1
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Ho KT, Pierce JG. Synthesis of Spiropyrrolines via One-Pot Tf 2O-Mediated Amide Activation/Formal [3 + 2]-Cycloaddition of α-Formylamino Ketones. J Org Chem 2024; 89:13031-13037. [PMID: 39230008 DOI: 10.1021/acs.joc.4c01128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2024]
Abstract
An efficient method for the synthesis of spiropyrrolines from readily accessible α-formylamino ketones is reported. The method involves amide activation using Tf2O, followed by a formal [3 + 2]-cycloaddition of the resulting enolic nitrilium intermediate with Michael acceptors, ultimately affording spiropyrrolines. Mechanistic insights were gained through NMR studies, elucidating the precise role of the base additive and suggesting the formation of an enolic nitrilium intermediate.
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Affiliation(s)
- Khanh-Toan Ho
- Department of Chemistry and Integrative Sciences Initiative, NC State University, Raleigh, North Carolina 27695, United States
| | - Joshua G Pierce
- Department of Chemistry and Integrative Sciences Initiative, NC State University, Raleigh, North Carolina 27695, United States
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2
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Breunig J, Valdes-Pena MA, Ratchford AW, Pierce JG. Total Synthesis and Microbiological Evaluation of Leopolic Acid A and Analogues. ACS BIO & MED CHEM AU 2024; 4:95-99. [PMID: 38645927 PMCID: PMC11027124 DOI: 10.1021/acsbiomedchemau.3c00068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 04/23/2024]
Abstract
New antimicrobial scaffolds are scarce, and there is a great need for the development of novel therapeutics. In this study, we report a convergent 9-step synthesis of leopolic acid A and a series of targeted analogues. The designed compounds allowed for incorporation of non-natural ureido dipeptide moieties and 4- and 5-position substituents around the 2,3-pyrrolidinedione of leopolic acid A. Leopolic acid A displayed modest antimicrobial activity (32 μg/mL) against MRSA, while the most active analogues displayed slightly improved activity (8-16 μg/mL). Additionally, several of the leopolic acid A analogues displayed promising antibiofilm activity, most notably having an MBEC:MIC ratio of ∼1. Overall, this work represents an initial SAR of the natural product and a framework for further optimization of these bioactive scaffolds within the context of bioactive pyrrolidinediones.
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Affiliation(s)
- Jamie
L. Breunig
- Department of Chemistry, Comparative
Medicine Institute, and Integrative Sciences Initiative, NC State University, Raleigh, North Carolina 27695, United States
| | - M. Alejandro Valdes-Pena
- Department of Chemistry, Comparative
Medicine Institute, and Integrative Sciences Initiative, NC State University, Raleigh, North Carolina 27695, United States
| | - Andrew W. Ratchford
- Department of Chemistry, Comparative
Medicine Institute, and Integrative Sciences Initiative, NC State University, Raleigh, North Carolina 27695, United States
| | - Joshua G. Pierce
- Department of Chemistry, Comparative
Medicine Institute, and Integrative Sciences Initiative, NC State University, Raleigh, North Carolina 27695, United States
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3
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Nie M, Alejandro Valdes-Pena M, Frohock BH, Smits E, Daiker JC, Gilbertie JM, Schnabel LV, Pierce JG. Expanded library of novel 2,3-pyrrolidinedione analogues exhibit anti-biofilm activity. Bioorg Med Chem Lett 2024; 99:129609. [PMID: 38191097 PMCID: PMC10872213 DOI: 10.1016/j.bmcl.2024.129609] [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: 10/21/2023] [Revised: 01/02/2024] [Accepted: 01/04/2024] [Indexed: 01/10/2024]
Abstract
Herein we report a new library of 2,3-pyrrolidinedione analogues that expands on our previous report on the antimicrobial studies of this heterocyclic scaffold. The novel 2,3-pyrrolidinediones reported herein have been evaluated against S. aureus and methicillin-resistant S. aureus (MRSA) biofilms, and this work constitutes our first report on the antibiofilm properties of this class of compounds. The antibiofilm activity of these 2,3-pyrrolidinediones has been assessed through minimum biofilm eradication concentration (MBEC) and minimum biofilm inhibition concentration (MBIC) assays. The compounds displayed antibiofilm properties and represent intriguing scaffolds for further optimization and development.
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Affiliation(s)
- Minhua Nie
- Department of Chemistry, College of Sciences, NC State University, Raleigh, NC 27695, USA; Comparative Medicine Institute, NC State University, Raleigh, NC 27695, USA
| | - M Alejandro Valdes-Pena
- Department of Chemistry, College of Sciences, NC State University, Raleigh, NC 27695, USA; Comparative Medicine Institute, NC State University, Raleigh, NC 27695, USA
| | - Bram H Frohock
- Department of Chemistry, College of Sciences, NC State University, Raleigh, NC 27695, USA; Comparative Medicine Institute, NC State University, Raleigh, NC 27695, USA
| | - Emma Smits
- Department of Chemistry, College of Sciences, NC State University, Raleigh, NC 27695, USA; Comparative Medicine Institute, NC State University, Raleigh, NC 27695, USA
| | - Jennifer C Daiker
- Department of Chemistry, College of Sciences, NC State University, Raleigh, NC 27695, USA; Department of Clinical Sciences College of Veterinary Medicine, NC State University, 1060 William Moore Drive, Raleigh, NC 27607, USA; Comparative Medicine Institute, NC State University, Raleigh, NC 27695, USA
| | - Jessica M Gilbertie
- Department of Clinical Sciences College of Veterinary Medicine, NC State University, 1060 William Moore Drive, Raleigh, NC 27607, USA; Comparative Medicine Institute, NC State University, Raleigh, NC 27695, USA
| | - Lauren V Schnabel
- Department of Clinical Sciences College of Veterinary Medicine, NC State University, 1060 William Moore Drive, Raleigh, NC 27607, USA; Comparative Medicine Institute, NC State University, Raleigh, NC 27695, USA
| | - Joshua G Pierce
- Department of Chemistry, College of Sciences, NC State University, Raleigh, NC 27695, USA; Comparative Medicine Institute, NC State University, Raleigh, NC 27695, USA.
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4
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Capelli D, Cazzaniga G, Mori M, Laghezza A, Loiodice F, Quaglia M, Negro E, Meneghetti F, Villa S, Montanari R. Biological Screening and Crystallographic Studies of Hydroxy γ-Lactone Derivatives to Investigate PPARγ Phosphorylation Inhibition. Biomolecules 2023; 13:biom13040694. [PMID: 37189440 DOI: 10.3390/biom13040694] [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: 02/24/2023] [Revised: 03/31/2023] [Accepted: 04/17/2023] [Indexed: 05/17/2023] Open
Abstract
PPARγ represents a key target for the treatment of type 2 diabetes and metabolic syndrome. To avoid serious adverse effects related to the PPARγ agonism profile of traditional antidiabetic drugs, a new opportunity is represented by the development of molecules acting as inhibitors of PPARγ phosphorylation by the cyclin-dependent kinase 5 (CDK5). Their mechanism of action is mediated by the stabilization of the PPARγ β-sheet containing Ser273 (Ser245 in PPARγ isoform 1 nomenclature). In this paper, we report the identification of new γ-hydroxy-lactone-based PPARγ binders from the screening of an in-house library. These compounds exhibit a non-agonist profile towards PPARγ, and one of them prevents Ser245 PPARγ phosphorylation by acting mainly on PPARγ stabilization and exerting a weak CDK5 inhibitory effect.
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Affiliation(s)
- Davide Capelli
- Istituto di Cristallografia, Consiglio Nazionale delle Ricerche, Strada Provinciale 35d, n. 9-00010, Montelibretti, 34149 Rome, Italy
| | - Giulia Cazzaniga
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy
| | - Matteo Mori
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy
| | - Antonio Laghezza
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Via Orabona 4, 70125 Bari, Italy
| | - Fulvio Loiodice
- Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Via Orabona 4, 70125 Bari, Italy
| | - Martina Quaglia
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy
| | - Elisa Negro
- Istituto di Cristallografia, Consiglio Nazionale delle Ricerche, Strada Provinciale 35d, n. 9-00010, Montelibretti, 34149 Rome, Italy
| | - Fiorella Meneghetti
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy
| | - Stefania Villa
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy
| | - Roberta Montanari
- Istituto di Cristallografia, Consiglio Nazionale delle Ricerche, Strada Provinciale 35d, n. 9-00010, Montelibretti, 34149 Rome, Italy
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5
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Gein ON, Rubtsova DD, Gein VL. Acute Toxicity and Analgesic Activity of 5-Aryl-4-Hetaroyl-3-Hydroxy-1-Hydroxyalkyl-3-Pyrrolin-2-Ones. Pharm Chem J 2023. [DOI: 10.1007/s11094-023-02833-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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6
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Shahedi M, Omidi N, Habibi Z, Yousefi M, Brask J, Notash B, Mohammadi M. Biocatalytic stereoselective synthesis of pyrrolidine-2,3-diones containing all-carbon quaternary stereocenters. Org Biomol Chem 2023; 21:2742-2747. [PMID: 36916669 DOI: 10.1039/d2ob02294j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
Highly functionalized pyrrolidine-2,3-diones can be synthesized efficiently and stereoselectively under mild conditions using a biocatalytic approach. The reaction led to the formation of new all-carbon quaternary stereocenters from Myceliophthora thermophila laccase (Novozym 51003) catalyzed oxidation of catechols to ortho-quinones and subsequent 1,4-addition with 3-hydroxy-1,5-dihydro-2H-pyrrol-2-ones. The reaction was conducted with various substituents on both reactants, resulting in 13 products in moderate to good yields (42-91%). The same 15 reactions were also tested with K3Fe(CN)6 as a catalyst, but here only one reaction resulted in a product (60% yield).
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Affiliation(s)
- Mansour Shahedi
- Department of Organic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Niloofar Omidi
- Department of Organic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Zohreh Habibi
- Department of Organic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
| | - Jesper Brask
- Novozymes A/S, Krogshøjvej 36, 2880 Bagsværd, Copenhagen, Denmark
| | - Behrouz Notash
- Department of Inorganic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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7
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Weng Z, Zhou Y, Yue X, Jiang F, Guo W. Regioselective α-addition of vinylogous α-ketoester enolate in organocatalytic asymmetric Michael reactions: enantioselective synthesis of Rauhut–Currier type products. RSC Adv 2022; 12:32056-32060. [DOI: 10.1039/d2ra06416b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 10/27/2022] [Indexed: 11/11/2022] Open
Abstract
Catalytic asymmetric α-regioselective Michael additions of vinylogous α-ketoester enolate are described herein.
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Affiliation(s)
- Zhibing Weng
- School of Chemical and Pharmaceutical Engineering, Changzhou Vocational Institute of Engineering, Changzhou, China
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Ying Zhou
- School of Petrochemical Engineering, Changzhou University, Changzhou, China
| | - Xin Yue
- School of Petrochemical Engineering, Changzhou University, Changzhou, China
| | - Feng Jiang
- School of Petrochemical Engineering, Changzhou University, Changzhou, China
| | - Wengang Guo
- School of Petrochemical Engineering, Changzhou University, Changzhou, China
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8
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Choi SM, Kim KD, Park JU, Xuan Z, Kim JH. Pd-catalyzed [3 + 2] cycloaddition of cyclic ketimines and trimethylenemethanes toward N-fused pyrrolidines bearing a quaternary carbon. RSC Adv 2021; 12:785-789. [PMID: 35425099 PMCID: PMC8978666 DOI: 10.1039/d1ra08579d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 12/17/2021] [Indexed: 12/14/2022] Open
Abstract
A Pd-catalyzed [3 + 2] cycloaddition of N-sulfonyl cyclic ketimines and trimethylenemethanes (TMM) was developed that afforded N-fused pyrrolidines bearing a quaternary carbon. Under mild reaction conditions, structurally diverse N-sulfonyl cyclic imines, including sulfamate-fused aldimines, aryl- or styryl-substituted sulfamate-derived ketimines, and N-sulfonyl cyclic ketimines, were tolerated as reactants, affording N-fused pyrrolidines with high efficiency.
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Affiliation(s)
- Seoung-Mi Choi
- Department of Chemistry (BK21 Four), Research Institute of Natural Science, Gyeongsang National University 52828 Jinju Korea
| | - Kyeong Do Kim
- Department of Chemistry (BK21 Four), Research Institute of Natural Science, Gyeongsang National University 52828 Jinju Korea
| | - Jong-Un Park
- Department of Chemistry (BK21 Four), Research Institute of Natural Science, Gyeongsang National University 52828 Jinju Korea
| | - Zi Xuan
- Department of Chemistry (BK21 Four), Research Institute of Natural Science, Gyeongsang National University 52828 Jinju Korea
| | - Ju Hyun Kim
- Department of Chemistry (BK21 Four), Research Institute of Natural Science, Gyeongsang National University 52828 Jinju Korea
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9
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Massaro NP, Pierce JG. Rapid synthesis of the core scaffold of crinane and haemanthamine through a multi-component approach. Tetrahedron Lett 2021; 75. [PMID: 34176982 DOI: 10.1016/j.tetlet.2021.153201] [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] [Indexed: 11/17/2022]
Abstract
A rapid synthesis of the core structures of crinane and haemanthamine has been developed, enabled by a multicomponent approach. This work constitutes a formal synthesis of crinane and sets the stage for access to both families of natural products and key analogues. A key highlight of the approach is the modularity of the core synthesis, overcoming existing challenges for these scaffolds and providing a path to explore site-selective oxidation to expand the scope of molecules accessible from common intermediates.
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Affiliation(s)
- Nicholas P Massaro
- Department of Chemistry and Comparative Medicine Institute, NC State University, Raleigh, NC 27695, USA
| | - Joshua G Pierce
- Department of Chemistry and Comparative Medicine Institute, NC State University, Raleigh, NC 27695, USA
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10
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Valdes-Pena MA, Massaro NP, Lin YC, Pierce JG. Leveraging Marine Natural Products as a Platform to Tackle Bacterial Resistance and Persistence. Acc Chem Res 2021; 54:1866-1877. [PMID: 33733746 DOI: 10.1021/acs.accounts.1c00007] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Antimicrobial resistance to existing antibiotics represents one of the greatest threats to human health and is growing at an alarming rate. To further complicate treatment of bacterial infections, many chronic infections are the result of bacterial biofilms that are tolerant to treatment with antibiotics because of the presence of metabolically dormant persister cell populations. Together these threats are creating an increasing burden on the healthcare system, and a "preantibiotic" age is on the horizon if significant action is not taken by the scientific and medical communities. While the golden era of antibiotic discovery (1940s-1960s) produced most of the antibiotic classes in clinical use today, followed by several decades of limited development, there has been a resurgence in antibiotic drug discovery in recent years fueled by the academic and biotech sectors. Historically, great success has been achieved by developing next-generation variants of existing classes of antibiotics, but there remains a dire need for the identification of novel scaffolds and/or antimicrobial targets to drive future efforts to overcome resistance and tolerance. In this regard, there has been no more valuable source for the identification of antibiotics than natural products, with 69-77% of approved antibiotics either being such compounds or being derived from them.Our group has developed a program centered on the chemical synthesis and chemical microbiology of marine natural products with unusual structures and promising levels of activity against multidrug-resistant (MDR) bacterial pathogens. As we are motivated by preparing and studying the biological effects of these molecules, we are not initially pursuing a biological question but instead are allowing the observed phenotypes and activities to guide the ultimate project direction. In this Account, our recent efforts on the synoxazolidinone, lipoxazolidinone, and batzelladine natural products will be discussed and placed in the context of the field's greatest challenges and opportunities. Specifically, the synoxazolidinone family of 4-oxazolidinone-containing natural products has led to the development of several chemical methods to prepare antimicrobial scaffolds and has revealed compounds with potent activity as adjuvants to treat bacterial biofilms. Bearing the same 4-oxazolidinone core, the lipoxazolidinones have proven to be potent single-agent antibiotics. Finally, our synthetic efforts toward the batzelladines revealed analogues with activity against a number of MDR pathogens, highlighted by non-natural stereochemical isomers with superior activity and simplified synthetic access. Taken together, these studies provide several distinct platforms for the development of novel therapeutics that can add to our arsenal of scaffolds for preclinical development and can provide insight into the biochemical processes and pathways that can be targeted by small molecules in the fight against antimicrobial-resistant and -tolerant infections. We hope that this work will serve as inspiration for increased efforts by the scientific community to leverage synthetic chemistry and chemical microbiology toward novel antibiotics that can combat the growing crisis of MDR and tolerant bacterial infections.
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Affiliation(s)
- M. Alejandro Valdes-Pena
- Department of Chemistry and Comparative Medicine Institute, NC State University, Raleigh, North Carolina 27695, United States
| | - Nicholas P. Massaro
- Department of Chemistry and Comparative Medicine Institute, NC State University, Raleigh, North Carolina 27695, United States
| | - You-Chen Lin
- Department of Chemistry and Comparative Medicine Institute, NC State University, Raleigh, North Carolina 27695, United States
| | - Joshua G. Pierce
- Department of Chemistry and Comparative Medicine Institute, NC State University, Raleigh, North Carolina 27695, United States
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11
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Synthesis of a Fluorinated Derivative of Sigma-1 Receptor Modulator E1R: 2-[5-oxo-3-phenyl-2-(trifluoromethyl)pyrrolidin-1-yl]Acetamide. Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02814-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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12
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Afsah EM, Abdelmageed SM. Pyrrolidine‐2,3‐diones: Synthesis, reactions and biological activity. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4098] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Elsayed M. Afsah
- Chemistry Department, Faculty of Science Mansoura University Mansoura Egypt
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13
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Massaro NP, Pierce JG. Stereoselective, Multicomponent Approach to Quaternary Substituted Hydroindole Scaffolds. Org Lett 2020; 22:5079-5084. [PMID: 32610919 DOI: 10.1021/acs.orglett.0c01650] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The Amaryllidaceae alkaloids have been a target of synthesis for decades due to their complex architectures and biological activity. A central feature of these natural product cores is a quaternary substituted hydroindole heterocycle. Building off the foundation of our previous multicomponent approach to highly functionalized pyrrolidinones, herein we report a highly convergent, diastereoselective, multicomponent approach to access the hydroindole cores present within crinine, haemanthamine, pretazettine, and various other bioactive alkaloids. These scaffolds are additionally useful as building blocks for druglike molecules and natural product like library generation.
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Affiliation(s)
- Nicholas P Massaro
- Department of Chemistry, College of Sciences, North Carolina State University, 2620 Yarbrough Drive, Raleigh, North Carolina 27695, United States.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Joshua G Pierce
- Department of Chemistry, College of Sciences, North Carolina State University, 2620 Yarbrough Drive, Raleigh, North Carolina 27695, United States.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina 27695, United States
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14
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Włodarczyk K, Borowski P, Stankevič M. [1,3]/[1,4]-Sulfur atom migration in β-hydroxyalkylphosphine sulfides. Beilstein J Org Chem 2020; 16:88-105. [PMID: 32082428 PMCID: PMC7006489 DOI: 10.3762/bjoc.16.11] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Accepted: 01/10/2020] [Indexed: 11/23/2022] Open
Abstract
β-Hydroxyalkylphosphine sulfides undergo [1,3]- or [1,4]-sulfur atom phosphorus-to-carbon migration in the presence of Lewis or Brønsted acids. The direction of sulfur atom migration depends on the type of acid used for the reaction. In the presence of a Brønsted acid, mainly [1,3]-rearrangement is observed, whereas a Lewis acid catalyzes the [1,4]-sulfur migration. To gain insight into the mechanism of these transformations, the stereochemistry of these rearrangements have been tested, along with the conduction of some control experiments and DFT calculations.
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Affiliation(s)
- Katarzyna Włodarczyk
- Department of Organic Chemistry, Faculty of Chemistry, Marie Curie-Skłodowska University in Lublin, 33 Gliniana St., 20-614 Lublin, Poland
| | - Piotr Borowski
- Department of Chromatographic Methods, Faculty of Chemistry, Marie Curie-Skłodowska University in Lublin, 3 Marie Curie-Skłodowska Sq., 20-031 Lublin, Poland
| | - Marek Stankevič
- Department of Organic Chemistry, Faculty of Chemistry, Marie Curie-Skłodowska University in Lublin, 33 Gliniana St., 20-614 Lublin, Poland
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15
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Donmez SE, Soydaş E, Aydın G, Şahin O, Bozkaya U, Türkmen YE. Aza-Nazarov Cyclization Reactions via Anion Exchange Catalysis. Org Lett 2019; 21:554-558. [PMID: 30985150 DOI: 10.1021/acs.orglett.8b03886] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A catalytic aza-Nazarov cyclization between 3,4-dihydroisoquinolines and α,β-unsaturated acyl chlorides has been developed to access α-methylene-γ-lactam products in good yields (up to 79%) as single diastereomers. The reactions proceed efficiently when AgOTf is used as an anion exchange catalyst with a 20 mol % loading at 80 °C. Computational studies were performed to investigate the reaction mechanism, and the findings support the role of the -TMS group in reducing the reaction barrier of the key cyclization step.
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Affiliation(s)
- Selin E Donmez
- Department of Chemistry, Faculty of Science , Bilkent University , Ankara , 06800 , Turkey
| | - Emine Soydaş
- Department of Chemistry , Hacettepe University , Ankara , 06800 , Turkey
| | - Gökçen Aydın
- Department of Chemistry, Faculty of Science , Bilkent University , Ankara , 06800 , Turkey
| | - Onur Şahin
- Sinop University , Scientific and Technological Research Application and Research Center , Sinop , 57000 , Turkey
| | - Uğur Bozkaya
- Department of Chemistry , Hacettepe University , Ankara , 06800 , Turkey
| | - Yunus E Türkmen
- Department of Chemistry, Faculty of Science , Bilkent University , Ankara , 06800 , Turkey.,UNAM - National Nanotechnology Research Center, Institute of Materials Science and Nanotechnology , Bilkent University , Ankara , 06800 , Turkey
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16
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Herndon JW. The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2017. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.08.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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17
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Lauro G, Cantone V, Potenza M, Fischer K, Koeberle A, Werz O, Riccio R, Bifulco G. Discovery of 3-hydroxy-3-pyrrolin-2-one-based mPGES-1 inhibitors using a multi-step virtual screening protocol. MEDCHEMCOMM 2018; 9:2028-2036. [PMID: 30746063 DOI: 10.1039/c8md00497h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 11/17/2018] [Indexed: 12/20/2022]
Abstract
Targeting microsomal prostaglandin E2 synthase-1 (mPGES-1) represents an efficient strategy for the development of novel drugs against inflammation and cancer with potentially reduced side effects. With this aim, a virtual screening was performed on a large library of commercially available molecules using the X-ray structure of mPGES-1 co-complexed with a potent inhibitor. Combining fast ligand-based shape alignment, molecular docking experiments, and qualitative analysis of the binding poses, a small set of molecules was selected for the subsequent steps of validation of the biological activity. Compounds 2 and 3, bearing the 3-hydroxy-3-pyrrolin-2-one nucleus, showed mPGES-1-inhibitory activity in the low micromolar range. These data highlighted the applicability of the reported virtual screening protocol for the selection of new mPGES-1 inhibitors as promising anti-inflammatory/anti-cancer drugs.
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Affiliation(s)
- Gianluigi Lauro
- Department of Pharmacy , University of Salerno , via Giovanni Paolo II 132 , 84084 Fisciano , Italy . ; ; Tel: +39 (0)89 969741
| | - Vincenza Cantone
- Department of Pharmacy , University of Salerno , via Giovanni Paolo II 132 , 84084 Fisciano , Italy . ; ; Tel: +39 (0)89 969741
| | - Marianna Potenza
- Department of Pharmacy , University of Salerno , via Giovanni Paolo II 132 , 84084 Fisciano , Italy . ; ; Tel: +39 (0)89 969741
| | - Katrin Fischer
- Department of Pharmaceutical/Medicinal Chemistry , Institute of Pharmacy , Friedrich-Schiller-University Jena , Philosophenweg 14 , D-07743 Jena , Germany
| | - Andreas Koeberle
- Department of Pharmaceutical/Medicinal Chemistry , Institute of Pharmacy , Friedrich-Schiller-University Jena , Philosophenweg 14 , D-07743 Jena , Germany
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry , Institute of Pharmacy , Friedrich-Schiller-University Jena , Philosophenweg 14 , D-07743 Jena , Germany
| | - Raffaele Riccio
- Department of Pharmacy , University of Salerno , via Giovanni Paolo II 132 , 84084 Fisciano , Italy . ; ; Tel: +39 (0)89 969741
| | - Giuseppe Bifulco
- Department of Pharmacy , University of Salerno , via Giovanni Paolo II 132 , 84084 Fisciano , Italy . ; ; Tel: +39 (0)89 969741
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18
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Zhou S, Wang S, Wang J, Nian Y, Peng P, Soloshonok VA, Liu H. Configurationally Stable (S
)- and (R
)-α-Methylproline-Derived Ligands for the Direct Chemical Resolution of Free Unprotected β3
-Amino Acids. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800120] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shengbin Zhou
- University of Chinese Academy of Sciences; No.19A Yuquan Road 100049 Beijing China
- CAS Key Laboratory of Receptor Research; Shanghai Institute of Materia Medica; Chinese Academy of Sciences; 555 Zuchongzhi Road 201203 Shanghai China
| | - Shuni Wang
- University of Chinese Academy of Sciences; No.19A Yuquan Road 100049 Beijing China
- CAS Key Laboratory of Receptor Research; Shanghai Institute of Materia Medica; Chinese Academy of Sciences; 555 Zuchongzhi Road 201203 Shanghai China
| | - Jiang Wang
- University of Chinese Academy of Sciences; No.19A Yuquan Road 100049 Beijing China
- CAS Key Laboratory of Receptor Research; Shanghai Institute of Materia Medica; Chinese Academy of Sciences; 555 Zuchongzhi Road 201203 Shanghai China
| | - Yong Nian
- University of Chinese Academy of Sciences; No.19A Yuquan Road 100049 Beijing China
- CAS Key Laboratory of Receptor Research; Shanghai Institute of Materia Medica; Chinese Academy of Sciences; 555 Zuchongzhi Road 201203 Shanghai China
| | - Panfeng Peng
- University of Chinese Academy of Sciences; No.19A Yuquan Road 100049 Beijing China
- CAS Key Laboratory of Receptor Research; Shanghai Institute of Materia Medica; Chinese Academy of Sciences; 555 Zuchongzhi Road 201203 Shanghai China
| | - Vadim A. Soloshonok
- Department of Organic Chemistry I; Faculty of Chemistry; University of the Basque Country UPV/EHU; Paseo Manuel Lardizábal 3 20018 San Sebastián Spain
- IKERBASQUE - Basque Foundation for Science; Maria Diaz de Haro 3 48013 Bilbao Spain
| | - Hong Liu
- University of Chinese Academy of Sciences; No.19A Yuquan Road 100049 Beijing China
- CAS Key Laboratory of Receptor Research; Shanghai Institute of Materia Medica; Chinese Academy of Sciences; 555 Zuchongzhi Road 201203 Shanghai China
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19
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3-Hydroxy-1,5-dihydro-2H-pyrrol-2-ones as novel antibacterial scaffolds against methicillin-resistant Staphylococcus aureus. Bioorg Med Chem Lett 2018. [PMID: 29525221 DOI: 10.1016/j.bmcl.2018.02.047] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Herein, we report the synthesis and evaluation of 3-hydroxy-1,5-dihydro-2H-pyrrol-2-ones as antibacterial agents against methicillin-resistant S. aureus (MRSA) and methicillin-resistant S. epidermidis (MRSE). Lead compound 38 showed minimum inhibitory concentrations (MICs) of 8 and 4 μg/mL against MRSA and MRSE, respectively. Furthermore, compound 38 displayed a MIC of 8-16 μg/mL against linezolid-resistant MRSA. These molecules, previously underexplored as antibacterial agents, serve as a new scaffold for antimicrobial development.
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20
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del Corte X, Maestro A, Vicario J, Martinez de Marigorta E, Palacios F. Brönsted-Acid-Catalyzed Asymmetric Three-Component Reaction of Amines, Aldehydes, and Pyruvate Derivatives. Enantioselective Synthesis of Highly Functionalized γ-Lactam Derivatives. Org Lett 2017; 20:317-320. [DOI: 10.1021/acs.orglett.7b03397] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xabier del Corte
- Departamento de Química Orgánica
I, Facultad de Farmacia, University of the Basque Country, UPV/EHU
Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Aitor Maestro
- Departamento de Química Orgánica
I, Facultad de Farmacia, University of the Basque Country, UPV/EHU
Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Javier Vicario
- Departamento de Química Orgánica
I, Facultad de Farmacia, University of the Basque Country, UPV/EHU
Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Edorta Martinez de Marigorta
- Departamento de Química Orgánica
I, Facultad de Farmacia, University of the Basque Country, UPV/EHU
Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Francisco Palacios
- Departamento de Química Orgánica
I, Facultad de Farmacia, University of the Basque Country, UPV/EHU
Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
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21
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Cusumano AQ, Boudreau MW, Pierce JG. Direct Access to Highly Functionalized Heterocycles through the Condensation of Cyclic Imines and α-Oxoesters. J Org Chem 2017; 82:13714-13721. [PMID: 29206454 PMCID: PMC6008790 DOI: 10.1021/acs.joc.7b02572] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A facile, gram-scale preparation of 2-hydroxy-5,6,7,7a-tetrahydro-3H-pyrrolizin-3-ones and 2-hydroxy-6,7,8,8a-tetrahydroindolizin-3(5H)-ones from a condensation cyclization of α-oxoesters with five- and six-membered cyclic imines, respectively, is reported. This transformation enables a concise, three-step synthesis of the natural products phenopyrrozin and p-hydroxyphenopyrrozin. Further, biologically relevant scaffolds, such as α-quaternary β-homo prolines and β-lactams, are also prepared in two- to three-steps from the versatile 2-hydroxy-5,6,7,7a-tetrahydro-3H-pyrrolizin-3-one core.
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Affiliation(s)
- Alexander Q. Cusumano
- Department of Chemistry, College of Sciences, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Matthew W. Boudreau
- Department of Chemistry, College of Sciences, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Joshua G. Pierce
- Department of Chemistry, College of Sciences, North Carolina State University, Raleigh, North Carolina 27695, United States
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