1
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Zhang S, Ouyang Y, Gao Y, Li P. Design and Application of New Pyridine-Derived Chiral Ligands in Asymmetric Catalysis. Acc Chem Res 2024; 57:957-970. [PMID: 38446135 DOI: 10.1021/acs.accounts.3c00808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
ConspectusThe innovation of chiral ligands has been crucial for the asymmetric synthesis of functional molecules, as demonstrated by several types of widely applied "privileged" ligands. In this context, chiral pyridine-derived ligands, by far some of the oldest and most widely utilized ligands in catalysis, have attracted considerable research interest in the past half-century. However, the development of broadly applicable chiral pyridine units (CPUs) has been plagued by several intertwining challenges, thus delaying advancements in many asymmetric reactions.This Account aims to summarize the recent progress in new CPU-containing ligands, focusing on a rationally designed, modular, and tunable CPU developed in our laboratory. A significant problem thwarting conventional designs is the paradox between broad reactivity and stereoselectivity; that is, while enhanced stereoselectivity may be achieved by introducing chiral elements close to the N atom, the concomitant increase in local steric hindrance often limits catalytic activity and scope. Our newly developed CPU features a rigid [6-5-3] fused-ring framework and a tunable spirocyclic ketal side wall. The well-defined three-dimensional structure minimizes local (inner layer) steric hindrance and tunes the peripheral environment (outer layer) by remote substituents, thus securing reactivity and stereoselectivity. Different chelating ligands were readily assembled using this chiral structural module, with applications in mechanistically diverse transition-metal-catalyzed reactions. Thus, a series of chiral 2,2'-bipyridine ligands were successfully employed in the development of a general, efficient, and highly enantioselective nickel-catalyzed intermolecular reductive addition, Ullmann coupling of ortho-chlorinated aryl aldehydes, and carboxylation of benzylic (pseudo)halides with CO2. Notably, these chiral 2,2'-bipyridine ligands exhibited superior catalytic activity in the reactions compared to common N-based ligands. In addition, highly enantioselective iridium-catalyzed C-H borylation was developed using a CPU-containing N,B-bidentate ligand. Furthermore, mechanistically challenging, additive-free, and broad-scope transfer hydrogenative direct asymmetric reductive amination was achieved using a half-sandwich iridium catalyst supported by a chiral N,C-bidentate ligand. The new ligands demonstrated excellent performance in securing high catalytic activity and stereoselectivity, which, when combined with experimental and computational mechanistic investigations, supported the "double-layer control" design concept.Considering the broad applications of pyridine-derived ligands, the research progress described herein should inspire the creation of novel chiral catalysts and drive the development of many catalytic asymmetric reactions.
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Affiliation(s)
- Shuai Zhang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an 710054, China
| | - Yizhao Ouyang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an 710054, China
| | - Yuan Gao
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an 710054, China
| | - Pengfei Li
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an 710054, China
- School of Chemistry, Xi'an Jiaotong University, Xi'an 710049, China
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2
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Wang L, Li T, Perveen S, Zhang S, Wang X, Ouyang Y, Li P. Nickel-Catalyzed Enantioconvergent Carboxylation Enabled by a Chiral 2,2'-Bipyridine Ligand. Angew Chem Int Ed Engl 2022; 61:e202213943. [PMID: 36300599 DOI: 10.1002/anie.202213943] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Indexed: 11/24/2022]
Abstract
In contrast to previous approaches to chiral α-aryl carboxylic acids that based on reactions using hazardous gases, pressurized setup and mostly noble metal catalysts, in this work, a nickel-catalyzed general, efficient and highly enantioselective carboxylation reaction of racemic benzylic (pseudo)halides under mild conditions using atmospheric CO2 has been developed. A unique chiral 2,2'-bipyridine ligand named Me-SBpy featuring compact polycyclic skeleton enabled both high reactivity and stereoselectivity. The utility of this method has been demonstrated by synthesis of various chiral α-aryl carboxylic acids (30 examples, up to 95 % yield and 99 : 1 er), including profen family anti-inflammatory drugs and transformations using the acids as key intermediates. Based on mechanistic experimental results, a plausible catalytic cycle involving Ni-complex/radical equilibrium and Lewis acid-assisted CO2 activation has been proposed.
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Affiliation(s)
- Linghua Wang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Tao Li
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Saima Perveen
- School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Shuai Zhang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Xicheng Wang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Yizhao Ouyang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Pengfei Li
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China.,School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, China
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3
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Perveen S, Zhang S, Wang L, Song P, Ouyang Y, Jiao J, Duan X, Li P. Synthesis of Axially Chiral Biaryls via Enantioselective Ullmann Coupling of
ortho
‐Chlorinated Aryl Aldehydes Enabled by a Chiral 2,2′‐Bipyridine Ligand. Angew Chem Int Ed Engl 2022; 61:e202212108. [DOI: 10.1002/anie.202212108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Saima Perveen
- School of Chemistry Xi'an Jiaotong University Xi'an Shaanxi 710049 China
| | - Shuai Zhang
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Linghua Wang
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Peidong Song
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Yizhao Ouyang
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Jiao Jiao
- School of Chemistry Xi'an Jiaotong University Xi'an Shaanxi 710049 China
| | - Xin‐Hua Duan
- School of Chemistry Xi'an Jiaotong University Xi'an Shaanxi 710049 China
| | - Pengfei Li
- School of Chemistry Xi'an Jiaotong University Xi'an Shaanxi 710049 China
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
- State Key Laboratory of Elemento-Organic Chemistry Nankai University Tianjin 300071 China
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4
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Zhang S, Perveen S, Ouyang Y, Xu L, Yu T, Zhao M, Wang L, Song P, Li P. Design and Synthesis of Tunable Chiral 2,2'-Bipyridine Ligands: Application to the Enantioselective Nickel-Catalyzed Reductive Arylation of Aldehydes. Angew Chem Int Ed Engl 2022; 61:e202117843. [PMID: 35174597 DOI: 10.1002/anie.202117843] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Indexed: 11/11/2022]
Abstract
A new class of chiral 2,2'-bipyridine ligands, SBpy, featuring minimized short-range steric hindrance and structural tunability was rationally designed and developed, and the effectiveness was demonstrated in the first highly enantioselective Ni-catalyzed addition of aryl halides to aldehydes. In comparison with known approaches using preformed aryl metallic reagents, this reaction is more step-economical and functional group tolerant. The reaction mechanism and a model of stereocontrol were proposed based on experimental and computational results.
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Affiliation(s)
- Shuai Zhang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Saima Perveen
- School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Yizhao Ouyang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Liang Xu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi, 832003, China
| | - Tao Yu
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Min Zhao
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Linghua Wang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Peidong Song
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China
| | - Pengfei Li
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710054, China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, China
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5
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Zhang S, Perveen S, Ouyang Y, Xu L, Yu T, Zhao M, Wang L, Song P, Li P. Design and Synthesis of Tunable Chiral 2,2′‐Bipyridine Ligands: Application to the Enantioselective Nickel‐Catalyzed Reductive Arylation of Aldehydes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shuai Zhang
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Saima Perveen
- School of Chemistry Xi'an Jiaotong University Xi'an Shaanxi 710049 China
| | - Yizhao Ouyang
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Liang Xu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan Shihezi University Shihezi 832003 China
| | - Tao Yu
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Min Zhao
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Linghua Wang
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Peidong Song
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
| | - Pengfei Li
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an Shaanxi 710054 China
- State Key Laboratory of Elemento-Organic Chemistry Nankai University Tianjin 300071 China
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6
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Song P, Hu L, Yu T, Jiao J, He Y, Xu L, Li P. Development of a Tunable Chiral Pyridine Ligand Unit for Enantioselective Iridium-Catalyzed C–H Borylation. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01671] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Peidong Song
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
| | - Linlin Hu
- Department of Applied Chemistry, Xi’an University of Technology, Xi’an 710048, China
| | - Tao Yu
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
| | - Jiao Jiao
- School of Chemistry, Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, China
| | - Yangqing He
- Department of Applied Chemistry, Xi’an University of Technology, Xi’an 710048, China
| | - Liang Xu
- School of Chemistry and Chemical Engineering/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi 832003, China
| | - Pengfei Li
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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7
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Wang L, Perveen S, Ouyang Y, Zhang S, Jiao J, He G, Nie Y, Li P. Well-Defined, Versatile and Recyclable Half-Sandwich Nickelacarborane Catalyst for Selective Carbene-Transfer Reactions. Chemistry 2021; 27:5754-5760. [PMID: 33458881 DOI: 10.1002/chem.202005014] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/30/2020] [Indexed: 11/11/2022]
Abstract
Catalytic carbene-transfer reactions constitute a class of highly useful transformations in organic synthesis. Although catalysts based on a range of transition-metals have been reported, the readily accessible nickel(II)-based complexes have been rarely used. Herein, an air-stable nickel(II)-carborane complex is reported as a well-defined, versatile and recyclable catalyst for selective carbene transfer reactions with low catalyst loading under mild conditions. This catalyst is effective for several types of reactions including diastereoselective cyclopropanation, epoxidation, selective X-H insertions (X = C, N, O, S, Si), particularly for the unprotected substrates. This represents a rare example of carborane ligands in base metal catalysis.
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Affiliation(s)
- Linghua Wang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, P. R. China
| | - Saima Perveen
- Department of Applied Chemistry, School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Yizhao Ouyang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, P. R. China
| | - Shuai Zhang
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, P. R. China
| | - Jiao Jiao
- Department of Applied Chemistry, School of Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China.,Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
| | - Gang He
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, P. R. China
| | - Yong Nie
- Institute for Smart Materials & Engineering, University of Jinan, Jinan, Shandong, 250022, P. R. China
| | - Pengfei Li
- Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710054, P. R. China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, P. R. China.,Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, P. R. China
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8
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Xiong N, Zhang G, Sun X, Zeng R. Metal‐Metal Cooperation in Dinucleating Complexes Involving Late Transition Metals Directed towards Organic Catalysis. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.201900371] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Ni Xiong
- Department of ChemistrySchool of Science, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University Xi'an Shaanxi 710049 China
| | - Guoxiang Zhang
- Department of ChemistrySchool of Science, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University Xi'an Shaanxi 710049 China
| | - Xiaolong Sun
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and TechnologyXi'an Jiaotong University Xi'an Shaanxi 710049 China
| | - Rong Zeng
- Department of ChemistrySchool of Science, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University Xi'an Shaanxi 710049 China
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9
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Ding Z, Liu Z, Tong G, Hu L, He Y, Bao Y, Lei Z, Zhang H, Li P. Facile synthesis of the daphnane and tigliane framework by semi-flow tube-based-bubbling photooxidation and diastereoselective conjugate addition. Org Chem Front 2020. [DOI: 10.1039/d0qo00424c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The common [5-7-6] tricyclic framework in tigliane and daphnane natural diterpenes containing five contiguous stereocenters has been synthesized in 9 steps from readily available starting materials in a completely stereocontrolled manner.
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Affiliation(s)
- Zhengwei Ding
- Frontier Institute of Science and Technology
- Xi'an Jiaotong University
- Xi'an
- China
| | - Zhi Liu
- Frontier Institute of Science and Technology
- Xi'an Jiaotong University
- Xi'an
- China
| | - Guanghu Tong
- Frontier Institute of Science and Technology
- Xi'an Jiaotong University
- Xi'an
- China
| | - Linlin Hu
- Department of Applied Chemistry
- Xi'an University of Technology
- Xi'an 710048
- China
| | - Yangqing He
- Department of Applied Chemistry
- Xi'an University of Technology
- Xi'an 710048
- China
| | - Yueyun Bao
- Frontier Institute of Science and Technology
- Xi'an Jiaotong University
- Xi'an
- China
| | - Zhouhang Lei
- Frontier Institute of Science and Technology
- Xi'an Jiaotong University
- Xi'an
- China
| | - Hailong Zhang
- Department of Medicinal Chemistry
- School of Pharmacy
- Xi'an Jiaotong University
- Xi'an
- China
| | - Pengfei Li
- Frontier Institute of Science and Technology
- Xi'an Jiaotong University
- Xi'an
- China
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry
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