1
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Allais C, Bernhardson D, Brown AR, Chinigo GM, Desrosiers JN, DiRico KJ, Hotham I, Jones BP, Kulkarni SA, Lewis CA, Lira R, Loach RP, Morse PD, Mousseau JJ, Perry MA, Peng Z, Place DW, Rane AM, Samp L, Singer RA, Wang Z, Weisenburger GA, Yayla HG, Zanghi JM. Early Clinical Development of Lufotrelvir as a Potential Therapy for COVID-19. Org Process Res Dev 2023:acs.oprd.2c00375. [PMID: 37552749 PMCID: PMC9924092 DOI: 10.1021/acs.oprd.2c00375] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Indexed: 02/05/2023]
Abstract
Lufotrelvir was designed as a first in class 3CL protease inhibitor to treat COVID-19. Development of lufotrelvir was challenged by its relatively poor stability due to its propensity to epimerize and degrade. Key elements of process development included improvement of the supply routes to the indole and lactam fragments, a Claisen addition to homologate the lactam, and a subsequent phosphorylation reaction to prepare the prodrug as well as identification of a DMSO solvated form of lufotrelvir to enable long-term storage. As a new approach to preparing the indole fragment, a Cu-catalyzed C-O coupling using oxalamide ligands was demonstrated. The control of process-related impurities was essential to accommodate the parenteral formulation. Isolation of an MEK solvate followed by the DMSO solvate ensured that all impurities were controlled appropriately.
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Affiliation(s)
- Christophe Allais
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - David Bernhardson
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Adam R. Brown
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Gary M. Chinigo
- Medicine Design, Pfizer
Inc., Groton, Connecticut06340, United States
| | | | - Kenneth J. DiRico
- Medicine Design, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Ian Hotham
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Brian P. Jones
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Samir A. Kulkarni
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Chad A. Lewis
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Ricardo Lira
- Medicine Design, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Richard P. Loach
- Medicine Design, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Peter D. Morse
- Medicine Design, Pfizer
Inc., Groton, Connecticut06340, United States
| | - James J. Mousseau
- Medicine Design, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Matthew A. Perry
- Medicine Design, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Zhihui Peng
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - David W. Place
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Anil M. Rane
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Lacey Samp
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Robert A. Singer
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Zheng Wang
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
| | | | - Hatice G. Yayla
- Medicine Design, Pfizer
Inc., Groton, Connecticut06340, United States
| | - Joseph M. Zanghi
- Chemical Research and Development, Pfizer
Inc., Groton, Connecticut06340, United States
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2
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Yu M, Jiang Q, Liu X, Chen Y, Sun K, Tian M, Wang W. Regiospecificity C(sp 2)-C(sp 3) Bond Construction between Purines and Alkenes to Synthesize C 6-Alkylpurines and Purine Nucleosides Using O 2 as the Oxidant. J Org Chem 2023; 88:1411-1423. [PMID: 36634372 DOI: 10.1021/acs.joc.2c02277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
A highly site-selective and Markovnikov-type radical C6-H alkylation of purines with alkenes is achieved, allowing fast construction of the C(sp2)-C(sp3) bond at the C-6-position of purines and purine nucleosides using O2 as a green oxidant and alkenes as cheap alkylation reagents. The route was also a radical route to synthesize C6-alkyl-N7-substituted purines with potential steric hindrance between C6-alkyl groups and N7-substituted groups. This reaction is easily scaled up and has excellent functional group compatibility and broad substrate scopes. Moreover, the unstable intermediate was also separated, which was the key evidence for the reaction mechanism.
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Affiliation(s)
- Mingwu Yu
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, P. R. China
| | - Qingsong Jiang
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, P. R. China
| | - Xiguang Liu
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, P. R. China
| | - Yiwen Chen
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, P. R. China
| | - Kai Sun
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264025, Shandong, P. R. China
| | - Miao Tian
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264025, Shandong, P. R. China
| | - Weili Wang
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, P. R. China
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3
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Iqbal Z, Sun J, Yang H, Ji J, He L, Zhai L, Ji J, Zhou P, Tang D, Mu Y, Wang L, Yang Z. Recent Developments to Cope the Antibacterial Resistance via β-Lactamase Inhibition. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27123832. [PMID: 35744953 PMCID: PMC9227086 DOI: 10.3390/molecules27123832] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/06/2022] [Accepted: 06/09/2022] [Indexed: 12/01/2022]
Abstract
Antibacterial resistance towards the β-lactam (BL) drugs is now ubiquitous, and there is a major global health concern associated with the emergence of new β-lactamases (BLAs) as the primary cause of resistance. In addition to the development of new antibacterial drugs, β-lactamase inhibition is an alternative modality that can be implemented to tackle this resistance channel. This strategy has successfully revitalized the efficacy of a number of otherwise obsolete BLs since the discovery of the first β-lactamase inhibitor (BLI), clavulanic acid. Over the years, β-lactamase inhibition research has grown, leading to the introduction of new synthetic inhibitors, and a few are currently in clinical trials. Of note, the 1, 6-diazabicyclo [3,2,1]octan-7-one (DBO) scaffold gained the attention of researchers around the world, which finally culminated in the approval of two BLIs, avibactam and relebactam, which can successfully inhibit Ambler class A, C, and D β-lactamases. Boronic acids have shown promise in coping with Ambler class B β-lactamases in recent research, in addition to classes A, C, and D with the clinical use of vaborbactam. This review focuses on the further developments in the synthetic strategies using DBO as well as boronic acid derivatives. In addition, various other potential serine- and metallo- β-lactamases inhibitors that have been developed in last few years are discussed briefly as well. Furthermore, binding interactions of the representative inhibitors have been discussed based on the crystal structure data of inhibitor-enzyme complex, published in the literature.
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Affiliation(s)
| | - Jian Sun
- Correspondence: (Z.I.); (J.S.); (Z.Y.)
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4
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Kim J, Itoh T, Xu F, Dance ZEX, Waldman JH, Wallace DJ, Wu F, Kats-Kagan R, Ekkati AR, Brunskill APJ, Peng F, Fier PS, Obligacion JV, Sherry BD, Liu Z, Emerson KM, Fine AJ, Jenks AV, Armenante ME. Development of a Practical Manufacturing Process to Relebactam via Thorough Understanding of the Origin and Control of Oligomeric Impurities. Org Process Res Dev 2021. [DOI: 10.1021/acs.oprd.1c00149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jungchul Kim
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Tetsuji Itoh
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Feng Xu
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Zachary E. X. Dance
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Jacob H. Waldman
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Debra J. Wallace
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Feiyue Wu
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Roman Kats-Kagan
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Anil R. Ekkati
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Andrew P. J. Brunskill
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Feng Peng
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Patrick S. Fier
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Jennifer V. Obligacion
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Benjamin D. Sherry
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Zhijian Liu
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Khateeta M. Emerson
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Adam J. Fine
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Anna V. Jenks
- Process Research & Development, MRL, Merck & Co., Inc., P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Marco Euclide Armenante
- Chemical Commercialization Technology, Merck & Co., Inc., Rahway, New Jersey 07065, United States
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5
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Flick AC, Leverett CA, Ding HX, McInturff E, Fink SJ, Mahapatra S, Carney DW, Lindsey EA, DeForest JC, France SP, Berritt S, Bigi-Botterill SV, Gibson TS, Liu Y, O'Donnell CJ. Synthetic Approaches to the New Drugs Approved during 2019. J Med Chem 2021; 64:3604-3657. [PMID: 33783211 DOI: 10.1021/acs.jmedchem.1c00208] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [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 having affinities 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 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 40 NCEs approved for the first time anywhere in the world in 2019.
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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, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Hong X Ding
- Pharmacodia (Beijing) Co., Ltd., Beijing 100085, China
| | - Emma McInturff
- Pfizer Worldwide Research and Development, 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, 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, 10777 Science Center Drive, San Diego, California 92121, United States
| | - Scott P France
- Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Simon Berritt
- Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | | | - Tony S Gibson
- Takeda Pharmaceuticals, 9625 Towne Centre Drive, San Diego, California 92121, United States
| | - Yiyang Liu
- Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
| | - Christopher J O'Donnell
- Pfizer Worldwide Research and Development, 445 Eastern Point Road, Groton, Connecticut 06340, United States
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6
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New drug approvals for 2019: Synthesis and clinical applications. Eur J Med Chem 2020; 205:112667. [DOI: 10.1016/j.ejmech.2020.112667] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 07/13/2020] [Accepted: 07/13/2020] [Indexed: 12/17/2022]
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7
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Wilde JH, Dickie DA, Harman WD. A Highly Divergent Synthesis of 3-Aminotetrahydropyridines. J Org Chem 2020; 85:8245-8252. [PMID: 32434325 DOI: 10.1021/acs.joc.0c00853] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Dihapto-coordinate 1,2-dihydropyridine complexes of the metal fragment {WTp(NO)(PMe3)} (Tp = tris(pyrazolyl)borate), derived from pyridine, are demonstrated to undergo protonation at C6 followed by regioselective amination at C5 with a variety of primary and secondary amines. The addition takes place stereoselectively anti to the metal center, producing exclusively cis-disubstituted products. The resulting 1,2,5,6-tetrahydropyridines can be successfully liberated by oxidation, providing a route to novel molecules of potential medicinal interest.
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Affiliation(s)
- Justin H Wilde
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Diane A Dickie
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
| | - W Dean Harman
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
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8
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Peilleron L, Cariou K. Synthetic approaches towards avibactam and other diazabicyclooctane β-lactamase inhibitors. Org Biomol Chem 2020; 18:830-844. [DOI: 10.1039/c9ob02605c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthetic strategies to obtain avibactam and other diazabicyclooctane β-lactamase inhibitors such as ETX2514 are presented.
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Affiliation(s)
- Laure Peilleron
- Université Paris-Saclay
- CNRS
- Institut de Chimie des Substances Naturelles
- Gif-sur-Yvette
- France
| | - Kevin Cariou
- Université Paris-Saclay
- CNRS
- Institut de Chimie des Substances Naturelles
- Gif-sur-Yvette
- France
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9
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Bisag GD, Ruggieri S, Fochi M, Bernardi L. Sulfoxonium ylides: simple compounds with chameleonic reactivity. Org Biomol Chem 2020; 18:8793-8809. [DOI: 10.1039/d0ob01822h] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Sulfoxonium ylides, manageable compounds with an appealing safety profile, adapt to reaction partners like chameleons to their environment, resulting in a variety of useful, and sometimes surprising and unique, reactions.
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Affiliation(s)
- Giorgiana Denisa Bisag
- Department of Industrial Chemistry “Toso Montanari” & INSTM RU Bologna
- Alma Mater Studiorum – University of Bologna
- 40136 Bologna
- Italy
| | - Silvia Ruggieri
- Department of Industrial Chemistry “Toso Montanari” & INSTM RU Bologna
- Alma Mater Studiorum – University of Bologna
- 40136 Bologna
- Italy
| | - Mariafrancesca Fochi
- Department of Industrial Chemistry “Toso Montanari” & INSTM RU Bologna
- Alma Mater Studiorum – University of Bologna
- 40136 Bologna
- Italy
| | - Luca Bernardi
- Department of Industrial Chemistry “Toso Montanari” & INSTM RU Bologna
- Alma Mater Studiorum – University of Bologna
- 40136 Bologna
- Italy
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