1
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Pan Q, Wang K, Xu W, Ai Y, Ping Y, Liu C, Wang M, Zhang J, Kong W. Ligand-Controlled, Nickel-Catalyzed Stereodivergent Construction of 1,3-Nonadjacent Stereocenters. J Am Chem Soc 2024; 146:15453-15463. [PMID: 38795043 DOI: 10.1021/jacs.4c03745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2024]
Abstract
In contrast to the asymmetric synthesis of molecules with a single stereocenter or 1,2-adjacent stereocenters, the simultaneous construction of acyclic 1,3-nonadjacent stereocenters via a single catalyst in an enantioselective and diastereoselective manner remains a formidable challenge. Here, we demonstrate the enantioselective and diastereodivergent construction of 1,3-nonadjacent stereocenters through Ni-catalyzed reductive cyclization/cross-coupling of alkene-tethered aryl bromides and α-bromoamides, which represents the major remaining stereochemical challenge of cyclization/difunctionalization of alkenes. Using Ming-Phos as ligand, a diverse set of oxindoles containing 1,3-nonadjacent stereocenters were obtained with high levels of enantio- and diastereoselectivity. Mechanistic experiments and density functional theory calculations indicate that magnesium salt plays a key role in controlling the diastereoselectivity. Furthermore, another set of complementary stereoisomeric products were constructed from the same set of starting materials using Ph-Phox as ligand.
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Affiliation(s)
- Qi Pan
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
| | - Kuai Wang
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
| | - Weipeng Xu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yuqi Ai
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
| | - Yuanyuan Ping
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
| | - Chuhan Liu
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
| | - Minyan Wang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Junliang Zhang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, China
| | - Wangqing Kong
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
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2
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Kondoh A, Ojima R, Ishikawa S, Terada M. Construction of 1,3-Nonadjacent Stereogenic Centers Through Enantioselective Addition of α-Thioacetamides to α-Substituted Vinyl Sulfones Catalyzed by Chiral Strong Brønsted Base. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308020. [PMID: 38126668 PMCID: PMC10916638 DOI: 10.1002/advs.202308020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/07/2023] [Indexed: 12/23/2023]
Abstract
An enantioselective addition reaction for the construction of 1,3-nonadjacent stereogenic centers is developed by means of a chiral strong Brønsted base catalyst. The chiral sodium ureate catalyst efficiently promoted the reaction of α-thioacetamides as less acidic pronucleophiles with vinyl sulfones having a variety of α-substituents including aryl, alkyl and halo groups, and α-phenylacrylates, accomplishing the construction of various 1,3-nonadjacent stereogenic centers in highly diastereo- and enantioselective manners. This is a rare example of the construction of 1,3-nonadjacent stereogenic centers with less acidic pronucleophiles. In addition, the application of Michael acceptors having various types of α-substituents in a single catalyst system is achieved for the first time, demonstrating the utility of the present catalyst system for the construction of 1,3-nonadjacent stereogenic centers.
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Affiliation(s)
- Azusa Kondoh
- Research and Analytical Center for Giant MoleculesGraduate School of ScienceTohoku UniversityAramaki, Aoba‐kuSendai980–8578Japan
| | - Rihaku Ojima
- Department of ChemistryGraduate School of ScienceTohoku UniversityAramaki, Aoba‐kuSendai980–8578Japan
| | - Sho Ishikawa
- Department of ChemistryGraduate School of ScienceTohoku UniversityAramaki, Aoba‐kuSendai980–8578Japan
| | - Masahiro Terada
- Department of ChemistryGraduate School of ScienceTohoku UniversityAramaki, Aoba‐kuSendai980–8578Japan
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3
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Xie JH, Hou YM, Feng Z, You SL. Stereodivergent Construction of 1,3-Chiral Centers via Tandem Asymmetric Conjugate Addition and Allylic Substitution Reaction. Angew Chem Int Ed Engl 2023; 62:e202216396. [PMID: 36597878 DOI: 10.1002/anie.202216396] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/05/2023]
Abstract
Herein, we report a synthesis of cyclohexanones bearing multi-continuous stereocenters by combining copper-catalyzed asymmetric conjugate addition of dialkylzinc reagents to cyclic enones with iridium-catalyzed asymmetric allylic substitution reaction. Good to excellent yields, diastereoselectivity and enantioselectivity can be obtained. Unlike the stereodivergent construction of adjacent stereocenters (1,2-position) reported in the literature, the current reaction can achieve the stereodivergent construction of nonadjacent stereocenters (1,3-position) by a proper combination of two chiral catalysts with different enantiomers.
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Affiliation(s)
- Jia-Hao Xie
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, 200032, Shanghai, China
| | - Yi-Ming Hou
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, 200032, Shanghai, China
| | - Zuolijun Feng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, 200032, Shanghai, 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, 200032, Shanghai, China
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4
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Budinská A, Wennemers H. Organocatalytic Synthesis of Triflones Bearing Two Non-Adjacent Stereogenic Centers. Angew Chem Int Ed Engl 2023; 62:e202300537. [PMID: 36847408 DOI: 10.1002/anie.202300537] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/07/2023] [Accepted: 02/27/2023] [Indexed: 03/01/2023]
Abstract
Trifluoromethylsulfones (triflones) are useful compounds for synthesis and beyond. Yet, methods to access chiral triflones are scarce. Here, we present a mild and efficient organocatalytic method for the stereoselective synthesis of chiral triflones using α-aryl vinyl triflones, building blocks previously unexplored in asymmetric synthesis. The peptide-catalyzed reaction gives rise to a broad range of γ-triflylaldehydes with two non-adjacent stereogenic centers in high yields and stereoselectivities. A catalyst-controlled stereoselective protonation following a C-C bond formation is key to control over the absolute and relative configuration. Straightforward derivatization of the products into, e.g., disubstituted δ-sultones, γ-lactones, and pyrrolidine heterocycles highlights the synthetic versatility of the products.
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Affiliation(s)
- Alena Budinská
- Laboratory of Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093, Zürich, Switzerland
| | - Helma Wennemers
- Laboratory of Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093, Zürich, Switzerland
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5
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Guerrero-Corella A, Fraile A, Alemán J. Intramolecular Hydrogen-Bond Activation: Strategies, Benefits, and Influence in Catalysis. ACS ORGANIC & INORGANIC AU 2022; 2:197-204. [PMID: 35673681 PMCID: PMC9164241 DOI: 10.1021/acsorginorgau.1c00053] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/21/2022] [Accepted: 01/21/2022] [Indexed: 12/12/2022]
Abstract
![]()
The activation of
molecules through intramolecular hydrogen-bond
formation to promote chemical reactions appears as a suitable strategy
in organic synthesis, especially for the preparation of chiral compounds
under metal and organocatalytic conditions. The use of this interaction
has enabled reactivity enhancement of reagents, as well as stabilization
of the chemical species and enantiocontrol of the processes.
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Affiliation(s)
| | - Alberto Fraile
- Organic Chemistry Department, Módulo 1, Universidad Autónoma de Madrid, 28049 Madrid, Spain.,Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - José Alemán
- Organic Chemistry Department, Módulo 1, Universidad Autónoma de Madrid, 28049 Madrid, Spain.,Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049 Madrid, Spain
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6
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Cheng S, Jing Y, Cao L, Li W, Zhang X. Tandem Reaction of Phenyl
α
‐Cyano‐
α
‐arylacetates with Quinone Monoimines. ChemistrySelect 2021. [DOI: 10.1002/slct.202102187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shao‐Bing Cheng
- Key Laboratory of Asymmetric Synthesis and Chiraltechnology of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Yi Jing
- Key Laboratory of Asymmetric Synthesis and Chiraltechnology of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Lian‐Yi Cao
- Key Laboratory of Asymmetric Synthesis and Chiraltechnology of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Wen‐Zhe Li
- Key Laboratory of Asymmetric Synthesis and Chiraltechnology of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xiao‐Mei Zhang
- Key Laboratory of Asymmetric Synthesis and Chiraltechnology of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 China
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7
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Niki A, Ozeki M, Kuse A, Nakagawa S, Aoki S, Shigeta T, Kajimoto T, Iwasaki H, Kojima N, Arimitsu K, Hosoi S, Node M, Yamashita M, Kawasaki I. Construction of Acyclic All-Carbon Quaternary Stereocenter Based on Asymmetric Michael Addition of Chiral Amine. Chem Pharm Bull (Tokyo) 2021; 69:926-930. [PMID: 34470957 DOI: 10.1248/cpb.c21-00436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Acyclic asymmetric quaternary stereocenters, which are composed of four carbon-carbon bonds, were finely constructed by utilizing a face-selective alkylation of enolate intermediates derived from an asymmetric Michael addition reaction of a chiral lithium amide with trisubstituted (E)-α,β-unsaturated esters. The present face-selective alkylation was able to employ diverse alkyl halides as an electrophile to afford various Michael adducts having an all-carbon quaternary stereocenter. With regard to the deprotection of the chiral auxiliary, N-iodosuccinimide used in our previous study did not work in the present cases; however, we found that pyridine iodine monochloride in the presence of H2O was effective to remove the bornyl group and the benzyl group on the amino group to provide the β-amino ester derivative.
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Affiliation(s)
- Aya Niki
- Department of Medicinal and Synthetic Chemistry, Faculty of Pharmaceutical Sciences, Mukogawa Women's University
| | - Minoru Ozeki
- Department of Medicinal and Synthetic Chemistry, Faculty of Pharmaceutical Sciences, Mukogawa Women's University
| | - Akiko Kuse
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
| | - Shiho Nakagawa
- Department of Medicinal and Synthetic Chemistry, Faculty of Pharmaceutical Sciences, Mukogawa Women's University
| | - Shui Aoki
- Department of Medicinal and Synthetic Chemistry, Faculty of Pharmaceutical Sciences, Mukogawa Women's University
| | - Takashi Shigeta
- Department of Food Science and Biotechnology, School of Food and Nutritional Sciences, University of Shizuoka
| | - Tetsuya Kajimoto
- Medicinal Organic Chemistry Laboratory, College of Pharmaceutical Sciences, Ritsumeikan University
| | - Hiroki Iwasaki
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
| | - Naoto Kojima
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
| | - Kenji Arimitsu
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
| | - Shinzo Hosoi
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
| | - Manabu Node
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
| | - Masayuki Yamashita
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
| | - Ikuo Kawasaki
- Department of Medicinal and Synthetic Chemistry, Faculty of Pharmaceutical Sciences, Mukogawa Women's University
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8
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Zhang N, Zhang C, Hu X, Xie X, Liu Y. Nickel-Catalyzed C(sp 3)-H Functionalization of Benzyl Nitriles: Direct Michael Addition to Terminal Vinyl Ketones. Org Lett 2021; 23:6004-6009. [PMID: 34236193 DOI: 10.1021/acs.orglett.1c02074] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient nickel(0)-catalyzed addition of benzyl nitriles to terminal vinyl ketones via C(sp3)-H functionalization has been developed. The reaction provides a novel and efficient protocol for the synthesis of α-functionalized benzyl nitriles with a wide range of structural diversity under mild reaction conditions while obviating the use of a strong base. The work might be potentially useful toward the development of an enantioselective variant using chiral nitrogen ligands.
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Affiliation(s)
- Ninghui Zhang
- Department of Chemistry, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan 450001, People's Republic of China.,State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People's Republic of China
| | - Chunli Zhang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People's Republic of China
| | - Xiaoping Hu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People's Republic of China
| | - Xin Xie
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People's Republic of China
| | - Yuanhong Liu
- Department of Chemistry, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan 450001, People's Republic of China.,State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People's Republic of China
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9
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Cao J, Zhu SF. Catalytic Enantioselective Proton Transfer Reactions. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20200350] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jin Cao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Shou-Fei Zhu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
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10
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Trippe L, Nava A, Frank A, Nubbemeyer U. Synthesis of Enantiopure 6,11‐Methylene Lipoxin B
4
Methyl Ester. European J Org Chem 2021. [DOI: 10.1002/ejoc.202001591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Lukas Trippe
- Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 D-55128 Mainz Germany
| | - Analuisa Nava
- BASF Lampertheim GmbH Chemiestr. 22 68623 Lampertheim Germany
| | - Andrea Frank
- Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 D-55128 Mainz Germany
| | - Udo Nubbemeyer
- Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 D-55128 Mainz Germany
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11
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Jing Y, Chen H, Zhao S, Cheng S, Xu X, Yuan W, Zhang X. Unprecedented Tandem Conjugate Addition/C‐O Ester Migration of α‐Cyano Arylacetates with a Quinone Monoimine. ChemistrySelect 2019. [DOI: 10.1002/slct.201900773] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yi Jing
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan ProvinceChengdu Institute of Organic ChemistryChinese Academy of Sciences, Chengdu 610041 China
- University of Chinese Academy of Sciences, Beijing 100049 China
| | - Hui Chen
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan ProvinceChengdu Institute of Organic ChemistryChinese Academy of Sciences, Chengdu 610041 China
- University of Chinese Academy of Sciences, Beijing 100049 China
| | - Si‐Han Zhao
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan ProvinceChengdu Institute of Organic ChemistryChinese Academy of Sciences, Chengdu 610041 China
- University of Chinese Academy of Sciences, Beijing 100049 China
| | - Shao‐Bing Cheng
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan ProvinceChengdu Institute of Organic ChemistryChinese Academy of Sciences, Chengdu 610041 China
- University of Chinese Academy of Sciences, Beijing 100049 China
| | - Xiao‐Ying Xu
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan ProvinceChengdu Institute of Organic ChemistryChinese Academy of Sciences, Chengdu 610041 China
| | - Wei‐Cheng Yuan
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan ProvinceChengdu Institute of Organic ChemistryChinese Academy of Sciences, Chengdu 610041 China
| | - Xiao‐Mei Zhang
- Key Laboratory for Asymmetric Synthesis and Chiraltechnology of Sichuan ProvinceChengdu Institute of Organic ChemistryChinese Academy of Sciences, Chengdu 610041 China
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12
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Ma ZG, Wei JL, Lin JB, Wang GJ, Zhou J, Chen K, Fan CA, Zhang SY. Asymmetric Organocatalytic Synthesis of 2,3-Allenamides from Hydrogen-Bond-Stabilized Enynamides. Org Lett 2019; 21:2468-2472. [DOI: 10.1021/acs.orglett.9b00839] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhi-Gang Ma
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jie-Lu Wei
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- College of Chemistry & Pharmacy, Shaanxi Key Laboratory of Natural Products & Chemical Biology, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China
| | - Jun-Bing Lin
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Guan-Jun Wang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jia Zhou
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Kai Chen
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Chun-An Fan
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Shu-Yu Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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13
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Qin S, Liu T, Luo Y, Jiang S, Yang G. Diastereoselective Rh-catalyzed decarboxylative allylation to form quaternary stereocenters using sulfinimine as the directing group. Org Chem Front 2019; 6:732-735. [DOI: 10.1039/c8qo01258j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/14/2024]
Abstract
In this paper, we reported for the first time that the diastereoselective Rh-catalyzed decarboxylative allylation of chiral sulfinimines could be used to form quaternary stereocenters.
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Affiliation(s)
- Shuanglin Qin
- The State Key Laboratory of Medicinal Chemical Biology
- College of Pharmacy
- Nankai University
- Tianjin 300071
- People's Republic of China
| | - Tongtong Liu
- The State Key Laboratory of Medicinal Chemical Biology
- College of Pharmacy
- Nankai University
- Tianjin 300071
- People's Republic of China
| | - Yunhao Luo
- The State Key Laboratory of Medicinal Chemical Biology
- College of Pharmacy
- Nankai University
- Tianjin 300071
- People's Republic of China
| | - Shende Jiang
- School of Pharmaceutical Science and Technology
- Tianjin University
- Tianjin 300072
- People's Republic of China
| | - Guang Yang
- The State Key Laboratory of Medicinal Chemical Biology
- College of Pharmacy
- Nankai University
- Tianjin 300071
- People's Republic of China
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14
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Qin S, Liu S, Cao Y, Li J, Chong C, Liu T, Luo Y, Hu J, Jiang S, Zhou H, Yang G, Yang C. α-Alkylation of Chiral Sulfinimines for Constructing Quaternary Chiral Carbons by Introducing Removable Directing Groups. Org Lett 2018; 20:1350-1354. [PMID: 29446637 DOI: 10.1021/acs.orglett.8b00105] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This study developed a facile and efficient synthetic strategy to construct quaternary chiral centers at the α-position of imines and ketones. High regioselectivity and diastereoselectivity were achieved through the synergetic effect of electron-withdrawing directing groups and N-tert-butyl sulfinamide as chiral auxiliaries. Either of them could be removed under the optimized conditions without any epimerization.
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Affiliation(s)
- Shuanglin Qin
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University , Tianjin 300350, People's Republic of China.,School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Shuangwei Liu
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University , Tianjin 300350, People's Republic of China
| | - Yuting Cao
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University , Tianjin 300350, People's Republic of China
| | - Jiangnan Li
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University , Tianjin 300350, People's Republic of China.,School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Chuanke Chong
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University , Tianjin 300350, People's Republic of China
| | - Tongtong Liu
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University , Tianjin 300350, People's Republic of China
| | - Yunhao Luo
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University , Tianjin 300350, People's Republic of China
| | - Jiyun Hu
- School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Shende Jiang
- School of Pharmaceutical Science and Technology, Tianjin University , Tianjin 300072, People's Republic of China
| | - Honggang Zhou
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University , Tianjin 300350, People's Republic of China
| | - Guang Yang
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University , Tianjin 300350, People's Republic of China
| | - Cheng Yang
- The State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Nankai University , Tianjin 300350, People's Republic of China
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15
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Li Z, Hu B, Wu Y, Fei C, Deng L. Control of chemoselectivity in asymmetric tandem reactions: Direct synthesis of chiral amines bearing nonadjacent stereocenters. Proc Natl Acad Sci U S A 2018; 115:1730-1735. [PMID: 29432161 PMCID: PMC5828615 DOI: 10.1073/pnas.1718474115] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
This paper describes the mechanistic insight-guided development of a catalyst system, employing a phenolic proton donor catalyst in addition to a cinchonium-derived phase-transfer catalyst, to control the chemoselectivity of two distinct intermediates, thereby enabling the desired asymmetric tandem conjugate addition-protonation pathway to dominate over a number of side-reaction pathways to provide a synthetic approach for the direct generation of optically active amines bearing two nonadjacent stereocenters.
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Affiliation(s)
- Zhe Li
- Department of Chemistry, Brandeis University, Waltham, MA 02454-9110
| | - Bin Hu
- Department of Chemistry, Brandeis University, Waltham, MA 02454-9110
| | - Yongwei Wu
- Department of Chemistry, Brandeis University, Waltham, MA 02454-9110
| | - Chao Fei
- Department of Chemistry, Brandeis University, Waltham, MA 02454-9110
| | - Li Deng
- Department of Chemistry, Brandeis University, Waltham, MA 02454-9110
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16
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İşibol D, Karahan S, Tanyeli C. Asymmetric organocatalytic direct Mannich reaction of acetylacetone and isatin derived ketimines: Low catalyst loading in chiral cinchona-squaramides. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2017.12.081] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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17
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Gómez-Palomino A, Barrio A, García-Lorente P, Romea P, Urpí F, Font-Bardia M. Substrate-Controlled Michael Additions of Titanium Enolates from Chiral α-Benzyloxy Ketones to Conjugated Nitroalkenes. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Alejandro Gómez-Palomino
- Departament de Química Inorgànica i Orgànica; Secció de Química Orgànic; and Institut de Biomedicina (IBUB); Universitat de Barcelona; Carrer Martí i Franqués 1-11 08028 Barcelona Catalonia Spain
| | - Adrián Barrio
- Departament de Química Inorgànica i Orgànica; Secció de Química Orgànic; and Institut de Biomedicina (IBUB); Universitat de Barcelona; Carrer Martí i Franqués 1-11 08028 Barcelona Catalonia Spain
| | - Pedro García-Lorente
- Departament de Química Inorgànica i Orgànica; Secció de Química Orgànic; and Institut de Biomedicina (IBUB); Universitat de Barcelona; Carrer Martí i Franqués 1-11 08028 Barcelona Catalonia Spain
| | - Pedro Romea
- Departament de Química Inorgànica i Orgànica; Secció de Química Orgànic; and Institut de Biomedicina (IBUB); Universitat de Barcelona; Carrer Martí i Franqués 1-11 08028 Barcelona Catalonia Spain
| | - Fèlix Urpí
- Departament de Química Inorgànica i Orgànica; Secció de Química Orgànic; and Institut de Biomedicina (IBUB); Universitat de Barcelona; Carrer Martí i Franqués 1-11 08028 Barcelona Catalonia Spain
| | - Mercè Font-Bardia
- Unitat de Difracció de R-X. CCiTUB; Universitat de Barcelona; Carrer Solé i Sabarís 1-3 08028 Barcelona Catalonia Spain
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18
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Hong SN, Liu Y, Lee R, Jiang Z. Asymmetric tandem conjugate addition–protonation to forge chiral secondary C–O bonds for quaternary carbon stereocenters at the nonadjacent β-position. Chem Commun (Camb) 2017. [DOI: 10.1039/c7cc03700g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The first asymmetric tandem conjugate addition–protonation to methylene 1,3-oxazolidine-2,4-diones has been developed, thus providing a direct and efficient approach to assemble chiral secondary C–O bonds for quaternary carbon stereocenters and thiols at the nonadjacent β-position.
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Affiliation(s)
- San-Ni Hong
- Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province
- Henan University
- Kaifeng
- P. R. China
| | - Yang Liu
- Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province
- Henan University
- Kaifeng
- P. R. China
| | - Richmond Lee
- Singapore University of Technology and Design
- Singapore 487372
- Singapore
| | - Zhiyong Jiang
- Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province
- Henan University
- Kaifeng
- P. R. China
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19
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Karahan S, Tanyeli C. Organocatalytic enantioselective construction of isatin-derived N-alkoxycarbonyl 1,3-aminonaphthols via sterically encumbered hydrocarbon-substituted quinine-based squaramide. NEW J CHEM 2017. [DOI: 10.1039/c7nj01395g] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
2-Adamantyl substituted quinine-squaramide catalyzed aza-Friedel–Crafts reaction of N-carbamate isatin ketimines with naphthol afforded chiral isatin-derived 1,3-aminonaphthols with excellent enantioselectivity up to greater than 99% and quantitative yield.
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Affiliation(s)
- Seda Karahan
- Department of Chemistry
- Middle East Technical University
- Ankara
- Turkey
| | - Cihangir Tanyeli
- Department of Chemistry
- Middle East Technical University
- Ankara
- Turkey
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