1
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Shimamoto R, Tsurusaki A, Kamikawa K. Rh(I)-Catalyzed Enantioselective Arylation of Cyclic N-Sulfonyl Diketimines Using Planar-Chiral Phosphine-Olefin Ligands Based on a (Cyclopentadienyl)manganese(I) Scaffold with a Highly Fluorinated Aryl Phosphino Group. J Org Chem 2023. [PMID: 36854106 DOI: 10.1021/acs.joc.2c02930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
Catalytic enantioselective 1,2-addition reactions of arylboronic acids with 1,2,5-thiadiazoline 1,1-dioxide derivatives were achieved using planar-chiral phosphine-olefin ligand L5 with a bis[(2,3,4,5,6-pentafluoro)phenyl]phosphino group, showing ≤98% ee. The enantioselectivities of the addition products were improved by increasing the number of fluoro substituents on the aromatic ring of the ligand. X-ray crystallographic studies of 3aa and [RhCl/L5]2 revealed the absolute configuration of the enantioenriched addition product 3 and the mode of phosphine-olefin bidentate coordination of L5 to a rhodium(I) cation.
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Affiliation(s)
- Ryosuke Shimamoto
- Department of Chemistry, Graduate School of Science, Osaka Metropolitan University, Sakai, Osaka 599-8531, Japan
| | - Akihiro Tsurusaki
- Department of Chemistry, Graduate School of Science, Osaka Metropolitan University, Sakai, Osaka 599-8531, Japan
| | - Ken Kamikawa
- Department of Chemistry, Graduate School of Science, Osaka Metropolitan University, Sakai, Osaka 599-8531, Japan
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2
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Wang C, Zhou L, Qiu J, Yang K, Song Q. Rh-Catalyzed diastereoselective addition of arylboronic acids to α-keto N-tert-butanesulfinyl aldimines: synthesis of α-amino ketones. Org Chem Front 2022. [DOI: 10.1039/d1qo01721g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Herein we present a diastereoselective addition of arylboronic acids to α-keto N-tert-butanesulfinyl aldimines catalyzed by a Rh(i) catalyst.
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Affiliation(s)
- Cece Wang
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Lu Zhou
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Jian Qiu
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Kai Yang
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Qiuling Song
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
- Institute of Next Generation Matter Transformation, College of Materials Science Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian, 361021, China
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3
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Li MF, Miao AQ, Zhu HY, Wang R, Hao WJ, Tu SJ, Jiang B. Palladium/ N, N'-Disulfonyl Bisimidazoline-Catalyzed Enantioselective Addition of Arylboronic Acids to Cyclic N-Sulfonyl Ketimines. J Org Chem 2020; 85:13602-13609. [PMID: 33103430 DOI: 10.1021/acs.joc.0c01722] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The combination of Pd(TFA)2 and an N,N'-disulfonyl bisimidazoline ligand shows high catalytic activity and excellent asymmetric induction in the addition of arylboronic acids to cyclic N-sulfonyl ketimines including benzo[d]isothiazole-1,1-dioxides, benzo[e][1,2,3]oxathiazine-2,2-dioxides, and 1,2,5-thiadiazole-1,1-dioxides, by which three types of chiral quaternary carbon-containing sultams with substantial substitution diversity were synthesized with high yields and excellent enantioselectivities (up to >99% ee). The current catalysis demonstrated a remarkable tolerance to oxygen and thus provided an operationally simple approach for constructing enantioenriched cyclic quaternary stereocenters.
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Affiliation(s)
- Meng-Fan Li
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - An-Qi Miao
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Hong-Yu Zhu
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Rong Wang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Wen-Juan Hao
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
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4
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Li WS, Kuo TS, Hsieh MC, Tsai MK, Wu PY, Wu HL. Enantioselective Rhodium-Catalyzed Allylation of Aliphatic Imines: Synthesis of Chiral C-Aliphatic Homoallylic Amines. Org Lett 2020; 22:5675-5679. [PMID: 32628021 DOI: 10.1021/acs.orglett.0c02069] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Reported herein is a method for the efficient syntheses of optically active 1-alkyl homoallylic amines in yields up to 95%, 13.5:1 dr, and 98% ee under mild, aqueous reaction conditions, via the Rh-catalyzed asymmetric allylation of aliphatic aldimines. This method provides a streamlined synthetic platform for the preparation of indolizidine and piperidine alkaloids, thus demonstrating its usefulness.
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Affiliation(s)
- Wei-Sian Li
- Department of Chemistry, National Taiwan Normal University, No. 88, Section 4, Tingzhou Road, Taipei 11677, Taiwan
| | - Ting-Shen Kuo
- Department of Chemistry, National Taiwan Normal University, No. 88, Section 4, Tingzhou Road, Taipei 11677, Taiwan
| | - Meng-Chi Hsieh
- Department of Chemistry, National Taiwan Normal University, No. 88, Section 4, Tingzhou Road, Taipei 11677, Taiwan
| | - Ming-Kang Tsai
- Department of Chemistry, National Taiwan Normal University, No. 88, Section 4, Tingzhou Road, Taipei 11677, Taiwan
| | - Ping-Yu Wu
- Oleader Technologies, Co., Ltd., 1F., No. 8, Aly. 29, Ln. 335, Chenggong Road, Hukou Township, Hsinchu 30345, Taiwan
| | - Hsyueh-Liang Wu
- Department of Chemistry, National Taiwan Normal University, No. 88, Section 4, Tingzhou Road, Taipei 11677, Taiwan
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5
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Wang X, Luo Y, Qin S, Sun Y, Wang N, Yan J, Yang G. Rh-Catalyzed diastereo- and linear-selective α-allylation of chiral cycloenamines. Org Chem Front 2020. [DOI: 10.1039/d0qo01087a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this paper, a Rh-catalyzed diastereoselective α-allylation of cycloenamines is demonstrated.
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Affiliation(s)
- Xiaoji Wang
- Engineering Research Center of Health Food Design & Nutrition Regulation
- School of Chemical Engineering and Energy Technology
- Dongguan University of Technology
- Dongguan 523808
- P. R. China
| | - Yunhao Luo
- The State Key Laboratory of Medicinal Chemical Biology
- College of Pharmacy
- Nankai University
- Tianjin 300071
- People's Republic of China
| | - Shuanglin Qin
- School of Pharmacy
- Hubei University of Science and Technology
- Xianning
- China
| | - Yue Sun
- The State Key Laboratory of Medicinal Chemical Biology
- College of Pharmacy
- Nankai University
- Tianjin 300071
- People's Republic of China
| | - Ning Wang
- The State Key Laboratory of Medicinal Chemical Biology
- College of Pharmacy
- Nankai University
- Tianjin 300071
- People's Republic of China
| | - Jun Yan
- School of Chemistry and Chemical Engineering
- Central South University
- Changsha
- 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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6
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Sun YT, Zhu DX, Rao X, Xu MH. The enantioselective construction of trifluoromethylated quaternary stereocenters via the Rh-catalyzed asymmetric dehydrated arylation of unprotected hemiaminals. Org Chem Front 2020. [DOI: 10.1039/c9qo01203f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
An effective Rh/chiral diene catalyst system for the highly enantioselective synthesis of chiral benzosultams bearing trifluoromethylated quaternary carbon stereocenters has been developed.
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Affiliation(s)
- Yu-Tuo Sun
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- and School of Pharmacy
- University of Chinese Academy of Sciences
| | - Dong-Xing Zhu
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- and School of Pharmacy
- University of Chinese Academy of Sciences
| | - Xiaofeng Rao
- Shenzhen Grubbs Institute and Department of Chemistry
- Southern University of Science and Technology
- Shenzhen 518055
- China
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- and School of Pharmacy
- University of Chinese Academy of Sciences
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7
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Wu C, Xu M. Palladium‐Catalyzed Highly Enantioselective Arylation of Cyclic
N
‐Sulfonyl α‐Ketimino Esters towards the Synthesis of α‐Quaternary Chiral Amino Acid Derivatives. ChemCatChem 2019. [DOI: 10.1002/cctc.201901933] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Chun‐Yan Wu
- State Key Laboratory of Drug Research Shanghai Institute of Materia MedicaChinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 P. R. China
| | - Ming‐Hua Xu
- State Key Laboratory of Drug Research Shanghai Institute of Materia MedicaChinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 P. R. China
- Shenzhen Grubbs Institute and Department of ChemistrySouthern University of Science and Technology 1088 Xueyuan Boulevard Shenzhen 518055 P. R. China
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8
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Chen MW, Mao X, Ji Y, Yuan J, Deng Z, Peng Y. Synthesis of chiral quaternary fluorinated cyclic sulfamidates via palladium-catalyzed arylation with arylboronic acids. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151280] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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9
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Shi L, Bao RLY, Zheng L, Zhao R. B(C6
F5
)3
-Catalyzed Reduction of Cyclic N
-Sulfonyl Ketimines. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900706] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Lei Shi
- School of Science; Harbin Institute of Technology; 518055 Shenzhen China
| | - Robert Li-Yuan Bao
- School of Science; Harbin Institute of Technology; 518055 Shenzhen China
| | - Limin Zheng
- School of Science; Harbin Institute of Technology; 518055 Shenzhen China
| | - Rong Zhao
- School of Science; Harbin Institute of Technology; 518055 Shenzhen China
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10
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Qin S, Luo Y, Sun Y, Tian L, Jiang S, yan J, Yang G. Iron/copper co-catalyzed highly selective arylation of sulfinamides with aryl iodides. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151167] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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11
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Zhu J, Huang L, Dong W, Li N, Yu X, Deng W, Tang W. Enantioselective Rhodium‐Catalyzed Addition of Arylboroxines to N‐Unprotected Ketimines: Efficient Synthesis of Cipargamin. Angew Chem Int Ed Engl 2019; 58:16119-16123. [DOI: 10.1002/anie.201910008] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 08/28/2019] [Indexed: 01/11/2023]
Affiliation(s)
- Jinbin Zhu
- Shanghai Key Laboratory of New Drug Design School of Pharmacy East China University of Science and Technology 130 Mei Long Rd Shanghai 200237 China
| | - Linwei Huang
- Shanghai Key Laboratory of New Drug Design School of Pharmacy East China University of Science and Technology 130 Mei Long Rd Shanghai 200237 China
| | - Wei Dong
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
| | - Naikai Li
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
| | - Xingxin Yu
- Shanghai Key Laboratory of New Drug Design School of Pharmacy East China University of Science and Technology 130 Mei Long Rd Shanghai 200237 China
| | - Wei‐Ping Deng
- Shanghai Key Laboratory of New Drug Design School of Pharmacy East China University of Science and Technology 130 Mei Long Rd Shanghai 200237 China
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
| | - Wenjun Tang
- Shanghai Key Laboratory of New Drug Design School of Pharmacy East China University of Science and Technology 130 Mei Long Rd Shanghai 200237 China
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
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12
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Zhu J, Huang L, Dong W, Li N, Yu X, Deng W, Tang W. Enantioselective Rhodium‐Catalyzed Addition of Arylboroxines to N‐Unprotected Ketimines: Efficient Synthesis of Cipargamin. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201910008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jinbin Zhu
- Shanghai Key Laboratory of New Drug DesignSchool of PharmacyEast China University of Science and Technology 130 Mei Long Rd Shanghai 200237 China
| | - Linwei Huang
- Shanghai Key Laboratory of New Drug DesignSchool of PharmacyEast China University of Science and Technology 130 Mei Long Rd Shanghai 200237 China
| | - Wei Dong
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
| | - Naikai Li
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
| | - Xingxin Yu
- Shanghai Key Laboratory of New Drug DesignSchool of PharmacyEast China University of Science and Technology 130 Mei Long Rd Shanghai 200237 China
| | - Wei‐Ping Deng
- Shanghai Key Laboratory of New Drug DesignSchool of PharmacyEast China University of Science and Technology 130 Mei Long Rd Shanghai 200237 China
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
| | - Wenjun Tang
- Shanghai Key Laboratory of New Drug DesignSchool of PharmacyEast China University of Science and Technology 130 Mei Long Rd Shanghai 200237 China
- State Key Laboratory of Bio-Organic and Natural Products Chemistry, Center for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryChinese Academy of Sciences 345 Ling Ling Rd Shanghai 200032 China
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13
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Yu YN, Qi WY, Wu CY, Xu MH. Rhodium-Catalyzed Enantioselective Addition of Arylboroxines to Isatin-Derived N-Boc Ketimines Using Chiral Phosphite–Olefin Ligands: Asymmetric Synthesis of 3-Aryl-3-amino-2-oxindoles. Org Lett 2019; 21:7493-7497. [DOI: 10.1021/acs.orglett.9b02787] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yue-Na Yu
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, 1088 Xueyuan Boulevard, Shenzhen 518055, China
| | - Wei-Yi Qi
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Chun-Yan Wu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Ming-Hua Xu
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, 1088 Xueyuan Boulevard, Shenzhen 518055, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
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14
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Wu CY, Xu MH. Construction of Chiral 1,3-Diamines through Rhodium-Catalyzed Asymmetric Arylation of Cyclic N-Sulfonyl Imines. Org Lett 2019; 21:5035-5039. [DOI: 10.1021/acs.orglett.9b01633] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Chun-Yan Wu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu-chongzhi Road, Shanghai 201203, China
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu-chongzhi Road, Shanghai 201203, China
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, 1088 Xueyuan Boulevard, Shenzhen 518055, China
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15
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Zhao ZB, Shi L, Meng FJ, Li Y, Zhou YG. Synthesis of chiral seven-membered cyclic sulfonamides through palladium-catalyzed arylation of cyclic imines. Org Chem Front 2019. [DOI: 10.1039/c8qo01323c] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An enantioselective palladium-catalyzed addition of arylboronic acids to seven-membered cyclic N-sulfonyl aldimines and ketimines has been developed, giving the chiral cyclic sulfonamides with excellent yields and up to 99% ee.
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Affiliation(s)
- Zi-Biao Zhao
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Lei Shi
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Fan-Jie Meng
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Yaming Li
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Yong-Gui Zhou
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Dalian 116024
- P. R. China
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16
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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. [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: 12/25/2022]
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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17
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Shao Q, Wu L, Chen J, Gridnev ID, Yang G, Xie F, Zhang W. Copper (II)/RuPHOX-Catalyzed Enantioselective Mannich-Type Reaction of Glycine Schiff Bases with Cyclic Ketimines. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800850] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Qihang Shao
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Liang Wu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Jianzhong Chen
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Ilya D. Gridnev
- Department of Chemistry, Graduate School of Science; Tohoku University, Aramaki 3-6, Aoba-ku; Sendai 9808578 Japan
| | - Guoqiang Yang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Fang Xie
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
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18
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Quan M, Wang X, Wu L, Gridnev ID, Yang G, Zhang W. Ni(II)-catalyzed asymmetric alkenylations of ketimines. Nat Commun 2018; 9:2258. [PMID: 29884893 PMCID: PMC5993804 DOI: 10.1038/s41467-018-04645-3] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 05/14/2018] [Indexed: 01/13/2023] Open
Abstract
Chiral allylic amines are not only present in many bioactive compounds, but can also be readily transformed to other chiral amines. Therefore, the asymmetric synthesis of chiral allylic amines is highly desired. Herein, we report two types of Ni(II)-catalyzed asymmetric alkenylation of cyclic ketimines for the preparation of chiral allylic amines. When ketimines bear alkyl or alkoxycarbonyl groups, the alkenylation gives five- and six-membered cyclic α-tertiary allylic amine products with excellent yields and enantioselectivities under mild reaction conditions. A variety of ketimines can be used and the method tolerates some variation in alkenylboronic acid scope. Furthermore, with alkenyl five-membered ketimine substrates, an alkenylation/rearrangement reaction occurs, providing seven-membered chiral sulfamide products bearing a conjugated diene skeleton with excellent yields and enantioselectivities. Mechanistic studies reveal that the ring expansion step is a stereospecific site-selective process, which can be catalyzed by acid (Lewis acid or Brønsted acid). Chiral allylic amines are often encountered in bioactive compounds and can be conveniently transformed into other chiral amines. Here, the authors report nickel-catalyzed enantioselective addition and addition/ring-expansion of alkenylboronic acids to ketimines providing a range of valuable chiral azaheterocycles.
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Affiliation(s)
- Mao Quan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Xiaoxiao Wang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Liang Wu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Ilya D Gridnev
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki 3-6, Aoba-ku, Sendai, 9808578, Japan
| | - Guoqiang Yang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
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19
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Wu CY, Zhang YF, Xu MH. Ligand-Controlled Rhodium-Catalyzed Site-Selective Asymmetric Addition of Arylboronic Acids to α,β-Unsaturated Cyclic N-Sulfonyl Ketimines. Org Lett 2018. [DOI: 10.1021/acs.orglett.8b00289] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chun-Yan Wu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu-Fang Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
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20
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Chen W, Meng D, N'Zemba B, Morris WJ. Palladium-Catalyzed Enantioselective Synthesis of Cyclic Sulfamidates and Application to a Synthesis of Verubecestat. Org Lett 2018; 20:1265-1268. [PMID: 29461065 DOI: 10.1021/acs.orglett.7b03639] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
An enantioselective arylation reaction catalyzed by palladium complexed with substituted phosphinooxazoline (PHOX) ligands is described. Aza-quaternary stereocenters are readily accessible through the arylation reaction between cyclic iminosulfates and a wide variety of arylboronic acids, including electron-poor and ortho-substituted arylboronic acids. This reaction was applied to the preparation of verubecestat, which is currently undergoing clinical evaluation for the treatment of Alzheimer's disease.
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Affiliation(s)
- Wenyong Chen
- Process Research & Development, Merck & Co., Inc. , Rahway, New Jersey 07065, United States
| | - Dongfang Meng
- Process Research & Development, Merck & Co., Inc. , Rahway, New Jersey 07065, United States
| | - Blaise N'Zemba
- Process Research & Development, Merck & Co., Inc. , Rahway, New Jersey 07065, United States
| | - William J Morris
- Process Research & Development, Merck & Co., Inc. , Rahway, New Jersey 07065, United States
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21
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Chen WW, Xu MH. Recent advances in rhodium-catalyzed asymmetric synthesis of heterocycles. Org Biomol Chem 2018; 15:1029-1050. [PMID: 27808318 DOI: 10.1039/c6ob02021f] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Heterocycles are crucial structural motifs that are ubiquitously present in biologically active natural products and pharmaceutically important compounds. Over the past few decades, great attention has been paid to develop efficient methodologies for the construction of diverse enantioenriched heterocyclic frameworks. This review focuses on the recent impressive progress and advances in the asymmetric synthesis of heterocycles under rhodium catalysis.
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Affiliation(s)
- Wen-Wen Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China.
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China.
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22
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Jia T, Cao P, Liao J. Enantioselective synthesis of gem-diarylalkanes by transition metal-catalyzed asymmetric arylations (TMCAAr). Chem Sci 2018; 9:546-559. [PMID: 29629119 PMCID: PMC5869807 DOI: 10.1039/c7sc03404k] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 11/07/2017] [Indexed: 12/21/2022] Open
Abstract
To date, enantiomerically enriched molecules containing gem(1,1)-diaryl containing tertiary or quaternary stereogenic centers have been readily accessed by transition metal-catalyzed enantioselective or stereoconvergent aryl transfer reactions.
Chiral gem(1,1)-diaryl containing tertiary or quaternary stereogenic centers are present in many natural products and important pharmacophores. While numerous catalytic asymmetric methods enable access to 1,1-diaryl motifs, transition metal-catalyzed asymmetric arylations (TMCAAr) are one of the most powerful methods to prepare enantiopure gem-diarylalkane compounds. The main methodology includes enantioselective 1,2- or 1,4-additions across C
Created by potrace 1.16, written by Peter Selinger 2001-2019
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O, C
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N and C
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C bonds by arylmetallic reagents; aryl cross-couplings of olefins, benzylic (pseudo)halides and aziridines; asymmetric aryl substitution reactions of allylic substrates; and isotopic benzylic C–H arylation.
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Affiliation(s)
- Tao Jia
- Natural Products Research Center , Chengdu Institute of Biology , Chinese Academy of Sciences , Chengdu 610041 , People's Republic of China . .,College of Chemistry and Materials Science , Sichuan Normal University , Chengdu 610068 , People's Republic of China .
| | - Peng Cao
- College of Chemistry and Materials Science , Sichuan Normal University , Chengdu 610068 , People's Republic of China .
| | - Jian Liao
- Natural Products Research Center , Chengdu Institute of Biology , Chinese Academy of Sciences , Chengdu 610041 , People's Republic of China . .,College of Chemical Engineering , Sichuan University , Chengdu 610065 , People's Republic of China
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23
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Quan M, Wu L, Yang G, Zhang W. Pd(ii), Ni(ii) and Co(ii)-catalyzed enantioselective additions of organoboron reagents to ketimines. Chem Commun (Camb) 2018; 54:10394-10404. [DOI: 10.1039/c8cc04932g] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This feature article highlights the development of Pd(ii), Ni(ii), and Co(ii)-catalyzed asymmetric additions of organoboron reagents to ketimines.
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Affiliation(s)
- Mao Quan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Liang Wu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Guoqiang Yang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Wanbin 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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24
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Wang Z, Xu MH. Highly enantioselective synthesis of α-tertiary chiral amino acid derivatives through rhodium-catalyzed asymmetric arylation of cyclic N-sulfonyl α-ketimino esters. Org Biomol Chem 2018; 16:4633-4640. [DOI: 10.1039/c8ob00840j] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A simple sulfur-olefin ligand promoted Rh-catalyzed highly enantioselective arylation of cyclic α-ketimino esters with arylboronic acids is described.
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Affiliation(s)
- Zheng Wang
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
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25
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Wang Z, Chen WW, Xu MH. Rhodium-catalyzed Asymmetric Arylation of Nitroalkenes Powered by Simple Chiral Sulfur-Olefin Ligands. J CHIN CHEM SOC-TAIP 2017. [DOI: 10.1002/jccs.201700328] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zheng Wang
- State Key Laboratory of Drug Research; Shanghai Institute of Materia Medica, Chinese Academy of Sciences; Shanghai 201203 China
| | - Wen-Wen Chen
- State Key Laboratory of Drug Research; Shanghai Institute of Materia Medica, Chinese Academy of Sciences; Shanghai 201203 China
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research; Shanghai Institute of Materia Medica, Chinese Academy of Sciences; Shanghai 201203 China
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26
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Qian XW, Xue ZJ, Zhao Q, Cui Z, Chen YJ, Feng CG, Lin GQ. Enantioselective Rhodium-Catalyzed Alkenylation of Aliphatic Imines. Org Lett 2017; 19:5601-5604. [DOI: 10.1021/acs.orglett.7b02737] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xue-Wei Qian
- Key
Laboratory of Synthetic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P.R. China
| | - Ze-Jian Xue
- Key
Laboratory of Synthetic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P.R. China
| | - Qian Zhao
- Jiangsu
Key Laboratory of Chiral Drug Development, Jiangsu Aosaikang Pharmaceutical Co., Ltd., Nanjing, Jiangsu 211112, P.R. China
| | - Zhe Cui
- Key
Laboratory of Synthetic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P.R. China
| | - Ya-Jing Chen
- Key
Laboratory of Synthetic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P.R. China
| | - Chen-Guo Feng
- Key
Laboratory of Synthetic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P.R. China
- Jiangsu
Key Laboratory of Chiral Drug Development, Jiangsu Aosaikang Pharmaceutical Co., Ltd., Nanjing, Jiangsu 211112, P.R. China
| | - Guo-Qiang Lin
- Key
Laboratory of Synthetic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P.R. China
- Jiangsu
Key Laboratory of Chiral Drug Development, Jiangsu Aosaikang Pharmaceutical Co., Ltd., Nanjing, Jiangsu 211112, P.R. China
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27
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Abstract
Abstract
Asymmetric catalysis has become an indispensable and productive field within the Chinese organic chemistry society. The design of chiral ligands is one of the most prominent research areas in this field. Since the late 1990s, Chinese organic chemists have developed numerous chiral ligands possessing novel chiral skeletons and design concepts. Some of these ligands have been widely adopted and can be regarded as ‘privileged ligand’, which have shown excellent performance in many asymmetric catalytic reactions. In this review, we provide an overview of the chiral ligands designed by Chinese scientists with the aim of promoting the development of this area in China and with the hope of encouraging more scientists across the world to use these ligands when designing asymmetric reactions.
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28
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Jiang T, Chen WW, Xu MH. Highly Enantioselective Arylation of N,N-Dimethylsulfamoyl-Protected Aldimines Using Simple Sulfur–Olefin Ligands: Access to Solifenacin and (S)-(+)-Cryptostyline II. Org Lett 2017; 19:2138-2141. [DOI: 10.1021/acs.orglett.7b00776] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tao Jiang
- State
Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wen-Wen Chen
- State
Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Ming-Hua Xu
- State
Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
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29
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Zhou B, Li K, Jiang C, Lu Y, Hayashi T. Modified Amino Acid-Derived Phosphine-Imine Ligands for Palladium-Catalyzed Asymmetric Arylation of Cyclic N
-Sulfonyl Imines. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700003] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Bo Zhou
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Kaizhi Li
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Chunhui Jiang
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
- Present address: School of Environmental and Chemical Engineering; Jiangsu University of Science and Technology; Zhenjiang Jiangsu 212003 People's Republic of China
| | - Yixin Lu
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Tamio Hayashi
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; 21 Nanyang Link Singapore 637371 Singapore
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30
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Otocka S, Kwiatkowska M, Madalińska L, Kiełbasiński P. Chiral Organosulfur Ligands/Catalysts with a Stereogenic Sulfur Atom: Applications in Asymmetric Synthesis. Chem Rev 2017; 117:4147-4181. [PMID: 28191933 DOI: 10.1021/acs.chemrev.6b00517] [Citation(s) in RCA: 229] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Asymmetric synthesis, in which chiral organocatalysts or metal complexes with chiral ligands are used, has become the most valuable methodology for the preparation of enantiomerically pure organic compounds. Among such catalysts/ligands, a growing number constitute various organosulfur compounds. This Review provides comprehensive and critical information on the plethora of sulfur-based chiral ligands and organocatalysts used in asymmetric synthesis, which have been published within the last 15 years. However, it is confined to the presentation of only those chiral catalysts/ligands that possess a stereogenic sulfur atom and includes sulfoxides, sulfinamides, N-sulfinyl ureas, sulfoximines, and some related S-chiral derivatives.
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Affiliation(s)
- Sylwia Otocka
- Department of Heteroorganic Chemistry, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences , Sienkiewicza 112, 90-363 Łódź, Poland.,Department of Structural Biology, Medical University of Łódź , Żeligowskiego 7/9, 90-752 Łódź, Poland
| | - Małgorzata Kwiatkowska
- Department of Heteroorganic Chemistry, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences , Sienkiewicza 112, 90-363 Łódź, Poland
| | - Lidia Madalińska
- Department of Heteroorganic Chemistry, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences , Sienkiewicza 112, 90-363 Łódź, Poland
| | - Piotr Kiełbasiński
- Department of Heteroorganic Chemistry, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences , Sienkiewicza 112, 90-363 Łódź, Poland
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31
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Liu MQ, Jiang T, Chen WW, Xu MH. Highly enantioselective Rh/chiral sulfur-olefin-catalyzed arylation of alkyl-substituted non-benzofused cyclic N-sulfonyl ketimines. Org Chem Front 2017. [DOI: 10.1039/c7qo00555e] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
An effective catalyst system for the highly enantioselective synthesis of α-arylalkyl-substituted sulfamidates with a quaternary stereogenic center has been developed.
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Affiliation(s)
- Ming-Qing Liu
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Tao Jiang
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Wen-Wen Chen
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
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32
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Quan M, Tang L, Shen J, Yang G, Zhang W. Ni(ii)-catalyzed asymmetric addition of arylboronic acids to cyclic imines. Chem Commun (Camb) 2017; 53:609-612. [DOI: 10.1039/c6cc08759k] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A Ni(ii)-catalyzed asymmetric addition of arylboronic acids to cyclic imines has been realized using a tropos biphenyl phosphine-oxazoline ligand.
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Affiliation(s)
- Mao Quan
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Liang Tang
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Jiaqi Shen
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Guoqiang Yang
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Wanbin Zhang
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- China
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33
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Yan Z, Wu B, Gao X, Zhou YG. Enantioselective synthesis of quaternary α-aminophosphonates by Pd-catalyzed arylation of cyclic α-ketiminophosphonates with arylboronic acids. Chem Commun (Camb) 2016; 52:10882-5. [PMID: 27530154 DOI: 10.1039/c6cc04096a] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A highly enantioselective addition of arylboronic acids to cyclic α-ketiminophosphonates is reported using a chiral palladium phosphinooxazoline catalyst, providing an efficient and facile route to quaternary α-aminophosphonates in high yields and up to 99.9% enantioselectivity.
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Affiliation(s)
- Zhong Yan
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.
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34
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Zhou B, Jiang C, Gandi VR, Lu Y, Hayashi T. Palladium-Catalyzed Asymmetric Arylation of Trifluoromethylated/Perfluoroalkylated 2-Quinazolinones with High Enantioselectivity. Chemistry 2016; 22:13068-71. [DOI: 10.1002/chem.201603105] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Indexed: 12/21/2022]
Affiliation(s)
- Bo Zhou
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Chunhui Jiang
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
- School of Environmental and Chemical Engineering; Jiangsu University of Science and Technology; Zhenjiang Jiangsu 212003 China
| | - Vasudeva Rao Gandi
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Yixin Lu
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Tamio Hayashi
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
- Institute of Materials Research and Engineering; The Agency for Science, Technology, and Research (ASTAR); 2 Fusionopolis Way Singapore 138634 Singapore
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; 21 Nanyang Link Singapore 637371 Singapore
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35
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Kato N, Shirai T, Yamamoto Y. Rhodium-Catalyzed Enantioselective Arylation of Aliphatic Imines. Chemistry 2016; 22:7739-42. [PMID: 27119262 DOI: 10.1002/chem.201601246] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Indexed: 12/18/2022]
Abstract
Chiral rhodium(I)-catalyzed highly enantioselective arylation of aliphatic N-sulfonyl aldimines with arylboronic acids has been developed. This transformation is achieved by the use of a rhodium/bis(phosphoramidite) catalyst to give enantiomerically enriched α-branched amines (up to 99 % ee). In addition, this system enables efficient synthesis of (+)-NPS R-568 and Cinacalcet which are calcimimetic agents.
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Affiliation(s)
- Naoya Kato
- Division of Chemical Process Engineering and Frontier Chemistry Center (FCC), Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8 Kita-ku, Sapporo, Hokkaido, 060-8628, Japan
| | - Tomohiko Shirai
- Division of Chemical Process Engineering and Frontier Chemistry Center (FCC), Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8 Kita-ku, Sapporo, Hokkaido, 060-8628, Japan
| | - Yasunori Yamamoto
- Division of Chemical Process Engineering and Frontier Chemistry Center (FCC), Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8 Kita-ku, Sapporo, Hokkaido, 060-8628, Japan.
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36
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Zhang YF, Chen D, Chen WW, Xu MH. Construction of Cyclic Sulfamidates Bearing Two gem-Diaryl Stereocenters through a Rhodium-Catalyzed Stepwise Asymmetric Arylation Protocol. Org Lett 2016; 18:2726-9. [DOI: 10.1021/acs.orglett.6b01183] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Yu-Fang Zhang
- State
Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Diao Chen
- State
Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Wen-Wen Chen
- State
Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Ming-Hua Xu
- State
Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
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37
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Zhao G, Sipos G, Salvador A, Ou A, Gao P, Skelton BW, Dorta R. A Chiral Disulfoxide Ligand for the Efficient Rhodium‐Catalyzed 1,2‐Addition of Arylboroxines to
N
‐Tosylarylimines. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201500975] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Guang‐Zhen Zhao
- School of Chemistry and Biochemistry University of Western Australia 35 Stirling Highway 6009 Crawley Western Australia Australia
| | - Gellért Sipos
- School of Chemistry and Biochemistry University of Western Australia 35 Stirling Highway 6009 Crawley Western Australia Australia
| | - Alvaro Salvador
- School of Chemistry and Biochemistry University of Western Australia 35 Stirling Highway 6009 Crawley Western Australia Australia
| | - Arnold Ou
- School of Chemistry and Biochemistry University of Western Australia 35 Stirling Highway 6009 Crawley Western Australia Australia
| | - Pengchao Gao
- School of Chemistry and Biochemistry University of Western Australia 35 Stirling Highway 6009 Crawley Western Australia Australia
| | - Brian W. Skelton
- Centre for Microscopy, Characterisation and Analysis University of Western Australia 35 Stirling Highway 6009 Crawley Western Australia Australia
| | - Reto Dorta
- School of Chemistry and Biochemistry University of Western Australia 35 Stirling Highway 6009 Crawley Western Australia Australia
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38
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Wu LL, Xiang Y, Yang DC, Guan Z, He YH. Biocatalytic asymmetric Mannich reaction of ketimines using wheat germ lipase. Catal Sci Technol 2016. [DOI: 10.1039/c5cy01923k] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Wheat germ lipase (WGL) was used for the first time as a biocatalyst in asymmetric Mannich reaction of ketimines.
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Affiliation(s)
- Ling-Ling Wu
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Yang Xiang
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Da-Cheng Yang
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Zhi Guan
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
| | - Yan-Hong He
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- PR China
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39
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Zhang X, Xu B, Xu MH. Rhodium-catalyzed asymmetric arylation of N- and O-containing cyclic aldimines: facile and efficient access to highly optically active 3,4-dihydrobenzo[1,4]oxazin-2-ones and dihydroquinoxalinones. Org Chem Front 2016. [DOI: 10.1039/c6qo00191b] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly enantioselective Rh-catalyzed arylation of benzoxazinones and quinoxalinones with arylboroxines was realized for the first time by employing a simple sulfur-olefin as the ligand.
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Affiliation(s)
- Xu Zhang
- Department of Chemistry
- Innovative Drug Research Center
- Shanghai University
- Shanghai 200444
- China
| | - Bin Xu
- Department of Chemistry
- Innovative Drug Research Center
- Shanghai University
- Shanghai 200444
- China
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
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40
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He Q, Wu L, Kou X, Butt N, Yang G, Zhang W. Pd(II)-Catalyzed Asymmetric Addition of Arylboronic Acids to Isatin-Derived Ketimines. Org Lett 2015; 18:288-91. [DOI: 10.1021/acs.orglett.5b03458] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Qun He
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Liang Wu
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Xuezhen Kou
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Nicholas Butt
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Guoqiang Yang
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Wanbin Zhang
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
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41
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Li Y, Yu YN, Xu MH. Simple Open-Chain Phosphite-Olefin as Ligand for Rh-Catalyzed Asymmetric Arylation of Cyclic Ketimines: Enantioselective Access to gem-Diaryl α-Amino Acid Derivatives. ACS Catal 2015. [DOI: 10.1021/acscatal.5b02403] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Yi Li
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Yue-Na Yu
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Ming-Hua Xu
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
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42
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Kong J, McLaughlin M, Belyk K, Mondschein R. Enantioselective Rh(I)-Catalyzed Addition of Arylboronic Acids to Cyclic Ketimines. Org Lett 2015; 17:5520-3. [DOI: 10.1021/acs.orglett.5b02032] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Jongrock Kong
- Process Chemistry, Merck Research Laboratories, P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Mark McLaughlin
- Process Chemistry, Merck Research Laboratories, P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Kevin Belyk
- Process Chemistry, Merck Research Laboratories, P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Ryan Mondschein
- Process Chemistry, Merck Research Laboratories, P.O. Box 2000, Rahway, New Jersey 07065, United States
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43
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Álvarez-Casao Y, Monge D, Álvarez E, Fernández R, Lassaletta JM. Pyridine–Hydrazones as N,N′-Ligands in Asymmetric Catalysis: Pd(II)-Catalyzed Addition of Boronic Acids to Cyclic Sulfonylketimines. Org Lett 2015; 17:5104-7. [DOI: 10.1021/acs.orglett.5b02613] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yolanda Álvarez-Casao
- Departamento
de Química Orgánica and Centro de Innovación
en Química Avanzada (ORFEO−CINQA), University of Seville, C/Prof. García González, 1, 41012 Seville, Spain
| | - David Monge
- Departamento
de Química Orgánica and Centro de Innovación
en Química Avanzada (ORFEO−CINQA), University of Seville, C/Prof. García González, 1, 41012 Seville, Spain
| | - Eleuterio Álvarez
- Instituto
de Investigaciones Químicas (CSIC-US) and Centro de Innovación
en Química Avanzada (ORFEO-CINQA), University of Seville, Avda. Américo Vespucio, 49, 41092 Seville, Spain
| | - Rosario Fernández
- Departamento
de Química Orgánica and Centro de Innovación
en Química Avanzada (ORFEO−CINQA), University of Seville, C/Prof. García González, 1, 41012 Seville, Spain
| | - José M. Lassaletta
- Instituto
de Investigaciones Químicas (CSIC-US) and Centro de Innovación
en Química Avanzada (ORFEO-CINQA), University of Seville, Avda. Américo Vespucio, 49, 41092 Seville, Spain
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44
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Sipos G, Drinkel EE, Dorta R. The emergence of sulfoxides as efficient ligands in transition metal catalysis. Chem Soc Rev 2015; 44:3834-60. [PMID: 25954773 DOI: 10.1039/c4cs00524d] [Citation(s) in RCA: 169] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Sulfoxides are capable of forming stable complexes with transition metals and there have been many comprehensive studies into their binding properties. However, the use of sulfoxides, particularly chiral sulfoxides, as ligands in transition metal catalysis is rather less well developed. This review aims to describe these catalytic studies and covers new developments that are showing very promising results and that have led to a renewed interest in this field.
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Affiliation(s)
- Gellért Sipos
- School of Chemistry and Biochemistry, University of Western Australia, 35 Stirling Highway, 6009, Crawley, Australia.
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45
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Shirai T, Yamamoto Y. Scope and Mechanistic Studies of the Cationic Ir/Me-BIPAM-Catalyzed Asymmetric Intramolecular Direct Hydroarylation Reaction. Organometallics 2015. [DOI: 10.1021/om501260w] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Tomohiko Shirai
- Graduate School of Chemical Sciences and Engineering and ‡Division of Chemical
Process Engineering, Faculty of Engineering, Hokkaido University, Sapporo, 060-8628, Japan
| | - Yasunori Yamamoto
- Graduate School of Chemical Sciences and Engineering and ‡Division of Chemical
Process Engineering, Faculty of Engineering, Hokkaido University, Sapporo, 060-8628, Japan
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46
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Kumagai N, Shibasaki M. Recent Advances in Catalytic Asymmetric C–C Bond-Forming Reactions to Ketimines Promoted by Metal-Based Catalysts. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20140302] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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47
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Jiang T, Wang Z, Xu MH. Rhodium-Catalyzed Asymmetric Arylation of Cyclic N-Sulfonyl Aryl Alkyl Ketimines: Efficient Access to Highly Enantioenriched α-Tertiary Amines. Org Lett 2015; 17:528-31. [DOI: 10.1021/ol503537w] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Tao Jiang
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Zheng Wang
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Ming-Hua Xu
- State Key Laboratory of Drug
Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
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48
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Dong HQ, Xu MH, Feng CG, Sun XW, Lin GQ. Recent applications of chiral N-tert-butanesulfinyl imines, chiral diene ligands and chiral sulfur–olefin ligands in asymmetric synthesis. Org Chem Front 2015. [DOI: 10.1039/c4qo00245h] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The highly efficient asymmetric reactions of chiral sulfinyl auxiliary, diene ligands and sulfur–olefin ligands are presented.
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Affiliation(s)
- Han-Qing Dong
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Chen-Guo Feng
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
| | - Xing-Wen Sun
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Guo-Qiang Lin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
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49
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Quan M, Yang G, Xie F, Gridnev ID, Zhang W. Pd(ii)-catalyzed asymmetric addition of arylboronic acids to cyclic N-sulfonyl ketimine esters and a DFT study of its mechanism. Org Chem Front 2015. [DOI: 10.1039/c4qo00347k] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly efficient palladium-catalyzed asymmetric arylation of cyclic ketimine esters is developed, which provides the desired product in up to 99% yield with up to 99% ee. The mechanism of enantioselection is studied using DFT calculation.
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Affiliation(s)
- Mao Quan
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Guoqiang Yang
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Fang Xie
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
| | - Ilya D. Gridnev
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Aoba-ku
- Japan
| | - Wanbin Zhang
- School of Chemistry and Chemical Engineering
- Shanghai Jiao Tong University
- Shanghai 200240
- P. R. China
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50
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Takechi R, Nishimura T. Rhodium-catalyzed asymmetric addition of arylboronic acids to cyclic N-sulfonyl ketimines towards the synthesis of α,α-diaryl-α-amino acid derivatives. Org Biomol Chem 2015; 13:4918-24. [DOI: 10.1039/c5ob00431d] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rhodium/chiral diene complex-catalyzed asymmetric addition of arylboronic acids to cyclic ketimines having an ester group proceeded to give the corresponding α-amino acid derivatives in high yields with high enantioselectivity.
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Affiliation(s)
- Ryosuke Takechi
- Department of Chemistry
- Graduate School of Science
- Kyoto University
- Sakyo
- Japan
| | - Takahiro Nishimura
- Department of Chemistry
- Graduate School of Science
- Kyoto University
- Sakyo
- Japan
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