1
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Cole AG, Kultgen SG, Mani N, Quintero JG, Yi Fan K, Ardzinski A, Stever K, Dorsey BD, Phelps JR, Lee ACH, Thi EP, Chiu T, Tang S, Horanyi PS, Mayclin SJ, Harasym TO, Sofia MJ. Design, synthesis, and structure-activity relationship of a bicyclic HBV capsid assembly modulator chemotype leading to the identification of clinical candidate AB-506. Bioorg Med Chem Lett 2023; 94:129456. [PMID: 37633618 DOI: 10.1016/j.bmcl.2023.129456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/15/2023] [Accepted: 08/22/2023] [Indexed: 08/28/2023]
Abstract
Disruption of the HBV capsid assembly process through small-molecule interaction with HBV core protein is a validated target for the suppression of hepatitis B viral replication and the development of new antivirals. Through combination of key structural features associated with two distinct series of capsid assembly modulators, a novel aminochroman-based chemotype was identified. Optimization of anti-HBV potency through generation of SAR in addition to further core modifications provided a series of related functionalized aminoindanes. Key compounds demonstrated excellent cellular potency in addition to favorable ADME and pharmacokinetic profiles and were shown to be highly efficacious in a mouse model of HBV replication. Aminoindane derivative AB-506 was subsequently advanced into clinical development.
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Affiliation(s)
- Andrew G Cole
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA.
| | - Steven G Kultgen
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Nagraj Mani
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Jorge G Quintero
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Kristi Yi Fan
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Andrzej Ardzinski
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Kim Stever
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Bruce D Dorsey
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Janet R Phelps
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Amy C H Lee
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Emily P Thi
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Tim Chiu
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Sunny Tang
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Peter S Horanyi
- UCB Pharma, 87 Cambridge Park Drive, Cambridge, MA 02140, USA
| | | | - Troy O Harasym
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
| | - Michael J Sofia
- Arbutus Biopharma, Inc., 701 Veterans Circle, Warminster, PA 18974, USA
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2
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Suh SE, Nkulu LE, Lin S, Krska SW, Stahl SS. Benzylic C-H isocyanation/amine coupling sequence enabling high-throughput synthesis of pharmaceutically relevant ureas. Chem Sci 2021; 12:10380-10387. [PMID: 34377424 PMCID: PMC8336431 DOI: 10.1039/d1sc02049h] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 06/28/2021] [Indexed: 12/29/2022] Open
Abstract
C(sp3)–H functionalization methods provide an ideal synthetic platform for medicinal chemistry; however, such methods are often constrained by practical limitations. The present study outlines a C(sp3)–H isocyanation protocol that enables the synthesis of diverse, pharmaceutically relevant benzylic ureas in high-throughput format. The operationally simple C–H isocyanation method shows high site selectivity and good functional group tolerance, and uses commercially available catalyst components and reagents [CuOAc, 2,2′-bis(oxazoline) ligand, (trimethylsilyl)isocyanate, and N-fluorobenzenesulfonimide]. The isocyanate products may be used without isolation or purification in a subsequent coupling step with primary and secondary amines to afford hundreds of diverse ureas. These results provide a template for implementation of C–H functionalization/cross-coupling in drug discovery. A copper-based catalyst system composed of commercially available reagents enables C–H isocyanation with exquisite (hetero)benzylic site selectivity, enabling high-throughput access to pharmaceutically relevant ureas via coupling with amines.![]()
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Affiliation(s)
- Sung-Eun Suh
- Department of Chemistry, University of Wisconsin-Madison 1101 University Avenue Madison Wisconsin 53706 USA
| | - Leah E Nkulu
- Department of Chemistry, University of Wisconsin-Madison 1101 University Avenue Madison Wisconsin 53706 USA
| | - Shishi Lin
- Chemistry Capabilities for Accelerating Therapeutics, Merck & Co., Inc. 2000 Galloping Hill Road Kenilworth New Jersey 07033 USA
| | - Shane W Krska
- Chemistry Capabilities for Accelerating Therapeutics, Merck & Co., Inc. 2000 Galloping Hill Road Kenilworth New Jersey 07033 USA
| | - Shannon S Stahl
- Department of Chemistry, University of Wisconsin-Madison 1101 University Avenue Madison Wisconsin 53706 USA
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3
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Yamada M, Azuma K, Yamano M. Highly Enantioselective Direct Asymmetric Reductive Amination of 2-Acetyl-6-Substituted Pyridines. Org Lett 2021; 23:3364-3367. [PMID: 33891422 DOI: 10.1021/acs.orglett.1c00848] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A highly direct asymmetric reductive amination of a variety of ketone substrates, including 2-acetyl-6-substituted pyridines, β-keto esters, β-keto amides, and 1-(6-methylpyridin-2-yl)propan-2-one, has been disclosed for the first time (94.6% to >99.9% ee). With ammonium trifluoroacetate as the nitrogen source, various chiral corresponding primary amines were prepared in excellent enantioselectivity and conversion in the presence of a commercially available and inexpensive chiral catalyst, Ru(OAc)2{(S)-binap}, under 0.8 MPa of hydrogen gas pressure.
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Affiliation(s)
- Masatoshi Yamada
- Process Chemistry, Pharmaceutical Sciences, Takeda Pharmaceutical Company Limited, 17-85, Jusohonmachi 2-chome, Yodogawa-ku, Osaka 532-0024, Japan
| | - Kazuki Azuma
- Process Chemistry, Pharmaceutical Sciences, Takeda Pharmaceutical Company Limited, 17-85, Jusohonmachi 2-chome, Yodogawa-ku, Osaka 532-0024, Japan
| | - Mitsuhisa Yamano
- Process Chemistry, Pharmaceutical Sciences, Takeda Pharmaceutical Company Limited, 17-85, Jusohonmachi 2-chome, Yodogawa-ku, Osaka 532-0024, Japan
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4
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Jiao LY, Peng XH, Wang ZL, Jia N, Li Z. When phosphoryl azide meets mechanochemistry: clean, rapid, and efficient synthesis of phosphoryl amides under B(C6F5)3 catalysis in a ball mill. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01314a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
We described herein the first example associated with B(C6F5)3-catalyzed preparation of phosphoryl amides under mechanochemical conditions.
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Affiliation(s)
- Lin-Yu Jiao
- School of Chemical Engineering, Northwest University, Xi'an, Shaanxi, 710069, P. R. China
- International Scientific and Technological Cooperation Base for Clean Utilization of Hydrocarbon Resources, Chemical Engineering Research Center of the Ministry of Education for Advance Use Technology of Shanbei Energy, Shaanxi Research Center of Engineering Technology for Clean Coal Conversion, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Xi'an, Shaanxi, 710069, P. R. China
| | - Xin-Hua Peng
- School of Chemical Engineering, Northwest University, Xi'an, Shaanxi, 710069, P. R. China
| | - Ze-Lin Wang
- School of Chemical Engineering, Northwest University, Xi'an, Shaanxi, 710069, P. R. China
| | - Nan Jia
- School of Chemical Engineering, Northwest University, Xi'an, Shaanxi, 710069, P. R. China
| | - Zhuo Li
- School of Chemical Engineering, Northwest University, Xi'an, Shaanxi, 710069, P. R. China
- International Scientific and Technological Cooperation Base for Clean Utilization of Hydrocarbon Resources, Chemical Engineering Research Center of the Ministry of Education for Advance Use Technology of Shanbei Energy, Shaanxi Research Center of Engineering Technology for Clean Coal Conversion, Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi, Xi'an, Shaanxi, 710069, P. R. China
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5
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Achuenu C, Carret S, Poisson J, Berthiol F. Application of Chiral Sulfinamides into Formation and Reduction of Sulfinylketimines to Obtain Valuable α‐Chiral Primary Amines. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000608] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Chukuka Achuenu
- Département de Chimie Moléculaire (SERCO) UMR CNRS‐UGA5250, ICMG FR‐2607 Université Grenoble Alpes 301 Rue de la Chimie, BP 53 38058 Grenoble Cedex 9 France
| | - Sébastien Carret
- Département de Chimie Moléculaire (SERCO) UMR CNRS‐UGA5250, ICMG FR‐2607 Université Grenoble Alpes 301 Rue de la Chimie, BP 53 38058 Grenoble Cedex 9 France
| | - Jean‐François Poisson
- Département de Chimie Moléculaire (SERCO) UMR CNRS‐UGA5250, ICMG FR‐2607 Université Grenoble Alpes 301 Rue de la Chimie, BP 53 38058 Grenoble Cedex 9 France
| | - Florian Berthiol
- Département de Chimie Moléculaire (SERCO) UMR CNRS‐UGA5250, ICMG FR‐2607 Université Grenoble Alpes 301 Rue de la Chimie, BP 53 38058 Grenoble Cedex 9 France
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6
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Wang Y, Shi Y, Tian WS, Tang P, Zhuang C, Chen FE. Stereoselective Synthesis of (-)-Verazine and Congeners via a Cascade Ring-Switching Process of Furostan-26-acid. Org Lett 2020; 22:2761-2765. [PMID: 32202118 DOI: 10.1021/acs.orglett.0c00747] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
An efficient synthetic strategy for three natural seco-type cholestane alkaloids isolated from the Veratrum plants, based on commercially available naturally occurring and abundant (-)-diosgenin (1), as exemplified in the concise asymmetric synthesis of (-)-verazine (4), (-)-veramiline (5) (proposed structure), and its 22-epimer, (-)-oblonginine (6), is presented. This work highlights the application of a cascade ring-switching process of (-)-diosgenin to achieve the E-ring opening and construction of chiral six-membered lactone challenges in seco-type cholestane alkaloid synthesis. This approach enables the synthesis of related natural and nature-like novel cholestane alkaloids, opening up opportunities for more extensive exploration of cholestane alkaloid biology.
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Affiliation(s)
- Yun Wang
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, Shanghai 200433, China.,Shanghai Engineering Center of Industrial Asymmetric Catalysis for Chiral Drugs, Shanghai 200433, China
| | - Yong Shi
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Wei-Sheng Tian
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Pei Tang
- West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Chunlin Zhuang
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, Shanghai 200433, China.,Shanghai Engineering Center of Industrial Asymmetric Catalysis for Chiral Drugs, Shanghai 200433, China
| | - Fen-Er Chen
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, Shanghai 200433, China.,Shanghai Engineering Center of Industrial Asymmetric Catalysis for Chiral Drugs, Shanghai 200433, China.,West China School of Pharmacy, Sichuan University, Chengdu 610041, China
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7
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Tsukanov SV, Johnson MD, May SA, Rosemeyer M, Watkins MA, Kolis SP, Yates MH, Johnston JN. Development of an Intermittent-Flow Enantioselective Aza-Henry Reaction Using an Arylnitromethane and Homogeneous Brønsted Acid-Base Catalyst with Recycle. Org Process Res Dev 2016; 20:215-226. [PMID: 27065720 PMCID: PMC4821467 DOI: 10.1021/acs.oprd.5b00245] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A stereoselective aza-Henry reaction between an arylnitromethane and Boc-protected aryl aldimine using a homogeneous Brønsted acid-base catalyst was translated from batch format to an automated intermittent-flow process. This work demonstrates the advantages of a novel intermittent-flow setup with product crystallization and slow reagent addition which is not amenable to the standard continuous equipment: plug flow tube reactor (PFR) or continuous stirred tank reactor (CSTR). A significant benefit of this strategy was the integration of an organocatalytic enantioselective reaction with straightforward product separation, including recycle of the catalyst, resulting in increased intensity of the process by maintaining high catalyst concentration in the reactor. A continuous campaign confirmed that these conditions could effectively provide high throughput of material using an automated system while maintaining high selectivity, thereby addressing nitroalkane safety and minimizing catalyst usage.
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Affiliation(s)
- Sergey V. Tsukanov
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Martin D. Johnson
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Scott A. May
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Morgan Rosemeyer
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Michael A. Watkins
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Stanley P. Kolis
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Matthew H. Yates
- Small Molecule Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, Unites States
| | - Jeffrey N. Johnston
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, Tennessee 37235, United States
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8
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Voight EA, Gomtsyan AR, Daanen JF, Perner RJ, Schmidt RG, Bayburt EK, DiDomenico S, McDonald HA, Puttfarcken PS, Chen J, Neelands TR, Bianchi BR, Han P, Reilly RM, Franklin PH, Segreti JA, Nelson RA, Su Z, King AJ, Polakowski JS, Baker SJ, Gauvin DM, Lewis LR, Mikusa JP, Joshi SK, Faltynek CR, Kym PR, Kort ME. Discovery of (R)-1-(7-Chloro-2,2-bis(fluoromethyl)chroman-4-yl)-3-(3-methylisoquinolin-5-yl)urea (A-1165442): A Temperature-Neutral Transient Receptor Potential Vanilloid-1 (TRPV1) Antagonist with Analgesic Efficacy. J Med Chem 2014; 57:7412-24. [DOI: 10.1021/jm500916t] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Eric A. Voight
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Arthur R. Gomtsyan
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Jerome F. Daanen
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Richard J. Perner
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Robert G. Schmidt
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Erol K. Bayburt
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Stanley DiDomenico
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Heath A. McDonald
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Pamela S. Puttfarcken
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Jun Chen
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Torben R. Neelands
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Bruce R. Bianchi
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Ping Han
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Regina M. Reilly
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Pamela H. Franklin
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Jason A. Segreti
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Richard A. Nelson
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Zhi Su
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Andrew J. King
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - James S. Polakowski
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Scott J. Baker
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Donna M. Gauvin
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - LaGeisha R. Lewis
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Joseph P. Mikusa
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Shailen K. Joshi
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Connie R. Faltynek
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Philip R. Kym
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Michael E. Kort
- Research & Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
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