins. J Am Chem Soc 2023; 145:22354-22360. [PMID: 37812507 PMCID: PMC10594600 DOI: 10.1021/jacs.3c09081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
We introduce a direct conversion of alkyl thiols into boronic acids, facilitated by a water-soluble phosphine, 1,3,5-triaza-7-phosphaadamantane (PTA), in conjunction with tetrahydroxydiboron (B2(OH)4), acting as both a radical initiator and a boron source. This desulfurative borylation reaction has been successfully applied to various substrates, including cysteine residues in oligopeptides and small proteins, primary alkyl thiols found in pharmaceutical compounds, disulfides, and selenocysteine. Optimization of reaction conditions was undertaken to reduce the formation of unwanted reactions, such as the reduction of alanyl or other primary radicals, and to prevent deleterious reactions between the phosphine and N-terminal amine that lead to methylene adducts by utilizing a buffer containing glycine-glycine (GG) dipeptide. The developed method is characterized by its operational simplicity and robustness. Moreover, its compatibility with various functional groups present in peptides and proteins makes it a promising tool for late-stage functionalization, extending its potential application across a broad spectrum of chemical and biological targets.
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Affiliation(s)
- Ruiheng Jing
- Department of Chemistry, University of Colorado, Boulder, Colorado 80309, United States
| | - Wyatt C Powell
- Department of Chemistry, University of Colorado, Boulder, Colorado 80309, United States
| | - Kyle J Fisch
- Department of Chemistry, University of Colorado, Boulder, Colorado 80309, United States
| | - Maciej A Walczak
- Department of Chemistry, University of Colorado, Boulder, Colorado 80309, United States
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15
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Choy PY, Tse MH, Kwong FY. Recent Expedition in Pd- and Rh-Catalyzed C (Ar) -B Bond Formations and Their Applications in Modern Organic Syntheses. Chem Asian J 2023; 18:e202300649. [PMID: 37655883 DOI: 10.1002/asia.202300649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 09/02/2023]
Abstract
Transition metal-catalyzed borylation has emerged as a powerful and versatile strategy for synthesizing organoboron compounds. These compounds have found widespread applications in various aspects, including organic synthesis, materials science, and medicinal chemistry. This review provides a concise summary of the recent advances in palladium- and rhodium-catalyzed borylation from 2013 to 2023. The review covers the representative examples of catalysts, substrates scope and reaction conditions, with particular emphasis on the development of catalyst systems, such as phosphine ligands, NHC-carbene, and more. The diverse array of borylative products obtained for further applications in Suzuki-Miyaura coupling, and other transformations, are also discussed. Future directions in this rapidly evolving field, with the goal of designing more efficient, selective borylation methodologies are highlighted, too.
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Affiliation(s)
- Pui Ying Choy
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, P. R. China
- Shenzhen Center of Novel Functional Molecules, Shenzhen Municipal Key Laboratory of Chemical Synthesis of Medicinal Organic Molecules, CUHK Shenzhen Research Institute, No. 10. Second Yuexing Road, Shenzhen, 518507, P. R. China
| | - Man Ho Tse
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, P. R. China
| | - Fuk Yee Kwong
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, P. R. China
- Shenzhen Center of Novel Functional Molecules, Shenzhen Municipal Key Laboratory of Chemical Synthesis of Medicinal Organic Molecules, CUHK Shenzhen Research Institute, No. 10. Second Yuexing Road, Shenzhen, 518507, P. R. China
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16
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Kataria S, Roy S, Chaurasia M, Awasthi H, Fatima Z, Prasad R, Srivastava D. Crisaborole loaded nanoemulgel for the mitigation of atopic dermatitis in mice model. Drug Dev Ind Pharm 2023; 49:521-535. [PMID: 37551739 DOI: 10.1080/03639045.2023.2244075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 05/19/2023] [Accepted: 07/30/2023] [Indexed: 08/09/2023]
Abstract
OBJECTIVE The present work aims to formulate nanoemulgel of crisaborole (CB) and evaluate its effectiveness against 2,4-Di-nitrochlorobenzene induced (DNCB) atopic dermatitis (AD) in mice. SIGNIFICANCE AD is a chronic inflammation of the skin affecting the quality of life. CB is a topical PDE4 inhibitor marketed as a 2% ointment. It, however, possesses poor aqueous solubility. An o/w nanoemulsion shall exhibit an enhanced therapeutic effect owing to the increased solubility of CB and an augmented skin penetration. The addition of a gelling agent to form a nanoemulgel further provides ease of application to the patients. METHODS Nanoemulsion was prepared by aqueous titration method using caproyl PGMC, cremophore EL and propylene glycol as the oil, surfactant, and cosurfactant respectively. The formulations were characterized by their size, zeta potential and polydispersity index (PDI). 1% Carbopol 934 was used as the gelling agent to formulate nanoemulgel comprising of optimized nanoemulsion (NE 9). Ex vivo skin permeation of the CB nanoemulgel was compared with the CB ointment. Its therapeutic effect was evaluated in Balb/c mice. RESULTS NE 9 comprised of 7.49% oil, 37.45% Smix (1:3) and water 55.06%. Its particle size, PDI and zeta potential were 15.45 ± 5.265 nm, 0.098 and -17.9 ± 8.00 mV respectively. The nanoemulgel exhibited a 3-fold higher permeation flux as compared to the ointment. In vivo studies demonstrated that the nanoemulgel provided better therapeutic effect than the ointment. CONCLUSION We can thereby conclude that nanoemulgel formulation can be a successful drug delivery strategy for enhancing the therapeutic effect of CB.
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Affiliation(s)
- Shubham Kataria
- Amity Institute of Pharmacy, Amity University Uttar Pradesh, Noida, India
| | - Supriya Roy
- Amity Institute of Pharmacy, Amity University Uttar Pradesh, Noida, India
| | | | - Himani Awasthi
- Department of Pharmaceutical Sciences, Hygia Institute of Pharmaceutical Education and Research, Lucknow, India
| | - Zeeshan Fatima
- Amity Institute of Pharmacy, Amity University Uttar Pradesh, Noida, India
| | - Rammani Prasad
- Central Instrumentation Facility, Birla Institute of Technology, Mesra, Ranchi, India
| | - Dipti Srivastava
- Amity Institute of Pharmacy, Amity University Uttar Pradesh, Noida, India
- Department of Pharmaceutical Sciences, Hygia Institute of Pharmaceutical Education and Research, Lucknow, India
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Paties Montagner G, Dominici S, Piaggi S, Pompella A, Corti A. Redox Mechanisms Underlying the Cytostatic Effects of Boric Acid on Cancer Cells-An Issue Still Open. Antioxidants (Basel) 2023; 12:1302. [PMID: 37372032 DOI: 10.3390/antiox12061302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/05/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Boric acid (BA) is the dominant form of boron in plasma, playing a role in different physiological mechanisms such as cell replication. Toxic effects have been reported, both for high doses of boron and its deficiency. Contrasting results were, however, reported about the cytotoxicity of pharmacological BA concentrations on cancer cells. The aim of this review is to briefly summarize the main findings in the field ranging from the proposed mechanisms of BA uptake and actions to its effects on cancer cells.
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Affiliation(s)
- Giulia Paties Montagner
- Department of Translational Research NTMS, University of Pisa Medical School, 56126 Pisa, Italy
| | - Silvia Dominici
- Department of Translational Research NTMS, University of Pisa Medical School, 56126 Pisa, Italy
| | - Simona Piaggi
- Department of Translational Research NTMS, University of Pisa Medical School, 56126 Pisa, Italy
| | - Alfonso Pompella
- Department of Translational Research NTMS, University of Pisa Medical School, 56126 Pisa, Italy
| | - Alessandro Corti
- Department of Translational Research NTMS, University of Pisa Medical School, 56126 Pisa, Italy
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Abdou-Mohamed A, Aupic C, Fournet C, Parrain JL, Chouraqui G, Chuzel O. Stereoselective formation of boron-stereogenic organoboron derivatives. Chem Soc Rev 2023. [PMID: 37325998 DOI: 10.1039/d3cs00163f] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Four-coordinate organoboron derivatives present interesting chemical, physical, biological, electronical, and optical properties. Given the increasing demand for the synthesis of smart functional materials based on chiral organoboron compounds, the exploration of stereoselective synthesis of boron-stereogenic organo-derivatives is highly desirable. However, the stereoselective construction of organoboron compounds stereogenic at boron has been far less studied than other elements of the main group due to configurational stability concerns. Nowadays, these species are no longer elusive and configurationally stable compounds have been highlighted. The idea is to show the potential of the stereoselective building of the four-coordinate boron centre and encourage future endeavors and developments in the field.
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Affiliation(s)
| | - Clara Aupic
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
| | - Corentin Fournet
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
| | - Jean-Luc Parrain
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
| | - Gaëlle Chouraqui
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
| | - Olivier Chuzel
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.
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19
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Kisszékelyi P, Šebesta R. Enolates ambushed - asymmetric tandem conjugate addition and subsequent enolate trapping with conventional and less traditional electrophiles. Beilstein J Org Chem 2023; 19:593-634. [PMID: 37180457 PMCID: PMC10167861 DOI: 10.3762/bjoc.19.44] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/21/2023] [Indexed: 05/16/2023] Open
Abstract
Metal enolates are useful intermediates and building blocks indispensable in many organic synthetic transformations. Chiral metal enolates obtained by asymmetric conjugate additions of organometallic reagents are structurally complex intermediates that can be employed in many transformations. In this review, we describe this burgeoning field that is reaching maturity after more than 25 years of development. The effort of our group to broaden possibilities to engage metal enolates in reactions with new electrophiles is described. The material is divided according to the organometallic reagent employed in the conjugate addition step, and thus to the particular metal enolate formed. Short information on applications in total synthesis is also given.
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Affiliation(s)
- Péter Kisszékelyi
- Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia
| | - Radovan Šebesta
- Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia
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20
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Ri CC, Mf CR, D RV, T PC, F TC, Ir S, A AG, Ma SU. Boron-Containing Compounds for Prevention, Diagnosis, and Treatment of Human Metabolic Disorders. Biol Trace Elem Res 2023; 201:2222-2239. [PMID: 35771339 DOI: 10.1007/s12011-022-03346-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 06/24/2022] [Indexed: 11/02/2022]
Abstract
The application of natural and synthetic boron-containing compounds (BCC) in biomedical field is expanding. BCC have effects in the metabolism of living organisms. Some boron-enriched supplements are marketed as they exert effects in the bone and skeletal muscle; but also, BCC are being reported as acting on the enzymes and transporters of membrane suggesting they could modify the carbohydrate metabolism linked to some pathologies of high global burden, as an example is diabetes mellitus. Also, some recent findings are showing effects of BCC on lipid metabolism. In this review, information regarding the effects and interaction of these compounds was compiled, as well as the potential application for treating human metabolic disorders is suggested.
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Affiliation(s)
- Córdova-Chávez Ri
- Academia de Fisiología Y Sección de Estudios de Posgrado E Investigación, Escuela Superior de Medicina del Instituto Politécnico Nacional, Plan de San Luis Y Díaz Mirón S/N, 11340, Mexico City, Mexico
| | - Carrasco-Ruiz Mf
- Academia de Fisiología Y Sección de Estudios de Posgrado E Investigación, Escuela Superior de Medicina del Instituto Politécnico Nacional, Plan de San Luis Y Díaz Mirón S/N, 11340, Mexico City, Mexico
| | - Rodríguez-Vera D
- Academia de Fisiología Y Sección de Estudios de Posgrado E Investigación, Escuela Superior de Medicina del Instituto Politécnico Nacional, Plan de San Luis Y Díaz Mirón S/N, 11340, Mexico City, Mexico
| | - Pérez-Capistran T
- Academia de Fisiología Y Sección de Estudios de Posgrado E Investigación, Escuela Superior de Medicina del Instituto Politécnico Nacional, Plan de San Luis Y Díaz Mirón S/N, 11340, Mexico City, Mexico
| | - Tamay-Cach F
- Academia de Bioquímica Médica Y Sección de Estudios de Posgrado E Investigación, Escuela Superior de Medicina del Instituto Politécnico Nacional, Plan de San Luis Y Díaz Mirón S/N, 11340, Mexico City, Mexico
| | - Scorei Ir
- BioBoron Research Institute, Dunarii 31B Street, 207465, Podari, Romania
| | - Abad-García A
- Academia de Fisiología Y Sección de Estudios de Posgrado E Investigación, Escuela Superior de Medicina del Instituto Politécnico Nacional, Plan de San Luis Y Díaz Mirón S/N, 11340, Mexico City, Mexico.
| | - Soriano-Ursúa Ma
- Academia de Fisiología Y Sección de Estudios de Posgrado E Investigación, Escuela Superior de Medicina del Instituto Politécnico Nacional, Plan de San Luis Y Díaz Mirón S/N, 11340, Mexico City, Mexico.
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21
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Teng S, Ng EWH, Zhang Z, Soon CN, Xu H, Li R, Hirao H, Loh TP. Alkynone β-trifluoroborates: A new class of amine-specific biocompatible click reagents. SCIENCE ADVANCES 2023; 9:eadg4924. [PMID: 37126553 PMCID: PMC10132755 DOI: 10.1126/sciadv.adg4924] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Amine-targeting reactions that work under biocompatible conditions or in water are green processes that are extremely useful for the synthesis of functional materials and biotherapeutics. Unfortunately, despite the usefulness of this reaction, there are very few good amine-specific click methods reported thus far. Here, we report an amine-specific click reagent using alkynone β-trifluoroborates as the electrophiles. These boron-containing alkynyl reagents exhibit extremely high chemoselectivity toward amines even in the presence of thiols. The resulting oxaboracycle products are bench-stable, displaying the reactivities of both organoborates and enaminones. Intrinsic advantages of this methodology include benign reaction conditions, operational simplicity, remarkable product stability, and excellent chemoselectivity, which satisfy the criteria of click chemistry and demonstrate the high potential in bioconjugation. Hence, this water-based chemical approach is also applicable to the modification of native amino acids, peptides, and proteins. Ultimately, the essential role of water during the reaction was elucidated.
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Affiliation(s)
- Shenghan Teng
- 100 Lianhua Street, Zhongyuan District, Henan University of Technology, Zhengzhou 450001, China
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Elvis Wang Hei Ng
- Warshel Institute for Computational Biology, School of Life and Health Sciences, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, P. R. China
| | - Zhenguo Zhang
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Chee Ning Soon
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Hailun Xu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ruifang Li
- 100 Lianhua Street, Zhongyuan District, Henan University of Technology, Zhengzhou 450001, China
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Hajime Hirao
- Warshel Institute for Computational Biology, School of Life and Health Sciences, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, P. R. China
| | - Teck-Peng Loh
- 100 Lianhua Street, Zhongyuan District, Henan University of Technology, Zhengzhou 450001, China
- Division of Chemistry and Biological Chemistry, School of Chemistry Chemical Engineering, and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
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22
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Huang DC, He Z, Guo D, Deng F, Bian Q, Zhang H, Ali AS, Zhang MZ, Zhang WH, Gu YC. Discovery of Novel Benzoxaborole-Containing Streptochlorin Derivatives as Potential Antifungal Agents. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:6226-6235. [PMID: 37053087 DOI: 10.1021/acs.jafc.2c08053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Streptochlorin is a kind of indole alkaloid derived from marine microorganisms. It is a promising lead compound due to its potent bioactivity in preventing many phytopathogens, as shown in our previous study. To explore the potential applications of this natural product, a series of novel benzoxaborole-containing streptochlorin derivatives were designed and synthesized through a one-step and catalyst-free reaction in water at room temperature. All target compounds were first screened for their antifungal profiles in vitro against six common phytopathogenic fungi. The results of bioassay revealed that most of the designed compounds exhibited more significant antifungal activities against Botrytis cinrea, Gibberella zeae, Rhizoctorzia solani, Colletotrichum lagenarium, and alternaria leaf spot under the concentration of 50 μg/mL, and this is highlighted by compounds 4i and 5f, which demonstrated impressive antifungal effects against G. zeae and R. solani, with their corresponding EC50 values 0.2983 and 0.2657 μg/mL, which are obviously better than positive control flutriafol and boscalid (5.2606 and 1.2048 μg/mL, respectively). Scanning electron microscopy on the hyphae morphology showed that compound 5b might cause mycelial abnormalities of G. zeae. 3D-QSAR studies of CoMFA and CoMSIA were carried out on 29 target compounds with antifungal activity against B. cinrea. The analysis results indicated that introducing appropriate electronegative groups at the 5-position of benzoxaborole and the 4,5-positions of the indole ring could effectively improve the anti-B. cinrea activity. Moreover, compound 5b showed good antifungal activities in vivo against Phytophthora capsici. Molecular docking was further explored to ascertain the practical value of the active compound as a potential inhibitor of LeuRS. The abovementioned results indicate that the designed benzoxaborole-containing streptochlorin derivatives could be further studied as template molecules of novel antifungal agents.
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Affiliation(s)
- Dai-Chuan Huang
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhuo He
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Dale Guo
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Fang Deng
- State Key Laboratory Breeding Base of Systematic Research Development and Utilization of Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Qiang Bian
- National Pesticide Engineering Research Center (Tianjin), College of Chemistry, Nankai University, Tianjin 300071, China
| | - Haifeng Zhang
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, and Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing Agricultural University, Nanjing 210095, China
| | - Abdallah S Ali
- Department of Microbiology, Faculty of Agriculture, Cairo University, Giza 12613, Egypt
| | - Ming-Zhi Zhang
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Wei-Hua Zhang
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yu-Cheng Gu
- Syngenta, Jealott's Hill International Research Centre, Bracknell, Berkshire RG42 6EY, U.K
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23
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Allen MA, Volosheniuk M, Nicol EA, Schwan AL, Beauchemin AM. Cope-Type Hydroamination of Vinylboronates. Org Lett 2023; 25:3045-3048. [PMID: 37097727 DOI: 10.1021/acs.orglett.3c00857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
Aminoboronic acid derivatives can serve as versatile synthetic intermediates and pharmacophores but remain difficult to synthesize. Herein we report a synthesis of the β-aminoboronic acid motif via anti-Markovnikov hydroamination of vinylboronates. This reaction benefits from the activating effect of the boronate substituent and forms novel BON-containing heterocycles, oxazaborolidine zwitterions. A computational study is included to help determine the effects of alkene boron substitution. Derivatization reactions also support the synthetic utility of the oxazaborolidine adducts.
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Affiliation(s)
- Meredith A Allen
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Myroslava Volosheniuk
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Eric A Nicol
- Department of Chemistry, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Adrian L Schwan
- Department of Chemistry, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - André M Beauchemin
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, ON K1N 6N5, Canada
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24
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KILIC A, ALSHHAB A, OKUMUS V. Preparation and spectroscopic properties of bioactive 1, 2, 3-triazole-linked boronate esters for use in antioxidant, antimicrobial, and DNA binding studies. J Organomet Chem 2023. [DOI: 10.1016/j.jorganchem.2023.122707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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25
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Kondo N, Takada S, Hagimori M, Temma T. Development of a 2-(2-Hydroxyphenyl)-1 H-benzimidazole-Based Fluorescence Sensor Targeting Boronic Acids for Versatile Application in Boron Neutron Capture Therapy. Cancers (Basel) 2023; 15:cancers15061862. [PMID: 36980747 PMCID: PMC10046934 DOI: 10.3390/cancers15061862] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/06/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Boron neutron capture therapy (BNCT) is an attractive approach to treating cancers. Currently, only one 10B-labeled boronoagent (Borofalan, BPA) has been approved for clinical BNCT in Japan, and methods for predicting and measuring BNCT efficacy must be established to support the development of next-generation 10B-boronoagents. Fluorescence sensors targeting boronic acids can achieve this because the amount and localization of 10B in tumor tissues directly determine BNCT efficacy; however, current sensors are nonoptimal given their slow reaction rate and weak fluorescence (quantum yield < 0.1). Herein, we designed and synthesized a novel small molecular-weight fluorescence sensor, BITQ, targeting boronic acids. In vitro qualitative and quantitative properties of BITQ were assessed using a fluorophotometer and a fluorescence microscope together with BPA quantification in blood samples. BITQ exhibited significant quantitative and selective fluorescence after reacting with BPA (post-to-pre-fluorescence ratio = 5.6; quantum yield = 0.53); the fluorescence plateaued within 1 min after BPA mixing, enabling the visualization of intracellular BPA distribution. Furthermore, BITQ quantified the BPA concentration in mouse blood with reliability comparable with that of current methods. This study identifies BITQ as a versatile fluorescence sensor for analyzing boronic acid agents. BITQ will contribute to 10B-boronoagent development and promote research in BNCT.
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Affiliation(s)
- Naoya Kondo
- Department of Biofunctional Analysis, Graduate School of Pharmaceutical Sciences, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki 569-1094, Osaka, Japan
| | - Shinya Takada
- Department of Biofunctional Analysis, Graduate School of Pharmaceutical Sciences, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki 569-1094, Osaka, Japan
| | - Masayori Hagimori
- Laboratory of Analytical Chemistry, Faculty of Pharmaceutical Sciences, Mukogawa Women's University, 11-68 Koshien Kyubancho, Nishinomiya 663-8179, Hyogo, Japan
| | - Takashi Temma
- Department of Biofunctional Analysis, Graduate School of Pharmaceutical Sciences, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki 569-1094, Osaka, Japan
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26
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Abstract
Direct borylation of benzylic alcohols has been achieved via an iodine-catalyzed process. This transition-metal-free borylation transformation is compatible with various functional groups and provides a practical and convenient method to access important and useful benzylic boronate esters from widely available benzylic alcohols. Preliminary mechanistic investigations indicated that benzylic iodide and radicals are involved as the key intermediates in this borylation reaction.
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Affiliation(s)
- Chunyu Yin
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science & Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Lu Luo
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science & Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Hua Zhang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science & Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, China.,Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
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27
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Yuan S, Shen DD, Bai YR, Zhang M, Zhou T, Sun C, Zhou L, Wang SQ, Liu HM. Oxazolidinone: A promising scaffold for the development of antibacterial drugs. Eur J Med Chem 2023; 250:115239. [PMID: 36893700 DOI: 10.1016/j.ejmech.2023.115239] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/16/2023] [Accepted: 02/23/2023] [Indexed: 03/06/2023]
Abstract
Due to the long-term and widespread use of antibiotics in clinic, the problem of bacterial resistance is increasingly serious, and the development of new drugs to treat drug-resistant bacteria has gradually become the mainstream direction of antibiotic research. The oxazolidinone-containing drugs linezolid, tedizolid phosphate and contezolid have been approved to the market, which are effective against a variety of Gram-positive bacterium infections. Moreover, there are also many antibiotics containing oxazolidinone fragment under clinical investigation that show good pharmacokinetic and pharmacodynamic properties with unique mechanism of action against resistant bacteria. In this review, we summarized the oxazolidinone-based antibiotics already on the market or in clinical trials and the representative bioactive molecules, and mainly focused on their structural optimizations, development strategies and structure-activity relationships in hope of insight into the reasonable design for medical chemists to develop new oxazolidinone antibiotics with highly potency and fewer side effects.
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Affiliation(s)
- Shuo Yuan
- Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, China; School of Pharmaceutical Sciences & Key Laboratory of Advanced Drug Preparation Technologies, Zhengzhou University, Zhengzhou, 450001, China.
| | - Dan-Dan Shen
- Department of Obstetrics and Gynecology, Zhengzhou Key Laboratory of Endometrial Disease Prevention and Treatment Zhengzhou China, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Yi-Ru Bai
- Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, China; School of Pharmaceutical Sciences & Key Laboratory of Advanced Drug Preparation Technologies, Zhengzhou University, Zhengzhou, 450001, China
| | - Miao Zhang
- Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, China; School of Pharmaceutical Sciences & Key Laboratory of Advanced Drug Preparation Technologies, Zhengzhou University, Zhengzhou, 450001, China
| | - Tian Zhou
- Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, China; School of Pharmaceutical Sciences & Key Laboratory of Advanced Drug Preparation Technologies, Zhengzhou University, Zhengzhou, 450001, China
| | - Chong Sun
- Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, China; School of Pharmaceutical Sciences & Key Laboratory of Advanced Drug Preparation Technologies, Zhengzhou University, Zhengzhou, 450001, China
| | - Li Zhou
- Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, China
| | - Sai-Qi Wang
- The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Henan Engineering Research Center of Precision Therapy of Gastrointestinal Cancer, Zhengzhou Key Laboratory of Precision Therapy of Gastrointestinal Cancer, Zhengzhou, 450008, China.
| | - Hong-Min Liu
- School of Pharmaceutical Sciences & Key Laboratory of Advanced Drug Preparation Technologies, Zhengzhou University, Zhengzhou, 450001, China.
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28
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Yuan K, Ingleson MJ. Haloboration of o-Alkynyl Phenols Generates Halogenated Bicyclic-Boronates. Angew Chem Int Ed Engl 2023; 62:e202301463. [PMID: 36856077 DOI: 10.1002/anie.202301463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/02/2023]
Abstract
Benzoxaborinines are intermediates en-route to bicyclic boronates that are important active pharmaceutical ingredients (APIs). Herein, the haloboration of o-alkynyl-phenols using BX3 (X=Cl or Br) is disclosed as a route to form C4-X-benzoxaborinines with good functional group tolerance. Computational studies indicated that there are two similar in barrier mechanisms: (i) double alkyne haloboration followed by retro-haloboration; (ii) concerted trans-haloboration involving an exogenous chloride source. The C4-halide in these benzoxaborinines is useful, with a one-pot haloboration-Negishi cross coupling protocol effective to form benzoxaborinines with an alkyl or an aryl at C4. Therefore this method is a useful addition to the toolbox for synthesising bicyclic-boronates that are attracting increasing attention as APIs.
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Affiliation(s)
- Kang Yuan
- School of Chemistry, University of Edinburgh, Edinburgh, EH9 3FJ, UK
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29
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Luo L, Tang S, Wu J, Jin S, Zhang H. Transition Metal-Free Aromatic C-H, C-N, C-S and C-O Borylation. CHEM REC 2023; 23:e202300023. [PMID: 36850026 DOI: 10.1002/tcr.202300023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 02/10/2023] [Indexed: 03/01/2023]
Abstract
Aromatic organoboron compounds are highly valuable building blocks in organic chemistry. They were mainly synthesized through aromatic C-H and C-Het borylation, in which transition metal-catalysis dominate. In the past decade, with increasing attention to sustainable chemistry, numerous transition metal-free C-H and C-Het borylation transformations have been developed and emerged as efficient methods towards the synthesis of aromatic organoboron compounds. This account mainly focuses on recent advances in transition metal-free aromatic C-H, C-N, C-S, and C-O borylation transformations and provides insights to where further developments are required.
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Affiliation(s)
- Lu Luo
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science & Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan, 430074, China
| | - Shuai Tang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science & Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan, 430074, China
| | - Jiangyue Wu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science & Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan, 430074, China
| | - Shiwei Jin
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science & Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan, 430074, China
| | - Hua Zhang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science & Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central Minzu University, Wuhan, 430074, China.,Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, China
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30
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Effects of Boron-Containing Compounds on Liposoluble Hormone Functions. INORGANICS 2023. [DOI: 10.3390/inorganics11020084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
Abstract
Boron-containing compounds (BCC), particularly boronic acids and derivatives, are being increasingly tested as diagnostic and therapeutic agents. Some effects of BCC involve phenomena linked to the action of steroid or thyroid hormones; among these, are the effects on muscle mass or basal metabolism. Additionally, some toxicology reports on mammals, including humans, sound an alert concerning damage to several systems, among which are the negative effects on the induction of male infertility. Systemic and local mechanisms to explain changes in metabolism and impaired fertility were collected and presented. Then, we presented the putative pharmacodynamic and pharmacokinetic mechanisms involved and demonstrated in these events. In addition, it is proposed that there are adducts of some oxygenated BCC with cis-diols in fructose, an essential source of energy for sperm–cell motility, an uncoupling of sex hormone-binding globulin (SHBG) and its ligands, and the modulation of the DNA synthetic rate. These effects share the reactivity of boron-containing compounds on the cis-diols of key molecules. Moreover, data reporting no DNA damage after BCC administration are included. Further studies are required to support the clear role of BCC through these events to disrupt metabolism or fertility in mammals. If such phenomena are confirmed and elucidated, an advance could be useful to design strategies for avoiding BCC toxicity after BCC administration, and possibly for designing metabolism regulators and contraceptive drugs, among other purposes. Boronic derivatives and carboranes have been proposed and studied in this field.
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31
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Dearomative triple elementalization of quinolines driven by visible light. Nat Commun 2023; 14:652. [PMID: 36746969 PMCID: PMC9902486 DOI: 10.1038/s41467-023-36161-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 01/19/2023] [Indexed: 02/08/2023] Open
Abstract
Organoboron and organosilicon compounds are used not only as synthetic building blocks but also as functional materials and pharmaceuticals, and compounds with multiple boryl and silyl groups are beginning to be used for these purposes. Especially in drug discovery, methodology providing easy stereoselective access to aliphatic nitrogen heterocycles bearing multiple boryl or silyl groups from readily available aromatic nitrogen heterocycles would be attractive. However, such transformations remain challenging, and available reactions have been mostly limited to dearomative hydroboration or hydrosilylation reactions. Here, we report the dearomative triple elementalization (carbo-sila-boration) of quinolines via the addition of organolithium followed by photo-boosted silaboration, affording the desired products with complete chemo-, regio-, and stereoselectivity. The reaction proceeds via the formation of silyl radicals instead of silyl anions. We also present preliminary studies to illustrate the potential of silaboration products as synthetic platforms.
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32
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Thai-Savard L, Sayes M, Perreault-Dufour J, Hong G, Wells LA, Kozlowski MC, Charette AB. Organocatalyzed Visible Light-Mediated gem-Borosilylcyclopropanation. J Org Chem 2023; 88:1515-1521. [PMID: 36655845 PMCID: PMC10106276 DOI: 10.1021/acs.joc.2c02535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The borosilylcyclopropanation of styrene derivatives using a (diiodo(trimethylsilyl)methyl)boronic ester carbene precursor is reported herein. The key reagent was synthesized in a 4-step sequence using inexpensive and commercially available starting materials. This method enabled the preparation of novel 1,1,2-tri- and 1,1,2,2-tetrasubstituted borosilylcyclopropanes up to excellent yields and diastereoselectivity. The reaction is organocatalyzed by eosin Y in the presence of visible light. A mechanism consistent with the experimental observations was postulated based on density functional theory calculations. The versatility of these entities was highlighted through post-functionalization reactions.
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Affiliation(s)
- Léa Thai-Savard
- Centre in Green Chemistry and Catalysis, Centre for Continuous Flow Synthesis, Department of Chemistry, Université de Montréal, 1375, av. Thérèse Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
| | - Morgane Sayes
- Centre in Green Chemistry and Catalysis, Centre for Continuous Flow Synthesis, Department of Chemistry, Université de Montréal, 1375, av. Thérèse Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
| | - Josiane Perreault-Dufour
- Centre in Green Chemistry and Catalysis, Centre for Continuous Flow Synthesis, Department of Chemistry, Université de Montréal, 1375, av. Thérèse Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
| | - Gang Hong
- Centre in Green Chemistry and Catalysis, Centre for Continuous Flow Synthesis, Department of Chemistry, Université de Montréal, 1375, av. Thérèse Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
| | - Lucille A. Wells
- Roy and Diana Vagelos Laboratories, Penn/Merck Laboratory for High-Throughput Experimentation, Department of Chemistry, University of Pennsylvania, Philadelphia, PA, USA
| | - Marisa C. Kozlowski
- Roy and Diana Vagelos Laboratories, Penn/Merck Laboratory for High-Throughput Experimentation, Department of Chemistry, University of Pennsylvania, Philadelphia, PA, USA
| | - André B. Charette
- Centre in Green Chemistry and Catalysis, Centre for Continuous Flow Synthesis, Department of Chemistry, Université de Montréal, 1375, av. Thérèse Lavoie-Roux, Montréal, Québec H2V 0B3, Canada
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33
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Design, Synthesis and Antimicrobial Evaluation of New N-(1-Hydroxy-1,3-dihydrobenzo[ c][1,2]oxaborol-6-yl)(hetero)aryl-2-carboxamides as Potential Inhibitors of Mycobacterial Leucyl-tRNA Synthetase. Int J Mol Sci 2023; 24:ijms24032951. [PMID: 36769275 PMCID: PMC9917560 DOI: 10.3390/ijms24032951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
Tuberculosis remains a serious killer among infectious diseases due to its incidence, mortality, and occurrence of resistant mycobacterial strains. The challenge to discover new antimycobacterial agents forced us to prepare a series of N-(1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-6-yl)(hetero)aryl-2-carboxamides 1-19 via the acylation of 6-aminobenzo[c][1,2]oxaborol-1(3H)-ol with various activated (hetero)arylcarboxylic acids. These novel compounds have been tested in vitro against a panel of clinically important fungi and bacteria, including mycobacteria. Some of the compounds inhibited the growth of mycobacteria in the range of micromolar concentrations and retained this activity also against multidrug-resistant clinical isolates. Half the maximal inhibitory concentrations against the HepG2 cell line indicated an acceptable toxicological profile. No growth inhibition of other bacteria and fungi demonstrated selectivity of the compounds against mycobacteria. The structure-activity relationships have been derived and supported with a molecular docking study, which confirmed a selectivity toward the potential target leucyl-tRNA synthetase without an impact on the human enzyme. The presented compounds can become important materials in antimycobacterial research.
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34
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Synthesis of Novel Multifunctional bora-Ibuprofen Derivatives. INORGANICS 2023. [DOI: 10.3390/inorganics11020070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
A unique class of β-boron-functionalized non-steroidal anti-inflammatory compound (pinB-NSAID) was previously synthesized via copper-catalyzed 1,2-difunctionalization of the respective vinyl arene with CO2 and B2pin2 reagents. Here, pinacolylboron-functionalized ibuprofen (pinB-ibuprofen) was used as a model substrate to develop the conditions for pinacol deprotection and subsequent boron functionalization. Initial pinacol-boronic ester deprotection was achieved by transesterification with diethanolamine (DEA) from the boralactonate organic salt. The resulting DEA boronate adopts a spirocyclic boralactonate structure rather than a diazaborocane–DABO boronate structure. The subsequent acid-mediated hydrolysis of DEA and transesterification/transamination provided a diverse scope of new boron-containing ibuprofen derivatives.
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35
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Stimuli-Responsive Boron-Based Materials in Drug Delivery. Int J Mol Sci 2023; 24:ijms24032757. [PMID: 36769081 PMCID: PMC9917063 DOI: 10.3390/ijms24032757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/26/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023] Open
Abstract
Drug delivery systems, which use components at the nanoscale level as diagnostic tools or to release therapeutic drugs to particular target areas in a regulated manner, are a fast-evolving field of science. The active pharmaceutical substance can be released via the drug delivery system to produce the desired therapeutic effect. The poor bioavailability and irregular plasma drug levels of conventional drug delivery systems (tablets, capsules, syrups, etc.) prevent them from achieving sustained delivery. The entire therapy process may be ineffective without a reliable delivery system. To achieve optimal safety and effectiveness, the drug must also be administered at a precision-controlled rate and the targeted spot. The issues with traditional drug delivery are overcome by the development of stimuli-responsive controlled drug release. Over the past decades, regulated drug delivery has evolved considerably, progressing from large- and nanoscale to smart-controlled drug delivery for several diseases. The current review provides an updated overview of recent developments in the field of stimuli-responsive boron-based materials in drug delivery for various diseases. Boron-containing compounds such as boron nitride, boronic acid, and boron dipyrromethene have been developed as a moving field of research in drug delivery. Due to their ability to achieve precise control over drug release through the response to particular stimuli (pH, light, glutathione, glucose or temperature), stimuli-responsive nanoscale drug delivery systems are attracting a lot of attention. The potential of developing their capabilities to a wide range of nanoscale systems, such as nanoparticles, nanosheets/nanospheres, nanotubes, nanocarriers, microneedles, nanocapsules, hydrogel, nanoassembly, etc., is also addressed and examined. This review also provides overall design principles to include stimuli-responsive boron nanomaterial-based drug delivery systems, which might inspire new concepts and applications.
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Guo ZH, Khattak S, Rauf MA, Ansari MA, Alomary MN, Razak S, Yang CY, Wu DD, Ji XY. Role of Nanomedicine-Based Therapeutics in the Treatment of CNS Disorders. Molecules 2023; 28:molecules28031283. [PMID: 36770950 PMCID: PMC9921752 DOI: 10.3390/molecules28031283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/13/2022] [Accepted: 12/20/2022] [Indexed: 01/31/2023] Open
Abstract
Central nervous system disorders, especially neurodegenerative diseases, are a public health priority and demand a strong scientific response. Various therapy procedures have been used in the past, but their therapeutic value has been insufficient. The blood-brain barrier (BBB) and the blood-cerebrospinal fluid barrier is two of the barriers that protect the central nervous system (CNS), but are the main barriers to medicine delivery into the CNS for treating CNS disorders, such as brain tumors, Parkinson's disease, Alzheimer's disease, and Huntington's disease. Nanotechnology-based medicinal approaches deliver valuable cargos targeting molecular and cellular processes with greater safety, efficacy, and specificity than traditional approaches. CNS diseases include a wide range of brain ailments connected to short- and long-term disability. They affect millions of people worldwide and are anticipated to become more common in the coming years. Nanotechnology-based brain therapy could solve the BBB problem. This review analyzes nanomedicine's role in medication delivery; immunotherapy, chemotherapy, and gene therapy are combined with nanomedicines to treat CNS disorders. We also evaluated nanotechnology-based approaches for CNS disease amelioration, with the intention of stimulating the immune system by delivering medications across the BBB.
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Affiliation(s)
- Zi-Hua Guo
- Department of Neurology, Kaifeng Hospital of Traditional Chinese Medicine, No. 54 East Caizhengting St., Kaifeng 475000, China
| | - Saadullah Khattak
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Mohd Ahmar Rauf
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
- Henan-Macquarie University Joint Centre for Biomedical Innovation, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Mohammad Azam Ansari
- Department of Epidemic Disease Research, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Mohammad N. Alomary
- National Centre for Biotechnology, King Abdulaziz City for Science and Technology (KACST), P.O. Box 6086, Riyadh 11442, Saudi Arabia
| | - Sufyan Razak
- Dow Medical College, John Hopkins Medical Center, School of Medicine, Baltimore, MD 21205, USA
| | - Chang-Yong Yang
- School of Nursing and Health, Henan University, Kaifeng 475004, China
- Correspondence: (C.-Y.Y.); (D.-D.W.); (X.-Y.J.); Tel.: +86-371-23885066 (C.-Y.Y.); +86-371-23880525 (D.-D.W.); +86-371-23880585 (X.-Y.J.)
| | - Dong-Dong Wu
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
- School of Stomatology, Henan University, Kaifeng 475004, China
- Correspondence: (C.-Y.Y.); (D.-D.W.); (X.-Y.J.); Tel.: +86-371-23885066 (C.-Y.Y.); +86-371-23880525 (D.-D.W.); +86-371-23880585 (X.-Y.J.)
| | - Xin-Ying Ji
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
- Correspondence: (C.-Y.Y.); (D.-D.W.); (X.-Y.J.); Tel.: +86-371-23885066 (C.-Y.Y.); +86-371-23880525 (D.-D.W.); +86-371-23880585 (X.-Y.J.)
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Şahin Y, Çoban EP, Aygün M, Sevinçek R, Özgener H, Bıyık HH, Metin K, Gürbüz B. Synthesis and antifungal and antibacterial bioactivities of diborolanes containing arylamines. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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38
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Synthesis and Antimicrobial Activities of Boron-Containing Isoniazid Derivatives. CHEMISTRY AFRICA 2022. [DOI: 10.1007/s42250-022-00562-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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39
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Ren J, Gao Y, Shi W, Xu S, Wang Q, Zhao D, Kong L, Song W, Wang X, Zhang Y, He X, Wang Y, Tong S, Lu P, Li Y, Xu H, Zhang Y. Design and synthesis of boron-containing ALK inhibitor with favorable in vivo efficacy. Bioorg Med Chem 2022; 75:117071. [PMID: 36332597 DOI: 10.1016/j.bmc.2022.117071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/12/2022] [Accepted: 10/17/2022] [Indexed: 11/22/2022]
Abstract
ALK is an attractive therapeutic target for the treatment of non-small cell lung cancer. As an emerging element in medicinal chemistry, boron has achieved great success in the discovery of antitumor drugs and antibacterial agents. Through construction of a BCC (boron-containing compound) compound library and broad kinase screening, we found the ALK inhibitor hit compound 10a. Structural optimization by CADD and isosterism revealed that lead compound 10k has improved activity (ALKL1196M IC50 = 8.4 nM, NCI-H2228 cells IC50 = 520 nM) and better in vitro metabolic stability (human liver microsomes, T1/2 = 238 min). Compound 10k showed good in vivo efficacy in a nude mouse NCI-H2228 lung cancer xenograft model with a TGI of 52 %. Molecular simulation analysis results show that the hydroxyl group on the oxaborole forms a key hydrogen bond with Asn1254 or Asp1270, and this binding site provides a new idea for drug design. This is the first publicly reported lead compound for a boron-containing ALK inhibitor.
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Affiliation(s)
- Jing Ren
- State Key Laboratory of Pharmaceutical Biotechnology, Institute of Functional Biomolecules, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Life Sciences, Nanjing University, Nanjing 210023, China; Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Yong Gao
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Wei Shi
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Sheng Xu
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Qinglin Wang
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Damin Zhao
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Lingming Kong
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Wei Song
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Xiaojin Wang
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Ying Zhang
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Xiangyi He
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Yan Wang
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Shunyu Tong
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Peng Lu
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Yang Li
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China
| | - Hongjiang Xu
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China.
| | - Yinsheng Zhang
- Pharmaceutical R&D Institute, Chia Tai Tianqing Pharmaceutical Group Co., Ltd, 1099 Fuying Road, Jiangning District, Nanjing, Jiangsu Province, China.
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Jayarajan R, Kireilis T, Eriksson L, Szabó KJ. Asymmetric Organocatalytic Homologation: Access to Diverse Chiral Trifluoromethyl Organoboron Species. Chemistry 2022; 28:e202202059. [PMID: 35980871 DOI: 10.1002/chem.202202059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Indexed: 01/07/2023]
Abstract
A broad range of aliphatic, aromatic, and heterocyclic boronic acids were successfully homologated using trifluorodiazoethane in the presence of BINOL derivatives to provide the corresponding chiral trifluoromethyl containing boronic acid derivatives in high yields and excellent enantioselectivity. The in situ conversion of the chiral transient boronic acids to the corresponding alcohols or β-CF3 carboxylates are also demonstrated.
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Affiliation(s)
- Ramasamy Jayarajan
- Department of Organic Chemistry, Stockholm University, SE-106 91, Stockholm, Sweden
| | - Tautvydas Kireilis
- Department of Organic Chemistry, Stockholm University, SE-106 91, Stockholm, Sweden
| | - Lars Eriksson
- Department of Materials and Environmental Chemistry, Stockholm University, SE106 91, Stockholm, Sweden
| | - Kálmán J Szabó
- Department of Organic Chemistry, Stockholm University, SE-106 91, Stockholm, Sweden
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Kondo N, Aoki E, Takada S, Temma T. A Red-Emitting Fluorescence Sensor for Detecting Boronic Acid-Containing Agents in Cells. SENSORS (BASEL, SWITZERLAND) 2022; 22:7671. [PMID: 36236770 PMCID: PMC9573690 DOI: 10.3390/s22197671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/07/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
The amount and localization of boron-10 atoms delivered into tumor cells determines the therapeutic effect of boron neutron capture therapy (BNCT) and, consequently, efforts have been directed to develop fluorescence sensors to detect intracellular boronic acid compounds. Currently, these sensors are blue-emitting and hence are impracticable for co-staining with nucleus staining reagents, such as DAPI and Hoechst 33342. Here, we designed and synthesized a novel fluorescence boron sensor, BS-631, that emits fluorescence with a maximum emission wavelength of 631 nm after reaction with the clinically available boronic acid agent, 4-borono-l-phenylalanine (BPA). BS-631 quantitatively detected BPA with sufficiently high sensitivity (detection limit = 19.6 µM) for evaluating BNCT agents. Furthermore, BS-631 did not emit fluorescence after incubation with metal cations. Notably, red-emitting BS-631 could easily and clearly visualize the localization of BPA within cells with nuclei co-stained using Hoechst 33342. This study highlights the promising properties of BS-631 as a versatile boron sensor for evaluating and analyzing boronic acid agents in cancer therapy.
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Deng L, Mo J, Zhang Y, Peng K, Li H, Ouyang S, Feng Z, Fang W, Wei J, Rong D, Zhang X, Wang Y. Boronic Acid: A Novel Pharmacophore Targeting Src Homology 2 (SH2) Domain of STAT3. J Med Chem 2022; 65:13094-13111. [PMID: 36170649 DOI: 10.1021/acs.jmedchem.2c00940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
SH2 domains have been recognized as promising targets for various human diseases. However, targeting SH2 domains with phosphopeptides or small-molecule inhibitors derived from bioisosteres of the phosphate group is still challenging. Identifying novel bioisosteres of the phosphate group to achieve favorable in vivo potency is urgently needed. Here, we report the feasibility of targeting the STAT3-SH2 domain with a boronic acid group and the identification of a highly potent inhibitor compound 7 by replacing the carboxylic acid of compound 4 with a boronic acid. Compound 7 shows higher binding affinity, better cellular potency, more favorable PK profiles, and higher in vivo antitumor activity than 4. The stronger anticancer effect of 7 partially stems from its covalent binding mode with the SH2 domain, verified by the washout experiments. The relatively high level of sequence conservation among SH2 domains makes the results presented here of general significance.
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Affiliation(s)
- Lin Deng
- Balance-Based Drug Discovery Laboratory (BBDDL), School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Jianshan Mo
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Yi Zhang
- Balance-Based Drug Discovery Laboratory (BBDDL), School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Keren Peng
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Huaxuan Li
- Balance-Based Drug Discovery Laboratory (BBDDL), School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Shumin Ouyang
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Zongbo Feng
- Balance-Based Drug Discovery Laboratory (BBDDL), School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Wei Fang
- Balance-Based Drug Discovery Laboratory (BBDDL), School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Jianwei Wei
- Balance-Based Drug Discovery Laboratory (BBDDL), School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Deqin Rong
- Balance-Based Drug Discovery Laboratory (BBDDL), School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Xiaolei Zhang
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
| | - Yuanxiang Wang
- Balance-Based Drug Discovery Laboratory (BBDDL), School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China.,National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China
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KILIC A, Emin KARATAS M, BEYAZSAKAL L, OKUMUS V. Preparation and spectral studies of boronate ester modified magnetite iron nanoparticles (Fe3O4@APTES-B) as a new type of biological agents. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Omeroglu Ulu Z, Bolat ZB, Sahin F. Integrated transcriptome and in vitro analysis revealed anti-proliferative effect of sodium perborate on hepatocellular carcinoma cells. J Trace Elem Med Biol 2022; 73:127011. [PMID: 35716648 DOI: 10.1016/j.jtemb.2022.127011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 04/20/2022] [Accepted: 05/27/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND Hepatocelular carcinoma is one of the leading cancer types with no effective cure as poor prognosis is still a challenging aspect. Thus, alternative therapeutics are necessary to control hepatocelular carcinoma. Boron derivatives such as boric acid (BA), sodium perborate tetrahydrate (SPT) and sodium pentaborate pentahydrate (NaB) have been discovered to have anti-cancer effect. This study investigated the anti-proliferative effects of SPT against hepatocelular carcinoma (HCC) using in vitro and transcriptome approaches. METHODS Cytotoxic level of SPT on cell survival were detected using MTS assay. The apoptotic cell death and cell cycle arrest was determined using Annexin V/PI and cell cycle assay, respectively. Transcriptome analysis was performed using RNA-seq, followed by functional and KEGG pathway enrichment analysis. qPCR was used to validate the different genes. RESULTS SPT treated HepG2 and Hep3B cells induced cytotoxicity having IC50 values of 1.13 mM and 0.91 mM, respectively. SPT caused mitotic arrest in G0/G1 phase at 48 h and subsequent apoptotic cell death. RNA-seq revealed a total number of 822 and 1075 differentially expressed genes (DEGs) which after SPT treatment in HepG2 and Hep3B cells, respectively. Functional and KEGG pathway enrichment results suggested that there are several genes involved to induce apoptosis related pathways. The DEGs in p53 signaling pathway may have closely relationships to the cells apoptosis caused by SPT treatment. qPCR results validated dynamic changes in p53 signaling pathway, DNA replication and cell cycle related genes, such as CDKN1A, SERPINE1, PMAIP1, MCM3, MCM5 and MCM6. CONCLUSION In vitro experiments and RNA-seq analysis show anti-proliferative and apoptotic effect of SPT in HCC cells. Further studies might help in understanding the molecular mechanisms of SPT.
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Affiliation(s)
- Zehra Omeroglu Ulu
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Kayisdagi Cad., Atasehir, Istanbul 34755, Turkey
| | - Zeynep Busra Bolat
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Kayisdagi Cad., Atasehir, Istanbul 34755, Turkey; Department of Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, Istanbul Sabahattin Zaim University, Halkali Cad. 281, Kucukcekmece, Istanbul 34303, Turkey
| | - Fikrettin Sahin
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Kayisdagi Cad., Atasehir, Istanbul 34755, Turkey.
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Kaithal A, Wagener T, Bellotti P, Daniliuc CG, Schlichter L, Glorius F. Access to Unexplored 3D Chemical Space:
cis
‐Selective Arene Hydrogenation for the Synthesis of Saturated Cyclic Boronic Acids. Angew Chem Int Ed Engl 2022; 61:e202206687. [PMID: 35612895 PMCID: PMC9400866 DOI: 10.1002/anie.202206687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Indexed: 11/08/2022]
Abstract
A new class of saturated boron‐incorporated cyclic molecules has been synthesized employing an arene‐hydrogenation methodology. cis‐Selective hydrogenation of easily accessible, and biologically important molecules comprising benzoxaborole, benzoxaborinin, and benzoxaboripin derivatives is reported. Among the various catalysts tested, rhodium cyclic(alkyl)(amino)carbene [Rh‐CAAC] (1) pre‐catalyst revealed the best hydrogenation activity confirming turnover number up to 1400 with good to high diastereoselectivity. A broad range of functional groups was tolerated including sensitive substituents such as −F, −CF3, and −silyl groups. The utility of the synthesized products was demonstrated by the recognition of diols and sugars under physiological conditions. These motifs can have a substantial importance in medicinal chemistry as they possess a three‐dimensional structure, are highly stable, soluble in water, form hydrogen bonds, and interact with diols and sugars.
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Affiliation(s)
- Akash Kaithal
- Westfälische Wilhelms-Universität Münster Organisch-Chemisches Institut Corrensstraße 40 48149 Münster Germany
| | - Tobias Wagener
- Westfälische Wilhelms-Universität Münster Organisch-Chemisches Institut Corrensstraße 40 48149 Münster Germany
| | - Peter Bellotti
- Westfälische Wilhelms-Universität Münster Organisch-Chemisches Institut Corrensstraße 40 48149 Münster Germany
| | - Constantin G. Daniliuc
- Westfälische Wilhelms-Universität Münster Organisch-Chemisches Institut Corrensstraße 40 48149 Münster Germany
| | - Lisa Schlichter
- Westfälische Wilhelms-Universität Münster Westfälische Center for Soft Nanoscience (SoN) and Organisch-Chemisches Institut Busso-Peus-Str.10 48149 Münster Germany
| | - Frank Glorius
- Westfälische Wilhelms-Universität Münster Organisch-Chemisches Institut Corrensstraße 40 48149 Münster Germany
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Liu X, Shen Y, Lu C, Jian Y, Xia S, Gao Z, Zheng Y, An Y, Wang Y. Visible-light-driven PhSSPh-catalysed regioselective hydroborylation of α,β-unsaturated carbonyl compounds with NHC-boranes. Chem Commun (Camb) 2022; 58:8380-8383. [PMID: 35792097 DOI: 10.1039/d2cc02846h] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A photo-induced transition-metal-free regioselective hydroborylation of α,β-unsaturated carbonyl compounds is developed. The PhSSPh reagent was employed as the photocatalyst, and NHC-BH3 was used as the boron source. This transformation shows a broad substrate scope and provides a wide range of α-borylcarbonyl molecules in good to excellent yields.
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Affiliation(s)
- Xinghua Liu
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P. R. China.
| | - Yujing Shen
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P. R. China.
| | - Cheng Lu
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P. R. China.
| | - Yongchan Jian
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P. R. China.
| | - Shuangshuang Xia
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P. R. China.
| | - Zhaoliang Gao
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P. R. China.
| | - Yihan Zheng
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P. R. China.
| | - Yuanyuan An
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P. R. China.
| | - Yubin Wang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, P. R. China.
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Synthesis and Theoretical Studies of Aromatic Azaborines. ORGANICS 2022. [DOI: 10.3390/org3030016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Organoboron compounds are well known for their use as synthetic building blocks in several significant reactions, e.g., palladium-catalyzed Suzuki-Miyaura cross-coupling. As an element, boron is fascinating; as part of a molecule it structurally resembles a three-valent atom, but if there is a lone pair of electrons nearby, the boron atom’s empty p-orbital may capture the lone pair and form a covalent bond. This is the main aspect that is challenging chemistry during the synthesis of boron containing molecules and may lead into unexpected reactions and products. To study this, we synthesized and studied novel aromatic azaborines for better understanding of their structures and reactions. Here, we report a one-pot method for the synthesis of substituted aromatic azaborines and computational studies of their structure to explain their observed chemical properties.
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Farfán-García ED, Rosales-Hernández MC, Castillo-García EL, Abad-García A, Ruiz-Maciel O, Velasco-Silveyra LM, González-Muñiz AY, Andrade-Jorge E, Soriano-Ursúa MA. Identification and evaluation of boronic compounds ameliorating cognitive deficit in orchiectomized rats. J Trace Elem Med Biol 2022; 72:126979. [PMID: 35364473 DOI: 10.1016/j.jtemb.2022.126979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 03/15/2022] [Accepted: 03/22/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND Boron is a trace element with increasing importance in drug design. In this sense, boronic acids are emerging as therapeutic agents for several diseases. METHODS Herein, 3- and 4- acetamidophenylboronic acids and 4-acetamidophenylboronic acid pinacol ester were identified as potential inhibitors of acetylcholinesterase through docking assays on eel, rat, and human acetylcholinesterases indicating binding on the gorge region of the target enzymes. Then, these compounds were evaluated in vitro and in vivo. RESULTS It was found these compounds showed ability to inhibit acetylcholinesterase as competitive and non-competitive inhibitors. But also, these compounds were non-toxic to PC12 cells at micromolar concentration, and they have the ability to protect those cells against damage by amyloid-beta. CONCLUSIONS Noticeably, intraperitoneal administration of these boronic compounds to rats with the cognitive deficit induced by orchiectomy provided ameliorative effects on disrupted behavior and neuronal damage induced by hormonal deprivation. Additional approaches are required to evaluate the possibility of multiple mechanisms of action for the observed effects in the central nervous system.
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Affiliation(s)
- Eunice D Farfán-García
- Academia de Fisiología y Sección de Estudios de Posgrado e Investigación. Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, 11340 México City, México.
| | - Martha C Rosales-Hernández
- Laboratorio de Biofísica y Biocatálisis. Sección de Estudios de Posgrado e Investigación. Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, 11340 México City, México
| | - Emily L Castillo-García
- Academia de Fisiología y Sección de Estudios de Posgrado e Investigación. Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, 11340 México City, México
| | - Antonio Abad-García
- Academia de Fisiología y Sección de Estudios de Posgrado e Investigación. Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, 11340 México City, México
| | - Omar Ruiz-Maciel
- Departamento de Bioquímica y Sección de Estudios de Posgrado e Investigación. Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, 11340 México City, México
| | - Luz M Velasco-Silveyra
- Academia de Fisiología y Sección de Estudios de Posgrado e Investigación. Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, 11340 México City, México
| | - Alejandra Y González-Muñiz
- Laboratorio de Biofísica y Biocatálisis. Sección de Estudios de Posgrado e Investigación. Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, 11340 México City, México
| | - Erik Andrade-Jorge
- Departamento de Bioquímica y Sección de Estudios de Posgrado e Investigación. Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, 11340 México City, México
| | - Marvin A Soriano-Ursúa
- Academia de Fisiología y Sección de Estudios de Posgrado e Investigación. Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, 11340 México City, México.
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49
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Abstract
Recent synthetic achievements have led to 4,4-disubstituted-4-bora-3a,4a-diaza-s-indacenes (BODIPYs) with varying substituents at the meso, pyrrolic and/or boron sites, with each influencing photophysical properties and utility. This Feature article gives an overview of chemistry at the boron atom in BODIPYs, highlighting our contributions that evolved from synthetic curiosities and now offer this dipyrrolic skeleton potential across a wider range of applications. We first summarise preparative routes to BODIPYs through complexation of boron with the dipyrrinato ligand. The role of boron in protecting dipyrrins is then discussed, followed by strategies by which to achieve facile substitution at the boron atom.
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Affiliation(s)
- Rosinah Liandrah Gapare
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, NS, B3H 4R2, Canada.
| | - Alison Thompson
- Department of Chemistry, Dalhousie University, P.O. Box 15000, Halifax, NS, B3H 4R2, Canada.
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50
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Das BC, Adil Shareef M, Das S, Nandwana NK, Das Y, Saito M, Weiss LM. Boron-Containing heterocycles as promising pharmacological agents. Bioorg Med Chem 2022; 63:116748. [PMID: 35453036 DOI: 10.1016/j.bmc.2022.116748] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/16/2022] [Accepted: 04/08/2022] [Indexed: 11/28/2022]
Abstract
The incorporation of the "magic" boron atom has been established as an important new strategy in the field of medicinal chemistry as boron compounds have been shown to form various bonds with their biological targets. Currently, a number of boron-based drugs (e.g. bortezomib, crisaborole, and tavaborole) have been FDA approved and are in the clinic, and several other boron-containing compounds are in clinical trials. Boron-based heterocycles have an incredible potential in the ongoing quest for new therapeutic agents owing to their plethora of biological activities and useful pharmacokinetic profiles. The present perspective is intended to review the pharmacological applications of boron-based heterocycles that have been published. We have classified these compounds into groups exhibiting shared pharmacological activities and discussed their corresponding biological targets focusing mainly on the most potent therapeutic compounds.
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Affiliation(s)
- Bhaskar C Das
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY, USA; Department of Medicine and Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
| | - Mohammed Adil Shareef
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY, USA
| | - Sasmita Das
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY, USA
| | - Nitesh K Nandwana
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY, USA
| | - Yogarupa Das
- Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USA
| | - Mariko Saito
- Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USA
| | - Louis M Weiss
- Department of Medicine, Division of Infectious Diseases and Department of Pathology Division of Parasitology and Tropical Medicine, Albert Einstein College of Medicine, Bronx NY-10461, USA
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