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Li B, Zhou G, Zhang D, Yao L, Li M, Yang G, Zhang S, Nie H. Spiro-Josiphos Ligands for the Ir-Catalyzed Asymmetric Synthesis of Chiral Amines under Hydrogenation Conditions. Org Lett 2024; 26:2097-2102. [PMID: 38437523 DOI: 10.1021/acs.orglett.4c00409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
Transition metal-catalyzed asymmetric hydrogenation possesses unparalleled advantages to prepare chiral amines. Here we reported a novel ligand that combined Josiphos and a spirobiindane scaffold and simultaneously investigated its application in Ir-catalyzed asymmetric hydrogenation for the synthesis of chiral amines. Excellent catalytic activity (5000 TON), high enantioselectivity (up to 99% ee), and broad substrate scope (different C═N substrates) make it highly promising for both academic research and industrial applications.
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Affiliation(s)
- Bin Li
- XJTU-Oxford International Joint Laboratory for Catalysis, School of Chemical Engineering and Technology, Xi'an Jiao-tong University, Xi'an 710049, China
| | - Gang Zhou
- Department of Medicinal Chemistry, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Dongxu Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Lin Yao
- Department of Medicinal Chemistry, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Muqiong Li
- Department of Medicinal Chemistry, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Guidong Yang
- XJTU-Oxford International Joint Laboratory for Catalysis, School of Chemical Engineering and Technology, Xi'an Jiao-tong University, Xi'an 710049, China
| | - Shengyong Zhang
- XJTU-Oxford International Joint Laboratory for Catalysis, School of Chemical Engineering and Technology, Xi'an Jiao-tong University, Xi'an 710049, China
- Department of Medicinal Chemistry, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Huifang Nie
- Department of Medicinal Chemistry, School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
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Cabré A, Verdaguer X, Riera A. Recent Advances in the Enantioselective Synthesis of Chiral Amines via Transition Metal-Catalyzed Asymmetric Hydrogenation. Chem Rev 2022; 122:269-339. [PMID: 34677059 PMCID: PMC9998038 DOI: 10.1021/acs.chemrev.1c00496] [Citation(s) in RCA: 123] [Impact Index Per Article: 61.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Chiral amines are key structural motifs present in a wide variety of natural products, drugs, and other biologically active compounds. During the past decade, significant advances have been made with respect to the enantioselective synthesis of chiral amines, many of them based on catalytic asymmetric hydrogenation (AH). The present review covers the use of AH in the synthesis of chiral amines bearing a stereogenic center either in the α, β, or γ position with respect to the nitrogen atom, reported from 2010 to 2020. Therefore, we provide an overview of the recent advances in the AH of imines, enamides, enamines, allyl amines, and N-heteroaromatic compounds.
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Affiliation(s)
- Albert Cabré
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain.,Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain.,Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain.,Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
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4
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Liu R, Han J, Li B, Liu X, Wei Z, Wang J, Wang Q, Jiang R, Nie H, Zhang S. Enantioselective synthesis of tetrahydroisoquinolines via catalytic intramolecular asymmetric reductive amination. Org Chem Front 2021. [DOI: 10.1039/d0qo01554g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A highly efficient intramolecular asymmetric reductive amination transformation catalyzed by an iridium complex of tBu-ax-Josiphos has been realized, providing an efficient access to various THIQ alkaloids.
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Affiliation(s)
- Ruixia Liu
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- PR China
| | - Jingkuo Han
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- PR China
| | - Bin Li
- Key Laboratory of Resource Biology and Biotechnology in Western China
- Ministry of Education
- The College of Life Sciences
- Northwest University
- Xi'an 710069
| | - Xian Liu
- Beijing Institute of Radiation Medicine
- Beijing
- PR China
| | - Zhao Wei
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- PR China
| | - Jiaxin Wang
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- PR China
| | - Qiaofeng Wang
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- PR China
- Xi'an Peihua University
| | - Ru Jiang
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- PR China
| | - Huifang Nie
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- PR China
| | - Shengyong Zhang
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- PR China
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Li B, Liu R, Yang J, Luo J, Yao L, Li M, Zheng X, Jiang R, Nie H, Zhang S. Iridium-Catalyzed Asymmetric Hydrogenation of Sterically Hindered Cyclic Imines for Enantioselective Synthesis of Tetrahydroisoquinolines. Org Lett 2020; 23:140-144. [PMID: 33351639 DOI: 10.1021/acs.orglett.0c03858] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
An efficient enantioselective hydrogenation of sterically hindered cyclic imines catalyzed by the Ir-tBu-ax-Josiphos complex has been described, producing a series of useful chiral bulky tetrahydroisoquinoline analogs in high isolated yields (85-96%) with good to excellent enantioselectivities (74-99% ee). This transformation provided highly straightforward access to the useful derivatives of tetrahydroisoquinolines, which are of great potential value in drug molecule and natural product research.
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Affiliation(s)
- Bin Li
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, The College of Life Sciences, Northwest University, Xi'an 710069, P. R. China
| | - Ruixia Liu
- School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Jing Yang
- School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Jingyuan Luo
- School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Lin Yao
- School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Muqiong Li
- School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Xiaohui Zheng
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, The College of Life Sciences, Northwest University, Xi'an 710069, P. R. China
| | - Ru Jiang
- School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Huifang Nie
- School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
| | - Shengyong Zhang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, The College of Life Sciences, Northwest University, Xi'an 710069, P. R. China.,School of Pharmacy, Fourth Military Medical University, Xi'an 710032, China
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6
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Asymmetric Hydrogenation of 1-aryl substituted-3,4-Dihydroisoquinolines with Iridium Catalysts Bearing Different Phosphorus-Based Ligands. Catalysts 2020. [DOI: 10.3390/catal10080914] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Starting from the chiral 5,6,7,8-tetrahydroquinolin-8-ol core, a series of amino-phosphorus-based ligands was realized. The so-obtained amino-phosphine ligand (L1), amino-phosphinite (L2) and amino-phosphite (L3) were evaluated in iridium complexes together with the heterobiaryl diphosphines tetraMe-BITIOP (L4), Diophep (L5) and L6 and L7 ligands, characterized by mixed chirality. Their catalytic performance in the asymmetric hydrogenation (AH) of the model substrate 6,7-dimethoxy-1-phenyl-3,4-dihydroisoquinoline 1a led us to identify Ir-L4 and Ir-L5 catalysts as the most effective. The application of these catalytic systems to a library of differently substituted 1-aryl-3,4-dihydroisoquinolines afforded the corresponding products with variable enantioselective levels. The 4-nitrophenyl derivative 3b was obtained in a complete conversion and with an excellent 94% e.e. using Ir-L4, and a good 76% e.e. was achieved in the reduction of 2-nitrophenyl derivative 6a using Ir-L5.
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Liu R, Li B, Han J, Zhang D, Li M, Yao L, Zhao W, Wang Q, Jiang R, Nie H. Iridium-catalyzed enantioselective reductive amination of aromatic ketones. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01271h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A highly efficient catalytic system of direct asymmetric reductive amination of aromatic ketones.
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Affiliation(s)
- Ruixia Liu
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- China
| | - Bin Li
- Key Laboratory of Resource Biology and Biotechnology in Western China
- Ministry of Education
- The College of Life Sciences
- Northwest University
- Xi'an 710069
| | - Jingkuo Han
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- China
| | - Dongxu Zhang
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- China
| | - Muqiong Li
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- China
| | - Lin Yao
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- China
| | - Wei Zhao
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- China
| | - Qiaofeng Wang
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- China
| | - Ru Jiang
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- China
| | - Huifang Nie
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- China
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Barrios-Rivera J, Xu Y, Wills M, Vyas VK. A diversity of recently reported methodology for asymmetric imine reduction. Org Chem Front 2020. [DOI: 10.1039/d0qo00794c] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
This review describes recent developments in enantioselective imine reduction, including related substrates in which a CN bond is the target for reduction, and in situ methods.
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Affiliation(s)
| | - Yingjian Xu
- GoldenKeys High-tech Materials Co
- Ltd
- Guian New Area
- China
| | - Martin Wills
- Department of Chemistry
- The University of Warwick
- Coventry
- UK
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