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Kim SW, Foker EA, Wolf WJ, Woltornist RA, Shemet A, McCowen S, Simmons EM, Lin Z, He BL, Menger R, Xu X, Ayers S, Bunner MH, Sarjeant AA. α-Alkylation and Asymmetric Transfer Hydrogenation of Tetralone via Hydrogen Borrowing and Dynamic Kinetic Resolution Strategy Using a Single Iridium(III) Complex. Org Lett 2024; 26:3103-3108. [PMID: 38588485 DOI: 10.1021/acs.orglett.4c00718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Here we present a novel strategy for the synthesis of enantiomerically enriched tetrahydronaphthalen-1-ols. The reaction proceeds via an alkylation (via hydrogen borrowing) and ammonium formate-mediated asymmetric transfer hydrogenation (via dynamic kinetic resolution), giving alkylated tetralols in high yields and good enantio- and diastereoselectivity across a diverse range of both alcohol and tetralone substrates. Additionally, these products were successfully derivatized to several complex molecules, demonstrating the utility of the tetrahydronaphthalen-1-ol.
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Affiliation(s)
- Seung Wook Kim
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Elizabeth A Foker
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - William J Wolf
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Ryan A Woltornist
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Andrii Shemet
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Shelby McCowen
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Eric M Simmons
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Ziqing Lin
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Brian L He
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Robert Menger
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Xuejun Xu
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Sloan Ayers
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Matthew H Bunner
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Amy A Sarjeant
- Chemical Process Development, Bristol Myers Squibb Company, One Squibb Drive, New Brunswick, New Jersey 08903, United States
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Rong N, Zhou A, Liang M, Wang SG, Yin Q. Asymmetric Hydrogenation of Racemic 2-Substituted Indoles via Dynamic Kinetic Resolution: An Easy Access to Chiral Indolines Bearing Vicinal Stereogenic Centers. J Am Chem Soc 2024; 146:5081-5087. [PMID: 38358355 DOI: 10.1021/jacs.4c00298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
The asymmetric hydrogenation (AH) of N-unprotected indoles is a straightforward, yet challenging method to access biologically interesting NH chiral indolines. This method has for years been limited to 2/3-monosubstituted or 2,3-disubstituted indoles, which produce chiral indolines bearing endocyclic chiral centers. Herein, we have reported an innovative Pd-catalyzed AH of racemic α-alkyl or aryl-substituted indole-2-acetates using an acid-assisted dynamic kinetic resolution (DKR) process, affording a range of structurally fascinating chiral indolines that contain exocyclic stereocenters with excellent yields, diastereoselectivities, and enantioselectivities. Mechanistic studies support that the DKR process relies on a rapid interconversion of each enantiomer of racemic substrates, leveraged by an acid-promoted isomerization between the aromatic indole and nonaromatic exocyclic enamine intermediate. The reaction can be performed on a gram scale, and the products can be derivatized into non-natural β-amino acids via facile debenzylation and amino alcohol upon reduction.
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Affiliation(s)
- Nianxin Rong
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Ao Zhou
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Southern University of Science and Technology, Shenzhen, 518055, China
| | - Mingrong Liang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Shou-Guo Wang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Qin Yin
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
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Wang F, Zhang Z, Chen Y, Ratovelomanana-Vidal V, Yu P, Chen GQ, Zhang X. Stereodivergent synthesis of chiral succinimides via Rh-catalyzed asymmetric transfer hydrogenation. Nat Commun 2022; 13:7794. [PMID: 36528669 PMCID: PMC9759521 DOI: 10.1038/s41467-022-35124-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 11/18/2022] [Indexed: 12/23/2022] Open
Abstract
Chiral succinimide moieties are ubiquitous in biologically active natural products and pharmaceuticals. Until today, despite the great interest, little success has been made for stereodivergent synthesis of chiral succinimides. Here, we report a general and efficient method for accessing 3,4-disubstituted succinimides through a dynamic kinetic resolution strategy based on asymmetric transfer hydrogenation. The Rh catalyst system exhibit high activities, enantioselectivities, and diastereoselectivities (up to 2000 TON, up to >99% ee, and up to >99:1 dr). Products with syn- and anti-configuration are obtained separately by control of the reaction conditions. For the N-unprotected substrates, both the enol and the imide group can be reduced by control of reaction time and catalyst loading. In addition, the detailed reaction pathway and origin of stereoselectivity are elucidated by control experiments and theoretical calculations. This study offers a straightforward and stereodivergent approach to the valuable enantioenriched succinimides (all 4 stereoisomers) from cheap chemical feedstocks in a single reaction step.
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Affiliation(s)
- Fangyuan Wang
- grid.263817.90000 0004 1773 1790Department of Chemistry, Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518000 China
| | - Zongpeng Zhang
- grid.263817.90000 0004 1773 1790Department of Chemistry, Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518000 China
| | - Yu Chen
- grid.263817.90000 0004 1773 1790Department of Chemistry, Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518000 China
| | - Virginie Ratovelomanana-Vidal
- grid.4444.00000 0001 2112 9282PSL University, Chimie ParisTech, CNRS, Institute1 of Chemistry for Life and Health Sciences, CSB2D team, 75005 Paris, France
| | - Peiyuan Yu
- grid.263817.90000 0004 1773 1790Department of Chemistry, Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518000 China
| | - Gen-Qiang Chen
- grid.263817.90000 0004 1773 1790Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, 518000 China
| | - Xumu Zhang
- grid.263817.90000 0004 1773 1790Department of Chemistry, Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518000 China
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4
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Wang F, Yang T, Wu T, Zheng LS, Yin C, Shi Y, Ye XY, Chen GQ, Zhang X. Asymmetric Transfer Hydrogenation of α-Substituted-β-Keto Carbonitriles via Dynamic Kinetic Resolution. J Am Chem Soc 2021; 143:2477-2483. [PMID: 33529522 DOI: 10.1021/jacs.0c13273] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A catalytic protocol for the enantio- and diastereoselective reduction of α-substituted-β-keto carbonitriles is described. The reaction involves a DKR-ATH process with the simultaneous construction of β-hydroxy carbonitrile scaffolds with two contiguous stereogenic centers. A wide range of α-substituted-β-keto carbonitriles were obtained in high yields (94%-98%) and excellent enantio- and diastereoselectivities (up to >99% ee, up to >99:1 dr). The origin of the diastereoselectivity was also rationalized by DFT calculations. Furthermore, this methodology offers rapid access to the pharmaceutical intermediates of Ipenoxazone and Tapentadol.
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Affiliation(s)
- Fangyuan Wang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, People's Republic of China.,Department of Chemistry, Southern University of Science and Technology, Shenzhen, People's Republic of China
| | - Tilong Yang
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, People's Republic of China
| | - Ting Wu
- College of Innovation and Entrepreneurship, Southern University of Science and Technology, Shenzhen, People's Republic of China
| | - Long-Sheng Zheng
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, People's Republic of China
| | - Congcong Yin
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, People's Republic of China
| | - Yongjie Shi
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, People's Republic of China
| | - Xiang-Yu Ye
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, People's Republic of China
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Phansavath P, Ratovelomanana-Vidal V, Molina Betancourt R, Echeverria PG, Ayad T. Recent Progress and Applications of Transition-Metal-Catalyzed Asymmetric Hydrogenation and Transfer Hydrogenation of Ketones and Imines through Dynamic Kinetic Resolution. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1705918] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AbstractBased on the ever-increasing demand for enantiomerically pure compounds, the development of efficient, atom-economical, and sustainable methods to produce chiral alcohols and amines is a major concern. Homogeneous asymmetric catalysis with transition-metal complexes including asymmetric hydrogenation (AH) and transfer hydrogenation (ATH) of ketones and imines through dynamic kinetic resolution (DKR) allowing the construction of up to three stereogenic centers is the main focus of the present short review, emphasizing the development of new catalytic systems combined to new classes of substrates and their applications as well.1 Introduction2 Asymmetric Hydrogenation via Dynamic Kinetic Resolution2.1 α-Substituted Ketones2.2 α-Substituted β-Keto Esters and Amides2.3 α-Substituted Esters2.4 Imine Derivatives3 Asymmetric Transfer Hydrogenation via Dynamic Kinetic Resolution3.1 α-Substituted Ketones3.2 α-Substituted β-Keto Esters, Amides, and Sulfonamides3.3 α,β-Disubstituted Cyclic Ketones3.4 β-Substituted Ketones3.5 Imine Derivatives4. Conclusion
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Affiliation(s)
- Phannarath Phansavath
- CSB2D Team, Institute of Chemistry for Life & Health Sciences, Chimie ParisTech-CNRS, PSL University
| | | | - Ricardo Molina Betancourt
- CSB2D Team, Institute of Chemistry for Life & Health Sciences, Chimie ParisTech-CNRS, PSL University
| | | | - Tahar Ayad
- CSB2D Team, Institute of Chemistry for Life & Health Sciences, Chimie ParisTech-CNRS, PSL University
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