1
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Ge FB, Lu CJ, Chen X, Yao W, An M, Jiang YK, Xu LP, Liu RR. Enantioselective Nickel-Catalyzed Denitrogenative Transannulation En Route to N-N Atropisomers. Angew Chem Int Ed Engl 2024; 63:e202400441. [PMID: 38587149 DOI: 10.1002/anie.202400441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/06/2024] [Accepted: 04/08/2024] [Indexed: 04/09/2024]
Abstract
Nickel-catalyzed transannulation reactions triggered by the extrusion of small gaseous molecules have emerged as a powerful strategy for the efficient construction of heterocyclic compounds. However, their use in asymmetric synthesis remains challenging because of the difficulty in controlling stereo- and regioselectivity. Herein, we report the first nickel-catalyzed asymmetric synthesis of N-N atropisomers by the denitrogenative transannulation of benzotriazones with alkynes. A broad range of N-N atropisomers was obtained with excellent regio- and enantioselectivity under mild conditions. Moreover, density functional theory (DFT) calculations provided insights into the nickel-catalyzed reaction mechanism and enantioselectivity control.
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Affiliation(s)
- Fang-Bei Ge
- College of Chemistry and Chemical Engineering, Qingdao University, Ningxia Road 308#, Qingdao, 266071, China
| | - Chuan-Jun Lu
- College of Chemistry and Chemical Engineering, Qingdao University, Ningxia Road 308#, Qingdao, 266071, China
| | - Xiao Chen
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
| | - Wang Yao
- College of Chemistry and Chemical Engineering, Qingdao University, Ningxia Road 308#, Qingdao, 266071, China
| | - Mei An
- College of Chemistry and Chemical Engineering, Qingdao University, Ningxia Road 308#, Qingdao, 266071, China
| | - Yu-Kun Jiang
- College of Chemistry and Chemical Engineering, Qingdao University, Ningxia Road 308#, Qingdao, 266071, China
| | - Li-Ping Xu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
| | - Ren-Rong Liu
- College of Chemistry and Chemical Engineering, Qingdao University, Ningxia Road 308#, Qingdao, 266071, China
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2
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Wang JY, Gao CH, Ma C, Wu XY, Ni SF, Tan W, Shi F. Design and Catalytic Asymmetric Synthesis of Furan-Indole Compounds Bearing both Axial and Central Chirality. Angew Chem Int Ed Engl 2024; 63:e202316454. [PMID: 38155472 DOI: 10.1002/anie.202316454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 12/30/2023]
Abstract
In the chemistry community, catalytic asymmetric synthesis of furan-based compounds bearing both axial and central chirality has proven to be a significant but challenging issue owing to the importance and difficulty in constructing such frameworks. In this work, we have realized the first catalytic asymmetric synthesis of five-five-membered furan-based compounds bearing both axial and central chirality via organocatalytic asymmetric (2+4) annulation of achiral furan-indoles with 2,3-indolyldimethanols with uncommon regioselectivity. By this strategy, furan-indole compounds bearing both axial and central chirality were synthesized in high yields with excellent regio-, diastereo-, and enantioselectivities. Moreover, theoretical calculations were conducted to provide an in-depth understanding of the reaction pathway, activation mode, and the origin of the selectivity.
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Affiliation(s)
- Jing-Yi Wang
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Cong-Hui Gao
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Cheng Ma
- Department of Chemistry, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, 515063, China
| | - Xin-Yue Wu
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Shao-Fei Ni
- Department of Chemistry, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, 515063, China
| | - Wei Tan
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Feng Shi
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
- School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453007, China
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3
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Li JH, Li XK, Feng J, Yao W, Zhang H, Lu CJ, Liu RR. Organocatalytic Enantioselective Synthesis of Seven-Membered Ring with Inherent Chirality. Angew Chem Int Ed Engl 2024; 63:e202319289. [PMID: 38185722 DOI: 10.1002/anie.202319289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/09/2024]
Abstract
Inherent chirality is used to describe chiral cyclic molecules devoid of central, axial, planar, or helical chirality and has tremendous applications in chiral recognition and enantioselective synthesis. Catalytic and divergent syntheses of inherently chiral molecules have attracted increasing interest from chemists. Herein, we report the enantioselective synthesis of inherently chiral tribenzocycloheptene derivatives via chiral phosphoric acid (CPA)-catalyzed condensation of cyclic ketones and hydroxylamines. This chemistry paves the way to accessing the less stable derivatives of 7-membered rings with inherent chirality. A series of chiral tribenzocycloheptene oxime ethers was synthesized in good yields (up to 97 %) with excellent enantioselectivities (up to 99 % ee).
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Affiliation(s)
- Jia-Hao Li
- College of Chemistry and Chemical Engineering, Qingdao University, NingXia Road 308#, Qingdao, 266071, China
| | - Xiao-Kai Li
- College of Chemistry and Chemical Engineering, Qingdao University, NingXia Road 308#, Qingdao, 266071, China
| | - Jia Feng
- College of Chemistry and Chemical Engineering, Qingdao University, NingXia Road 308#, Qingdao, 266071, China
| | - Wang Yao
- College of Chemistry and Chemical Engineering, Qingdao University, NingXia Road 308#, Qingdao, 266071, China
| | - Huan Zhang
- College of Chemistry and Chemical Engineering, Qingdao University, NingXia Road 308#, Qingdao, 266071, China
| | - Chuan-Jun Lu
- College of Chemistry and Chemical Engineering, Qingdao University, NingXia Road 308#, Qingdao, 266071, China
| | - Ren-Rong Liu
- College of Chemistry and Chemical Engineering, Qingdao University, NingXia Road 308#, Qingdao, 266071, China
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4
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Maclean I, Gallent E, Orozco O, Molina A, Rodríguez N, Adrio J, Carretero JC. Atroposelective Synthesis of Axially Chiral Naphthylpyrroles by a Catalytic Asymmetric 1,3-Dipolar Cycloaddition/Aromatization Sequence. Org Lett 2024; 26:922-927. [PMID: 38266629 PMCID: PMC10845160 DOI: 10.1021/acs.orglett.3c04261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/13/2024] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
A straightforward methodology for the enantioselective preparation of axially chiral 2-naphthylpyrroles has been developed. This protocol is based on a CuI/Fesulphos-catalyzed highly enantioselective 1,3-dipolar cycloaddition of an azomethine ylide followed by pyrrolidine alkylation and pyrrolidine to pyrrole oxidation. The mild conditions employed in the DDQ/blue light-mediated aromatization process facilitate an effective central-to-axial chirality transfer affording the corresponding pyrroles with high atroposelectivity.
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Affiliation(s)
- Ian Maclean
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Enrique Gallent
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Oscar Orozco
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Alba Molina
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Nuria Rodríguez
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
- Institute
for Advanced Research in Chemical Sciences (IAdChem) and Center for
Innovation in Advanced Chemistry (ORFEO-CINQA), Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Javier Adrio
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
- Institute
for Advanced Research in Chemical Sciences (IAdChem) and Center for
Innovation in Advanced Chemistry (ORFEO-CINQA), Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Juan C. Carretero
- Departamento
de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain
- Institute
for Advanced Research in Chemical Sciences (IAdChem) and Center for
Innovation in Advanced Chemistry (ORFEO-CINQA), Universidad Autónoma de Madrid, 28049 Madrid, Spain
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5
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Feng J, Liu RR. Catalytic Asymmetric Synthesis of N-N Biaryl Atropisomers. Chemistry 2024; 30:e202303165. [PMID: 37850396 DOI: 10.1002/chem.202303165] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/16/2023] [Accepted: 10/18/2023] [Indexed: 10/19/2023]
Abstract
Atropisomers have emerged as important structural scaffolds in natural products, drug design, and asymmetric synthesis. Recently, N-N biaryl atropisomers have drawn increasing interest due to their unique structure and relatively stable axes. However, its asymmetric synthesis remains scarce compared to its well-developed C-C biaryl analogs. In this concept, we summarize the asymmetric synthesis of N-N biaryl atropisomers including N-N pyrrole-pyrrole, N-N pyrrole-indole, N-N indole-indole, and N-N indole-carbazole, during which a series synthetic strategies are highlighted. Also, a synthetic evolution is briefly reviewed and an outlook of N-N biaryl atropisomers synthesis is offered.
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Affiliation(s)
- Jia Feng
- College of Chemistry and Chemical Engineering, Qingdao University, NingXia Road 308#, Qingdao, 266071, China
| | - Ren-Rong Liu
- College of Chemistry and Chemical Engineering, Qingdao University, NingXia Road 308#, Qingdao, 266071, China
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6
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Han TJ, Guan CY, Li N, Dong R, Xu LP, Xiao X, Wang MC, Mei GJ. Catalytic atroposelective synthesis of heterobiaryls with vicinal C-C and N-N diaxes via dynamic kinetic resolution. iScience 2023; 26:107978. [PMID: 37822512 PMCID: PMC10562788 DOI: 10.1016/j.isci.2023.107978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/07/2023] [Accepted: 09/15/2023] [Indexed: 10/13/2023] Open
Abstract
Reported herein is a highly efficient dynamic kinetic resolution protocol for the atroposelective synthesis of heterobiaryls with vicinal C-C and N-N diaxes. Atropisomers bearing vicinal diaxes mainly exist in o-triaryls, while that of biaryls is highly challenging in terms of the concerted rotation and deplanarization effects. The combination of C-C biaryl with N-N nonbiaryl delivers a novel class of vicinal-diaxis heterobiaryls. For their atroposelective synthesis, the dynamic kinetic resolution enabled by either quinine-catalyzed allylation or isothiourea-catalyzed acylation has been developed, allowing the preparation of a wide range of vicinal-axis heterobiaryls in good yields with excellent enantioselectivities. Atropisomerization experiments revealed that the C-C bond rotation led to diastereomers, and the N-N bond rotation offered enantiomers. Besides, this protocol could be extended to kinetic resolution by employing substrates with a more hindered axis.
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Affiliation(s)
- Tian-Jiao Han
- College of Chemistry, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Chun-Yan Guan
- College of Chemistry, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Na Li
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Rui Dong
- College of Chemistry, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Li-Ping Xu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Xiao Xiao
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, People’s Republic China
| | - Min-Can Wang
- College of Chemistry, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Guang-Jian Mei
- College of Chemistry, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
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7
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Yin SY, Zhou Q, Liu CX, Gu Q, You SL. Enantioselective Synthesis of N-N Biaryl Atropisomers through Iridium(I)-Catalyzed C-H Alkylation with Acrylates. Angew Chem Int Ed Engl 2023; 62:e202305067. [PMID: 37140049 DOI: 10.1002/anie.202305067] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 04/30/2023] [Accepted: 05/04/2023] [Indexed: 05/05/2023]
Abstract
Enantioselective synthesis of N-N biaryl atropisomers is an emerging area but remains underexplored. The development of efficient synthesis of N-N biaryl atropisomers is in great demand. Herein, the construction of N-N biaryl atropisomers through iridium-catalyzed asymmetric C-H alkylation is reported for the first time. In the presence of readily available Ir precursor and Xyl-BINAP, a variety of axially chiral molecules based on indole-pyrrole skeleton were obtained in good yields (up to 98 %) with excellent enantioselectivity (up to 99 % ee). In addition, N-N bispyrrole atropisomers could also be synthesized in excellent yields and enantioselectivity. This method features perfect atom economy, wide substrate scope, and multifunctionalized products allowing diverse transformations.
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Affiliation(s)
- Si-Yong Yin
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - Qiansujia Zhou
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
- School of Material and Chemistry, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Chen-Xu Liu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - Qing Gu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
- School of Material and Chemistry, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
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8
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Zhu X, Wu H, Wang Y, Huang G, Wang F, Li X. Rhodium-catalyzed annulative approach to N-N axially chiral biaryls via C-H activation and dynamic kinetic transformation. Chem Sci 2023; 14:8564-8569. [PMID: 37592987 PMCID: PMC10430736 DOI: 10.1039/d3sc02800c] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/13/2023] [Indexed: 08/19/2023] Open
Abstract
N-N axially chiral biaryls represent a rarely explored class of atropisomeric compounds. We hereby report rhodium-catalyzed enantioselective [4 + 2] oxidative annulation of internal alkynes with benzamides bearing two classes of N-N directing groups. The coupling occurs under mild conditions via NH and CH annulation through the dynamic kinetic transformation of the directing group and is highly enantioselective with good functional tolerance. Computational studies of a coupling system at the DFT level has been conducted, and the alkyne insertion was identified as the enantio-determining as well as the turnover-limiting step.
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Affiliation(s)
- Xiaohan Zhu
- School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an 710062 China
| | - Hongli Wu
- Department of Chemistry, School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University Tianjin 300072 China
| | - Yishou Wang
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Sciences, Shandong University Qingdao 266237 China
| | - Genping Huang
- Department of Chemistry, School of Science and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University Tianjin 300072 China
| | - Fen Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an 710062 China
| | - Xingwei Li
- School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an 710062 China
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Sciences, Shandong University Qingdao 266237 China
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9
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Wu C, Chang Z, Peng C, Bai C, Xing J, Dou X. Catalytic asymmetric indolization by a desymmetrizing [3 + 2] annulation strategy. Chem Sci 2023; 14:7980-7987. [PMID: 37502333 PMCID: PMC10370590 DOI: 10.1039/d3sc02474a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 06/28/2023] [Indexed: 07/29/2023] Open
Abstract
A new catalytic asymmetric indolization reaction by a desymmetrizing [3 + 2] annulation strategy is developed. The reaction proceeds via a rhodium-catalyzed enantioposition-selective addition/5-exo-trig cyclization/dehydration cascade between ortho-amino arylboronic acids and 2,2-disubstituted cyclopentene-1,3-diones to produce N-unprotected cyclopenta[b]indoles bearing an all-carbon quaternary stereocenter in high yields with good enantioselectivities. A quantitative structure-selectivity relationship (QSSR) model was established to identify the optimal chiral ligand, which effectively controlled the formation of the stereocenter away from the reaction site. Density functional theory (DFT) calculations, non-covalent interaction analysis, and Eyring analysis were performed to understand the key reaction step and the function of the ligand.
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Affiliation(s)
- Changhui Wu
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
| | - Zhiqian Chang
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
| | - Chuanyong Peng
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
| | - Chen Bai
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
| | - Junhao Xing
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
| | - Xiaowei Dou
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
- State Key Laboratory of Coordination Chemistry, Nanjing University Nanjing 210023 P. R. China
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10
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Wang C, Sun J. Atroposelective Synthesis of N-N Axially Chiral Bipyrroles via Rhodium-Catalyzed C-H Insertion Reaction. Org Lett 2023. [PMID: 37366557 DOI: 10.1021/acs.orglett.3c01509] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
An atroposelective synthesis of bipyrroles with an axially chiral N-N bond has been established via a rhodium-catalyzed C-H bond insertion reaction to provide the desired atropisomers in good yields (up to 97% yield) with good to excellent enantioselectivities (up to 99% ee).
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Affiliation(s)
- Changkai Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Jiangtao Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
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