1
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Han Y, Yuan Y, Qi S, Zhang ZK, Kong X, Yang J, Zhang J. Copper-Catalyzed Sulfur Alkylation of Sulfenamides with N-Sulfonylhydrazones. Org Lett 2024; 26:3906-3910. [PMID: 38683227 DOI: 10.1021/acs.orglett.4c01086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
Sulfilimines are valuable compounds in both organic synthesis and pharmaceuticals. In this study, we present a copper-catalyzed sulfur alkylation of sulfenamides with N-sulfonylhydrazones. In contrast to prior findings, hydrazones derived from aldehydes act as donor-type carbene precursors, effectively engaging in coupling with sulfenamides via a copper catalyst, demonstrating exclusive S selectivity. The utility of the protocol was highlighted in the rapid access to a wide range of sulfoximine derivatives.
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Affiliation(s)
- Yidan Han
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, Guangxi 541006, People's Republic of China
| | - Yin Yuan
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, People's Republic of China
| | - Shutao Qi
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, People's Republic of China
| | - Zhi-Kun Zhang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, People's Republic of China
| | - Xiangfei Kong
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, Guangxi 541006, People's Republic of China
| | - Junfeng Yang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, People's Republic of China
- Zhuhai Fudan Innovation Institute, Zhuhai, Guangdong 519000, People's Republic of China
| | - Junliang Zhang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, People's Republic of China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, People's Republic of China
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, People's Republic of China
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2
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Kim H, Lee K, Kim C, Lim J, Kim WY. DFRscore: Deep Learning-Based Scoring of Synthetic Complexity with Drug-Focused Retrosynthetic Analysis for High-Throughput Virtual Screening. J Chem Inf Model 2024; 64:2432-2444. [PMID: 37651152 DOI: 10.1021/acs.jcim.3c01134] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Recently emerging generative AI models enable us to produce a vast number of compounds for potential applications. While they can provide novel molecular structures, the synthetic feasibility of the generated molecules is often questioned. To address this issue, a few recent studies have attempted to use deep learning models to estimate the synthetic accessibility of many molecules rapidly. However, retrosynthetic analysis tools used to train the models rely on reaction templates automatically extracted from a large reaction database that are not domain-specific and may exhibit low chemical correctness. To overcome this limitation, we introduce DFRscore (Drug-Focused Retrosynthetic score), a deep learning-based approach for a more practical assessment of synthetic accessibility in drug discovery. The DFRscore model is trained exclusively on drug-focused reactions, providing a predicted number of minimally required synthetic steps for each compound. This approach enables practitioners to filter out compounds that do not meet their desired level of synthetic accessibility at an early stage of high-throughput virtual screening for accelerated drug discovery. The proposed strategy can be easily adapted to other domains by adjusting the synthesis planning setup of the reaction templates and starting materials.
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Affiliation(s)
- Hyeongwoo Kim
- Department of Chemistry, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Kyunghoon Lee
- Department of Chemistry, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Chansu Kim
- Department of Chemistry, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Jaechang Lim
- HITS Incorporation, 124 Teheran-ro, Gangnam-gu, Seoul 06234, Republic of Korea
| | - Woo Youn Kim
- Department of Chemistry, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
- HITS Incorporation, 124 Teheran-ro, Gangnam-gu, Seoul 06234, Republic of Korea
- AI Institute, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
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3
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Haritha V, Deepthi P, Gundamalla R, Nagesh K, Satyanarayana SV, Rao AB, Balasubramanian S, Reddy BVS. Biocatalytic enantioselective synthesis of cenobamate, an antiepileptic drug. Chirality 2024; 36:e23660. [PMID: 38511944 DOI: 10.1002/chir.23660] [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: 11/27/2023] [Revised: 01/16/2024] [Accepted: 02/13/2024] [Indexed: 03/22/2024]
Abstract
A green and efficient process for the synthesis of cenobamate has been accomplished in 70% yield and >99% ee through the bio-reduction of β-ketotetrazole using Daucus carota whole plant cells. The corresponding β-hydroxytetrazole was isolated in 60% yield and >98% ee. This is the first report on the biocatalytic reduction of β-ketotetrazole using plant enzymes derived from D. carota root cells with excellent enantioselectivity.
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Affiliation(s)
- Vennapusa Haritha
- Research Scholar, Jawaharlal Nehru Technological University Anantapur, Ananthapuramu, India
- Fluoro-Agrochemicals, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Pulivarthi Deepthi
- Fluoro-Agrochemicals, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Rachel Gundamalla
- Fluoro-Agrochemicals, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Kommu Nagesh
- Fluoro-Agrochemicals, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Suggala V Satyanarayana
- Department of Chemical Engineering, JNTUA College of Engineering, Ananthapuramu, Constituent College of Jawaharlal Nehru Technological University Anantapur, Ananthapuramu, India
| | - Adari Bhaskar Rao
- Fluoro-Agrochemicals, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Sridhar Balasubramanian
- Center for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
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4
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Zhelavskyi O, Parikh S, Jhang YJ, Staples RJ, Zimmerman PM, Nagorny P. Green Light Promoted Iridium(III)/Copper(I)-Catalyzed Addition of Alkynes to Aziridinoquinoxalines Through the Intermediacy of Azomethine Ylides. Angew Chem Int Ed Engl 2024; 63:e202318876. [PMID: 38267370 PMCID: PMC10939844 DOI: 10.1002/anie.202318876] [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: 12/08/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 01/26/2024]
Abstract
This manuscript describes the development of alkyne addition to the aziridine moiety of aziridinoquinoxalines using dual Ir(III)/Cu(I) catalytic system under green light-emitting diode (LED) photolysis (λmax =525 nm). This mild method features high levels of chemo- and regioselectivity and was used to generate 30 highly functionalized substituted dihydroquinoxalines in 36-98 % yield. This transformation was also carried asymmetrically using phthalazinamine-based chiral ligand to provide 9 chiral addition products in 96 : 4 to 86 : 14 e.r. The experimental and quantum chemical explorations of this reaction suggest a mechanism that involves Ir(III)-catalyzed triplet energy transfer followed by a ring-opening reaction ultimately leading to the formation of azomethine ylide intermediates. These azomethine intermediates undergo sequential protonation/copper(I) acetylide addition to provide the products.
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Affiliation(s)
| | - Seren Parikh
- Chemistry Department, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yin-Jia Jhang
- Chemistry Department, University of Michigan, Ann Arbor, MI 48109, USA
| | - Richard J Staples
- Department of Chemistry and Chemical Biology, Michigan State University, East Lansing, MI 48824, USA
| | - Paul M Zimmerman
- Chemistry Department, University of Michigan, Ann Arbor, MI 48109, USA
| | - Pavel Nagorny
- Chemistry Department, University of Michigan, Ann Arbor, MI 48109, USA
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5
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Kanwal A, Afzal U, Zubair M, Imran M, Rasool N. Synthesis of anti-depressant molecules via metal-catalyzed reactions: a review. RSC Adv 2024; 14:6948-6971. [PMID: 38410364 PMCID: PMC10895647 DOI: 10.1039/d3ra06391g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 02/07/2024] [Indexed: 02/28/2024] Open
Abstract
Depression is one of the most mutilating conditions in the world today. It has been difficult to make advancements toward better, more effective therapies since the introduction of antidepressant medicines in the late 1950s. One important field of medicinal chemistry is the synthesis of antidepressant molecules through metal-catalyzed procedures. The important role that different transition metals, including iron, nickel, ruthenium, and others, serve as catalysts in the synthesis of antidepressants is examined in this review. Key structural motifs included in antidepressant drugs such as tricyclic antidepressants (TCAs), selective serotonin reuptake inhibitors (SSRIs), and others can be synthesized in a variety of effective ways using metal-catalyzed steps. This review examines current developments in the catalytic synthesis of antidepressants and their potential application over the previous thirteen years.
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Affiliation(s)
- Aqsa Kanwal
- Department of Chemistry, Government College University Faisalabad 38000 Pakistan +92-3085448384
| | - Uzma Afzal
- Department of Chemistry, Government College University Faisalabad 38000 Pakistan +92-3085448384
| | - Muhammad Zubair
- Department of Chemistry, Government College University Faisalabad 38000 Pakistan +92-3085448384
| | - Muhammad Imran
- Chemistry Department, Faculty of Science, King Khalid University P.O. Box 9004 Abha 61413 Saudi Arabia
| | - Nasir Rasool
- Department of Chemistry, Government College University Faisalabad 38000 Pakistan +92-3085448384
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6
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Ferreira FC, Buarque CD, Lopes-Pacheco M. Organic Synthesis and Current Understanding of the Mechanisms of CFTR Modulator Drugs Ivacaftor, Tezacaftor, and Elexacaftor. Molecules 2024; 29:821. [PMID: 38398574 PMCID: PMC10891718 DOI: 10.3390/molecules29040821] [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: 12/31/2023] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
The monogenic rare disease Cystic Fibrosis (CF) is caused by mutations in the gene encoding the CF transmembrane conductance (CFTR) protein, an anion channel expressed at the apical plasma membrane of epithelial cells. The discovery and subsequent development of CFTR modulators-small molecules acting on the basic molecular defect in CF-have revolutionized the standard of care for people with CF (PwCF), thus drastically improving their clinical features, prognosis, and quality of life. Currently, four of these drugs are approved for clinical use: potentiator ivacaftor (VX-770) alone or in combination with correctors lumacaftor, (VX-809), tezacaftor (VX-661), and elexacaftor (VX-445). Noteworthily, the triple combinatorial therapy composed of ivacaftor, tezacaftor, and elexacaftor constitutes the most effective modulator therapy nowadays for the majority of PwCF. In this review, we exploit the organic synthesis of ivacaftor, tezacaftor, and elexacaftor by providing a retrosynthetic drug analysis for these CFTR modulators. Furthermore, we describe the current understanding of the mechanisms of action (MoA's) of these compounds by discussing several studies that report the key findings on the molecular mechanisms underlying their action on the CFTR protein.
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Affiliation(s)
- Filipa C. Ferreira
- Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
| | - Camilla D. Buarque
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro 22435-900, RJ, Brazil
| | - Miquéias Lopes-Pacheco
- Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
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7
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Li H, Peng M, Wang L, Jiang T, Li X, Fu Y, Hu Z, An J. Single Electron Transfer Reductive Deuteration of Acyl Chlorides for the Synthesis of Deuterated Alcohols with a High Deuterium Atom Economy. Org Lett 2024; 26:719-723. [PMID: 38236082 DOI: 10.1021/acs.orglett.3c04155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
We present a highly deuterium atom economical approach for the synthesis of deuterated alcohols via the single electron transfer (SET) reductive deuteration of acyl chlorides. Cost-effective sodium dispersion and EtOD-d1 were used as the single electron donor and deuterium donor, respectively. Our approach achieved up to 49% deuterium atom economy, which represents the highest deuterium atom economy yet achieved in SET reductive deuteration reactions. With all 20 tested substrates, excellent regioselectivity and >92% deuterium incorporations were obtained. Furthermore, we demonstrated the potential of this methodology by synthesizing four deuterated analogues of pesticides.
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Affiliation(s)
- Hengzhao Li
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
- Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling, Shaanxi 712100, People's Republic of China
| | - Mengqi Peng
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, People's Republic of China
| | - Lijun Wang
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, People's Republic of China
| | - Tingting Jiang
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
- Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling, Shaanxi 712100, People's Republic of China
| | - Xinxin Li
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
- Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling, Shaanxi 712100, People's Republic of China
| | - Yijing Fu
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
- Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling, Shaanxi 712100, People's Republic of China
| | - Zhaonong Hu
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Key Laboratory of Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
- Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling, Shaanxi 712100, People's Republic of China
| | - Jie An
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, People's Republic of China
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8
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Maji L, Sengupta S, Purawarga Matada GS, Teli G, Biswas G, Das PK, Panduranga Mudgal M. Medicinal chemistry perspective of JAK inhibitors: synthesis, biological profile, selectivity, and structure activity relationship. Mol Divers 2024:10.1007/s11030-023-10794-5. [PMID: 38236444 DOI: 10.1007/s11030-023-10794-5] [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: 10/26/2023] [Accepted: 12/07/2023] [Indexed: 01/19/2024]
Abstract
JAK-STAT signalling pathway was discovered more than quarter century ago. The JAK-STAT pathway protein is considered as one of the crucial hubs for cytokine secretion which mediates activation of different inflammatory, cellular responses and hence involved in different etiological factors. The various etiological factors involved are haematopoiesis, immune fitness, tissue repair, inflammation, apoptosis, and adipogenesis. The presence of the active mutation V617K plays a significant role in the progression of the JAK-STAT pathway-related disease. Consequently, targeting the JAK-STAT pathway could be a promising therapeutic approach for addressing a range of causative factors. In this current review, we provided a comprehensive discussion for the in-detail study of anatomy and physiology of the JAK-STAT pathway which contributes structural domain rearrangement, activation, and negative regulation associated with the downstream signaling pathway, relationship between different cytokines and diseases. This review also discussed the recent development of clinical trial entities. Additionally, this review also provides updates on FDA-approved drugs. In the current investigation, we have classified recently developed small molecule inhibitors of JAK-STAT pathway according to different chemical classes and we emphasized their synthetic routes, biological evaluation, selectivity, and structure-activity relationship.
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Affiliation(s)
- Lalmohan Maji
- Integrated Drug Discovery Centre, Department of Pharmaceutical Chemistry, Acharya & BM Reddy College of Pharmacy, Bengaluru, Karnataka, India
| | - Sindhuja Sengupta
- Integrated Drug Discovery Centre, Department of Pharmaceutical Chemistry, Acharya & BM Reddy College of Pharmacy, Bengaluru, Karnataka, India
| | | | - Ghanshyam Teli
- School of Pharmacy, Sangam University, Atoon, Bhilwara, 311001, Rajasthan, India
| | - Gourab Biswas
- Department of Pharmaceutical Technology, Brainware University, Kolkata, West Bengal, India
| | - Pronoy Kanti Das
- Integrated Drug Discovery Centre, Department of Pharmaceutical Chemistry, Acharya & BM Reddy College of Pharmacy, Bengaluru, Karnataka, India
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9
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Vishakha S, Navneesh N, Kurmi BD, Gupta GD, Verma SK, Jain A, Patel P. An Expedition on Synthetic Methodology of FDA-approved Anticancer Drugs (2018-2021). Anticancer Agents Med Chem 2024; 24:590-626. [PMID: 38288815 DOI: 10.2174/0118715206259585240105051941] [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: 08/16/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 05/29/2024]
Abstract
New drugs being established in the market every year produce specified structures for selective biological targeting. With medicinal insights into molecular recognition, these begot molecules open new rooms for designing potential new drug molecules. In this review, we report the compilation and analysis of a total of 56 drugs including 33 organic small molecules (Mobocertinib, Infigratinib, Sotorasib, Trilaciclib, Umbralisib, Tepotinib, Relugolix, Pralsetinib, Decitabine, Ripretinib, Selpercatinib, Capmatinib, Pemigatinib, Tucatinib, Selumetinib, Tazemetostat, Avapritinib, Zanubrutinib, Entrectinib, Pexidartinib, Darolutamide, Selinexor, Alpelisib, Erdafitinib, Gilteritinib, Larotrectinib, Glasdegib, Lorlatinib, Talazoparib, Dacomitinib, Duvelisib, Ivosidenib, Apalutamide), 6 metal complexes (Edotreotide Gallium Ga-68, fluoroestradiol F-18, Cu 64 dotatate, Gallium 68 PSMA-11, Piflufolastat F-18, 177Lu (lutetium)), 16 macromolecules as monoclonal antibody conjugates (Brentuximabvedotin, Amivantamab-vmjw, Loncastuximabtesirine, Dostarlimab, Margetuximab, Naxitamab, Belantamabmafodotin, Tafasitamab, Inebilizumab, SacituzumabGovitecan, Isatuximab, Trastuzumab, Enfortumabvedotin, Polatuzumab, Cemiplimab, Mogamulizumab) and 1 peptide enzyme (Erwiniachrysanthemi-derived asparaginase) approved by the U.S. FDA between 2018 to 2021. These drugs act as anticancer agents against various cancer types, especially non-small cell lung, lymphoma, breast, prostate, multiple myeloma, neuroendocrine tumor, cervical, bladder, cholangiocarcinoma, myeloid leukemia, gastrointestinal, neuroblastoma, thyroid, epithelioid and cutaneous squamous cell carcinoma. The review comprises the key structural features, approval times, target selectivity, mechanisms of action, therapeutic indication, formulations, and possible synthetic approaches of these approved drugs. These crucial details will benefit the scientific community for futuristic new developments in this arena.
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Affiliation(s)
- S Vishakha
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - N Navneesh
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Balak Das Kurmi
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Ghanshyam Das Gupta
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Sant Kumar Verma
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Ankit Jain
- Department of Pharmaceutical Sciences, Texas A & M University, Kingsville, 78363, Texas, United States of America
| | - Preeti Patel
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy, Moga, 142001, Punjab, India
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10
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Li G, Shi S, Qian J, Norton JR, Xu GX, Liu JR, Hong X. Kinetics of H· Transfer from CpCr(CO) 3H to Various Enamides: Application to Construction of Pyrrolidines. JACS AU 2023; 3:3366-3373. [PMID: 38155656 PMCID: PMC10751771 DOI: 10.1021/jacsau.3c00529] [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: 09/07/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 12/30/2023]
Abstract
The rate constants kH (kD) have been determined at 27 °C for H· (D·) transfer from CpCr(CO)3H(D) to the C=C bonds of various enamides. This process leads to the formation of α-amino radicals. Vinyl enamides with N-alkyl and N-phenyl substituents have proven to be good H· acceptors, with rate constants close to those of styrene and methyl methacrylate. A methyl substituent on the incipient radical site decreases kH by a factor of 4; a methyl substituent on the carbon that will receive the H· decreases kH by a factor of 380. The measured kH values indicate that these α-amino radicals can be used for the cyclization of enamides to pyrrolidines. A vanadium hydride, HV(CO)4(dppe), has proven more effective at the cyclization of enamides than Cr or Co hydrides-presumably because the weakness of the V-H bond leads to faster H· transfer. The use of the vanadium hydride is operationally simple, employs mild reaction conditions, and has a broad substrate scope. Calculations have confirmed that H· transfer is the slowest step in these cyclization reactions.
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Affiliation(s)
- Guangchen Li
- Department
of Chemistry, Columbia University, 3000 Broadway, New York, New York 10027, United States
| | - Shicheng Shi
- Department
of Chemistry, Columbia University, 3000 Broadway, New York, New York 10027, United States
| | - Jin Qian
- Department
of Chemistry, Columbia University, 3000 Broadway, New York, New York 10027, United States
| | - Jack R. Norton
- Department
of Chemistry, Columbia University, 3000 Broadway, New York, New York 10027, United States
| | - Guo-Xiong Xu
- Center
of Chemistry for Frontier Technologies, Department of Chemistry, State
Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
| | - Ji-Ren Liu
- Center
of Chemistry for Frontier Technologies, Department of Chemistry, State
Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
| | - Xin Hong
- Center
of Chemistry for Frontier Technologies, Department of Chemistry, State
Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
- Beijing
National Laboratory for Molecular Sciences, Zhongguancun North First Street No. 2, Beijing 100190, P.R. China
- Key
Laboratory of Precise Synthesis of Functional Molecules of Zhejiang
Province, School of Science, Westlake University, 18 Shilongshan Road, Hangzhou 310024, Zhejiang Province , China
- State
Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen 361005, P.R. China
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11
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Zhang JY, Wang YT, Sun L, Wang SQ, Chen ZS. Synthesis and clinical application of new drugs approved by FDA in 2022. MOLECULAR BIOMEDICINE 2023; 4:26. [PMID: 37661221 PMCID: PMC10475455 DOI: 10.1186/s43556-023-00138-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 07/24/2023] [Indexed: 09/05/2023] Open
Abstract
The pharmaceutical industry had a glorious year in 2022, with a total of 37 new drugs including 20 new chemical entities (NCEs) and 17 new biological entities (NBEs) approved by the Food and Drug Administration (FDA). These drugs are mainly concentrated in oncology, central nervous system, antiinfection, hematology, cardiomyopathy, dermatology, digestive system, ophthalmology, MRI enhancer and other therapeutic fields. Of the 37 drugs, 25 (68%) were approved through an expedited review pathway, and 19 (51%) were approved to treat rare diseases. These newly listed drugs have unique structures and new mechanisms of action, which can serve as lead compounds for designing new drugs with similar biological targets and enhancing therapeutic efficacy. This review aims to outline the clinical applications and synthetic methods of 19 NCEs newly approved by the FDA in 2022, but excludes contrast agent (Xenon Xe-129). We believe that an in-depth understanding of the synthetic methods of drug molecules will provide innovative and practical inspiration for the development of new, more effective, and practical synthetic techniques. According to the therapeutic areas of these 2022 FDA-approved drugs, we have classified these 19 NCEs into seven categories and will introduce them in the order of their approval for marketing.
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Affiliation(s)
- Jing-Yi Zhang
- College of Chemistry and Chemical Engineering, Zhengzhou Normal University, Zhengzhou, 450044, China
| | - Ya-Tao Wang
- First People's Hospital of Shangqiu, Henan Province, Shangqiu, 476100, China
- Henan Engineering Research Center of Precision Therapy of Gastrointestinal Cancer, Zhengzhou Key Laboratory for Precision Therapy of Gastrointestinal Cancer, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008, China
| | - Lu Sun
- Henan Engineering Research Center of Precision Therapy of Gastrointestinal Cancer, Zhengzhou Key Laboratory for Precision Therapy of Gastrointestinal Cancer, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008, China.
- Zhongshan Hospital Affiliated to Dalian University, Dalian, 116001, China.
| | - Sai-Qi Wang
- Henan Engineering Research Center of Precision Therapy of Gastrointestinal Cancer, Zhengzhou Key Laboratory for Precision Therapy of Gastrointestinal Cancer, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008, China.
| | - Zhe-Sheng Chen
- College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA.
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12
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McInturff EL, France SP, Leverett CA, Flick AC, Lindsey EA, Berritt S, Carney DW, DeForest JC, Ding HX, Fink SJ, Gibson TS, Gray K, Hubbell AK, Johnson AM, Liu Y, Mahapatra S, McAlpine IJ, Watson RB, O'Donnell CJ. Synthetic Approaches to the New Drugs Approved During 2021. J Med Chem 2023; 66:10150-10201. [PMID: 37528515 DOI: 10.1021/acs.jmedchem.3c00501] [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: 08/03/2023]
Abstract
Each year, new drugs are introduced to the market, representing structures that have affinity for biological targets implicated in human diseases and conditions. These new chemical entities (NCEs), particularly small molecules and antibody-drug conjugates, provide insight into molecular recognition and serve as potential leads for the design of future medicines. This annual review is part of a continuing series highlighting the most likely process-scale synthetic approaches to 35 NCEs that were first approved anywhere in the world during 2021.
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Affiliation(s)
- Emma L McInturff
- Groton Laboratories, Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Scott P France
- Process Research & Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Carolyn A Leverett
- Groton Laboratories, Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Andrew C Flick
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Erick A Lindsey
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Simon Berritt
- Groton Laboratories, Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Daniel W Carney
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Jacob C DeForest
- La Jolla Laboratories, Pfizer Worldwide Research and Development, 10777 Science Center Drive, San Diego, California 92121, United States
| | - Hong X Ding
- Pharmacodia (Beijing) Co. Ltd., Beijing, 100085, China
| | - Sarah J Fink
- Takeda Pharmaceuticals, 125 Binney Street, Cambridge, Massachusetts 02142, United States
| | - Tony S Gibson
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Kaitlyn Gray
- Groton Laboratories, Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Aran K Hubbell
- Groton Laboratories, Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Amber M Johnson
- Groton Laboratories, Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Yiyang Liu
- Groton Laboratories, Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Subham Mahapatra
- Groton Laboratories, Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Indrawan J McAlpine
- Genesis Therapeutics, 11568 Sorrento Valley Road, Suite 8, San Diego, California 92121, United States
| | - Rebecca B Watson
- La Jolla Laboratories, Pfizer Worldwide Research and Development, 10777 Science Center Drive, San Diego, California 92121, United States
| | - Christopher J O'Donnell
- Groton Laboratories, Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
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13
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Lu X, Huang G, Ye J, Bashir MA, Su J, Yang K, Liang F, Xu X. Hypervalent Iodine-Mediated Synthesis of Sulfinimidate Esters from Sulfenamides. Org Lett 2023; 25:2151-2156. [PMID: 36946517 DOI: 10.1021/acs.orglett.3c00678] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
In this study, we present a novel and efficient approach for the oxidative esterification of sulfenamides using phenyliodonium diacetate, enabling the synthesis of sulfinimidate esters and sulfilimines under mild and metal-free conditions, with yields reaching up to 99%. The protocol is readily scalable and compatible with a diverse range of substrates and functional groups, and we demonstrate its potential for late-stage functionalization of pharmacologically relevant molecules. Furthermore, we propose a plausible reaction mechanism to account for the observed sequence of events.
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Affiliation(s)
- Xunbo Lu
- School of Chemistry and Chemical Engineering, Laboratory of Marine Green Fine Chemicals, Lingnan Normal University (LNU), 29 Cunjin Road, Zhanjiang, Guangdong 524048, People's Republic of China
| | - Guoling Huang
- School of Chemistry and Chemical Engineering, Laboratory of Marine Green Fine Chemicals, Lingnan Normal University (LNU), 29 Cunjin Road, Zhanjiang, Guangdong 524048, People's Republic of China
| | - Jianlin Ye
- School of Chemistry and Chemical Engineering, Laboratory of Marine Green Fine Chemicals, Lingnan Normal University (LNU), 29 Cunjin Road, Zhanjiang, Guangdong 524048, People's Republic of China
| | - Muhammad Adnan Bashir
- Peking University ShenZhen Graduate School, Shenzhen, Guangdong 518055, People's Republic of China
| | - Jianfang Su
- School of Chemistry and Chemical Engineering, Laboratory of Marine Green Fine Chemicals, Lingnan Normal University (LNU), 29 Cunjin Road, Zhanjiang, Guangdong 524048, People's Republic of China
| | - Kaiyuan Yang
- School of Chemistry and Chemical Engineering, Laboratory of Marine Green Fine Chemicals, Lingnan Normal University (LNU), 29 Cunjin Road, Zhanjiang, Guangdong 524048, People's Republic of China
| | - Fangpeng Liang
- School of Chemistry and Chemical Engineering, Laboratory of Marine Green Fine Chemicals, Lingnan Normal University (LNU), 29 Cunjin Road, Zhanjiang, Guangdong 524048, People's Republic of China
| | - Xinyu Xu
- School of Chemistry and Chemical Engineering, Laboratory of Marine Green Fine Chemicals, Lingnan Normal University (LNU), 29 Cunjin Road, Zhanjiang, Guangdong 524048, People's Republic of China
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14
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Li H, Hou Y, Peng M, Wang L, Li J, Ning L, Lai Z, Li Y, An J. Reductive Deuteration of Acyl Chlorides for the Synthesis of α, α-Dideuterio Alcohols Using SmI 2 and D 2O. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28010416. [PMID: 36615608 PMCID: PMC9823311 DOI: 10.3390/molecules28010416] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/19/2022] [Accepted: 12/22/2022] [Indexed: 01/06/2023]
Abstract
The synthesis of α,α-dideuterio alcohols has been achieved via single electron transfer reductive deuteration of acyl chlorides using SmI2 and D2O. This method is distinguished by its remarkable functional group tolerance and exquisite deuterium incorporation, which has also been applied to the synthesis of valuable deuterated agrochemicals and their building blocks.
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Affiliation(s)
- Hengzhao Li
- Department of Nutrition and Health, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Yuxia Hou
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Mengqi Peng
- Department of Nutrition and Health, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Lijun Wang
- Department of Nutrition and Health, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Junyu Li
- Department of Nutrition and Health, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Lei Ning
- Department of Nutrition and Health, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Zemin Lai
- Department of Nutrition and Health, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Yixuan Li
- Department of Nutrition and Health, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
- Correspondence: (Y.L.); (J.A.)
| | - Jie An
- Department of Nutrition and Health, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
- Correspondence: (Y.L.); (J.A.)
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15
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Asymmetric organocatalysis: from a breakthrough methodology to sustainable catalysts and processes. Russ Chem Bull 2023. [DOI: 10.1007/s11172-023-3713-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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16
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Lu J, Paci I, Leitch DC. A broadly applicable quantitative relative reactivity model for nucleophilic aromatic substitution (S NAr) using simple descriptors. Chem Sci 2022; 13:12681-12695. [PMID: 36519044 PMCID: PMC9645419 DOI: 10.1039/d2sc04041g] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 10/17/2022] [Indexed: 07/22/2023] Open
Abstract
We report a multivariate linear regression model able to make accurate predictions for the relative rate and regioselectivity of nucleophilic aromatic substitution (SNAr) reactions based on the electrophile structure. This model uses a diverse training/test set from experimentally-determined relative SNAr rates between benzyl alcohol and 74 unique electrophiles, including heterocycles with multiple substitution patterns. There is a robust linear relationship between the experimental SNAr free energies of activation and three molecular descriptors that can be obtained computationally: the electron affinity (EA) of the electrophile; the average molecular electrostatic potential (ESP) at the carbon undergoing substitution; and the sum of average ESP values for the ortho and para atoms relative to the reactive center. Despite using only simple descriptors calculated from ground state wavefunctions, this model demonstrates excellent correlation with previously measured SNAr reaction rates, and is able to accurately predict site selectivity for multihalogenated substrates: 91% prediction accuracy across 82 individual examples. The excellent agreement between predicted and experimental outcomes makes this easy-to-implement reactivity model a potentially powerful tool for synthetic planning.
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Affiliation(s)
- Jingru Lu
- Department of Chemistry, University of Victoria 3800 Finnerty Rd. Victoria BC CANADA V8P 5C2
| | - Irina Paci
- Department of Chemistry, University of Victoria 3800 Finnerty Rd. Victoria BC CANADA V8P 5C2
| | - David C Leitch
- Department of Chemistry, University of Victoria 3800 Finnerty Rd. Victoria BC CANADA V8P 5C2
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17
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Flick AC, Leverett CA, Ding HX, McInturff EL, Fink SJ, Mahapatra S, Carney DW, Lindsey EA, DeForest JC, France SP, Berritt S, Bigi-Botterill SV, Gibson TS, Watson RB, Liu Y, O'Donnell CJ. Synthetic Approaches to the New Drugs Approved During 2020. J Med Chem 2022; 65:9607-9661. [PMID: 35833579 DOI: 10.1021/acs.jmedchem.2c00710] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
New drugs introduced to the market are privileged structures that have affinities for biological targets implicated in human diseases and conditions. These new chemical entities (NCEs), particularly small molecules and antibody-drug conjugates (ADCs), provide insight into molecular recognition and simultaneously function as leads for the design of future medicines. This Review is part of a continuing series presenting the most likely process-scale synthetic approaches to 44 new chemical entities approved for the first time anywhere in the world during 2020.
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Affiliation(s)
- Andrew C Flick
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Carolyn A Leverett
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Hong X Ding
- Pharmacodia (Beijing) Co. Ltd., Beijing 100085, China
| | - Emma L McInturff
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Sarah J Fink
- Takeda Pharmaceuticals, 125 Binney Street, Cambridge, Massachusetts 02142, United States
| | - Subham Mahapatra
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Daniel W Carney
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Erick A Lindsey
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Jacob C DeForest
- Pfizer Worldwide Research and Development, La Jolla Laboratories, 10777 Science Center Drive, San Diego, California 92121, United States
| | - Scott P France
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Simon Berritt
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | | | - Tony S Gibson
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Rebecca B Watson
- Pfizer Worldwide Research and Development, La Jolla Laboratories, 10777 Science Center Drive, San Diego, California 92121, United States
| | - Yiyang Liu
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Christopher J O'Donnell
- Pfizer Worldwide Research and Development, Groton Laboratories, 445 Eastern Point Road, Groton, Connecticut 06340, United States
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18
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Abstract
![]()
Sulfur functional
groups are common motifs in bioactive molecules.
Sulfonamides are most prevalent but related aza-derivatives, in which
oxygen atoms are replaced by imidic nitrogens, such as sulfoximines
and sulfonimidamides, are gaining attraction. Despite this activity,
the double aza-variants of sulfonamides, termed sulfondiimidamides,
are almost completely absent from the literature. The reason for this
is poor synthetic accessibility. Although a recent synthesis has established
sulfondiimidamides as viable motifs, the length of the route and the
capricious nature of the key sulfondiimidoyl fluoride intermediates
mean that direct application to discovery chemistry is challenging.
Herein, we describe a two-step synthesis of sulfondiimidamides, exploiting
a hypervalent iodine-mediated amination as the key step. The starting
materials are organometallic reagents, an unsymmetrical sulfurdiimide,
and amines. The method allowed >40 examples to be prepared, including
derivatives of three sulfonamide-based drugs. The operational simplicity,
broad scope, and concise nature make this route attractive for discovery
chemistry applications.
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Affiliation(s)
- Ze-Xin Zhang
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Charles Bell
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Mingyan Ding
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Michael C Willis
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
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19
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A Comprehensive Overview of Globally Approved JAK Inhibitors. Pharmaceutics 2022; 14:pharmaceutics14051001. [PMID: 35631587 PMCID: PMC9146299 DOI: 10.3390/pharmaceutics14051001] [Citation(s) in RCA: 83] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/22/2022] [Accepted: 04/28/2022] [Indexed: 11/16/2022] Open
Abstract
Janus kinase (JAK) is a family of cytoplasmic non-receptor tyrosine kinases that includes four members, namely JAK1, JAK2, JAK3, and TYK2. The JAKs transduce cytokine signaling through the JAK-STAT pathway, which regulates the transcription of several genes involved in inflammatory, immune, and cancer conditions. Targeting the JAK family kinases with small-molecule inhibitors has proved to be effective in the treatment of different types of diseases. In the current review, eleven of the JAK inhibitors that received approval for clinical use have been discussed. These drugs are abrocitinib, baricitinib, delgocitinib, fedratinib, filgotinib, oclacitinib, pacritinib, peficitinib, ruxolitinib, tofacitinib, and upadacitinib. The aim of the current review was to provide an integrated overview of the chemical and pharmacological data of the globally approved JAK inhibitors. The synthetic routes of the eleven drugs were described. In addition, their inhibitory activities against different kinases and their pharmacological uses have also been explained. Moreover, their crystal structures with different kinases were summarized, with a primary focus on their binding modes and interactions. The proposed metabolic pathways and metabolites of these drugs were also illustrated. To sum up, the data in the current review could help in the design of new JAK inhibitors with potential therapeutic benefits in inflammatory and autoimmune diseases.
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21
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Rodrigalvarez J, Reeve LA, Miró J, Gaunt MJ. Pd(II)-Catalyzed Enantioselective C(sp 3)-H Arylation of Cyclopropanes and Cyclobutanes Guided by Tertiary Alkylamines. J Am Chem Soc 2022; 144:3939-3948. [PMID: 35212219 PMCID: PMC9097487 DOI: 10.1021/jacs.1c11921] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Strained aminomethyl-cycloalkanes are a recurrent scaffold in medicinal chemistry due to their unique structural features that give rise to a range of biological properties. Here, we report a palladium-catalyzed enantioselective C(sp3)-H arylation of aminomethyl-cyclopropanes and -cyclobutanes with aryl boronic acids. A range of native tertiary alkylamine groups are able to direct C-H cleavage and forge carbon-aryl bonds on the strained cycloalkanes framework as single diastereomers and with excellent enantiomeric ratios. Central to the success of this strategy is the use of a simple N-acetyl amino acid ligand, which not only controls the enantioselectivity but also promotes γ-C-H activation of over other pathways. Computational analysis of the cyclopalladation step provides an understanding of how enantioselective C-H cleavage occurs and revealed distinct transition structures to our previous work on enantioselective desymmetrization of N-isobutyl tertiary alkylamines. This straightforward and operationally simple method simplifies the construction of functionalized aminomethyl-strained cycloalkanes, which we believe will find widespread use in academic and industrial settings relating to the synthesis of biologically active small molecules.
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Affiliation(s)
- Jesus Rodrigalvarez
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Luke A Reeve
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Javier Miró
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Matthew J Gaunt
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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22
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Stivanin ML, Gallo RDC, Spadeo JPM, Cormanich RA, Jurberg ID. A Visible Light-Mediated Three-Component Strategy Based on the Ring-Opening of Cyclic Ethers with Aryldiazoacetates and Nucleophiles. Org Chem Front 2022. [DOI: 10.1039/d1qo01780b] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A blue light-promoted reaction between aryldiazoacetates and different nucleophiles has been developed in the presence of THF (and other cyclic ethers) as solvent, allowing the incorporation of these three elements...
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23
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Feng S, Ren B, Li L, Xia F, Tang Z, Zhang Y, Liu X, Lu Q, Zhong W. Highly Efficient Ruthenium-Catalyzed Asymmetric Hydrogenation of N-Heteroaryl Vinyl Ethers. Org Chem Front 2022. [DOI: 10.1039/d2qo00448h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly efficient N-heteroaryl-directed Ru-catalyzed asymmetric hydrogenation of α,α-disubstituted vinyl ethers is successfully achieved by using commercially available ligand (R/S)-RuCl[(p-cymene)(BINAP)]Cl. Hundred-gram scale-up of 6b has been successfully completed with consistent ee...
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24
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Ötvös SB, Kappe CO. Continuous flow asymmetric synthesis of chiral active pharmaceutical ingredients and their advanced intermediates. GREEN CHEMISTRY : AN INTERNATIONAL JOURNAL AND GREEN CHEMISTRY RESOURCE : GC 2021; 23:6117-6138. [PMID: 34671222 PMCID: PMC8447942 DOI: 10.1039/d1gc01615f] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 08/03/2021] [Indexed: 06/13/2023]
Abstract
Catalytic enantioselective transformations provide well-established and direct access to stereogenic synthons that are broadly distributed among active pharmaceutical ingredients (APIs). These reactions have been demonstrated to benefit considerably from the merits of continuous processing and microreactor technology. Over the past few years, continuous flow enantioselective catalysis has grown into a mature field and has found diverse applications in asymmetric synthesis of pharmaceutically active substances. The present review therefore surveys flow chemistry-based approaches for the synthesis of chiral APIs and their advanced stereogenic intermediates, covering the utilization of biocatalysis, organometallic catalysis and metal-free organocatalysis to introduce asymmetry in continuously operated systems. Single-step processes, interrupted multistep flow syntheses, combined batch/flow processes and uninterrupted one-flow syntheses are discussed herein.
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Affiliation(s)
- Sándor B Ötvös
- Institute of Chemistry, University of Graz, NAWI Graz Heinrichstrasse 28 A-8010 Graz Austria
- Center for Continuous Flow Synthesis and Processing (CC FLOW), Research Center Pharmaceutical Engineering GmbH (RCPE) Inffeldgasse 13 A-8010 Graz Austria
| | - C Oliver Kappe
- Institute of Chemistry, University of Graz, NAWI Graz Heinrichstrasse 28 A-8010 Graz Austria
- Center for Continuous Flow Synthesis and Processing (CC FLOW), Research Center Pharmaceutical Engineering GmbH (RCPE) Inffeldgasse 13 A-8010 Graz Austria
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