101
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Han YF, Lv GF, Li Y, Wu LJ, Ouyang XH, Li JH. Transient Chelating Group-Controlled Stereoselective Rh(I)-Catalyzed Silylative Aminocarbonylation of 2-Alkynylanilines: Entry to (Z)-3-(Silylmethylene)indolin-2-ones. Chem Sci 2022; 13:9425-9431. [PMID: 36092994 PMCID: PMC9383873 DOI: 10.1039/d2sc03009h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/27/2022] [Indexed: 11/21/2022] Open
Abstract
A new, mild acryl transient chelating group-controlled stereoselective Rh(I)-catalyzed silylative aminocarbonylation of 2-alkynylanilines with CO and silanes for producing (Z)-3-(silylmethylene)indolin-2-ones is presented. By using an acryl transient chelating group 2-alkynylanilines...
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Affiliation(s)
- Ya-Fei Han
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University Nanchang 330063 China
| | - Gui-Fen Lv
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University Nanchang 330063 China
| | - Yang Li
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University Nanchang 330063 China
| | - Li-Jun Wu
- College of Sciences, Central South University of Forestry and Technology Changsha 410004 China
| | - Xuan-Hui Ouyang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University Nanchang 330063 China
| | - Jin-Heng Li
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University Nanchang 330063 China
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Provincial Center for Research & Development of Natural Products, School of Chemical Science and Technology, Yunnan University Kunming Yunnan 650091 China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University Lanzhou 730000 China
- School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
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102
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Tang J, Yan ZH, Zhan G, Yang QQ, Chen YY, Li X, Huang W. Visible-Light-Mediated Sequential Wolff Rearrangement and Staudinger Cycloaddition Enabling Assembly of Spiro-Pyrazolone-β-Lactams. Org Chem Front 2022. [DOI: 10.1039/d2qo00742h] [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
Visible-light-mediated sequential Wolff rearrangement and Staudinger cycloaddition for the assembly of valuable spiro-pyrazolone-β-lactams for the first time is disclosed by utilizing in situ generated ketenes and pyrazolone ketimines. This powerful...
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103
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Wu X, Zhao F, Ji X, Huang H. Visible Light-Assisted Photocatalyst-Free Tandem Sulfonylation/ Cyclization for the Synthesis of Oxindoles. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202208036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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104
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Deng Y, Li Y, Wang Y, Sun S, Ma S, Jia P, Li W, Wang K, Yan W. Efficient enantioselective synthesis of CF2H-containing dispiro[benzo[b]thiophene-oxindole-pyrrolidine]s via organocatalytic cycloaddition. Org Chem Front 2022. [DOI: 10.1039/d1qo01392k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A novel kind of CF2H-containing dispiro[benzo[b]thiophene-oxindole-pyrrolidine] has been achieved via an organocatalyzed 1,3-dipole reaction.
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Affiliation(s)
- Yabo Deng
- The Institute of Pharmacology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yongzhen Li
- The Institute of Pharmacology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yalan Wang
- The Institute of Pharmacology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Shuo Sun
- The Institute of Pharmacology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Sichao Ma
- The Institute of Pharmacology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Pengfei Jia
- The Institute of Pharmacology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Wenguang Li
- The Institute of Pharmacology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Kairong Wang
- The Institute of Pharmacology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Wenjin Yan
- The Institute of Pharmacology, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
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105
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Chen Z, Yan K, Luo H, Yan J, Zeng Y. Lewis acid-catalyzed [4 + 2] cycloaddition of donor–acceptor cyclobutanes with iminooxindoles: access to spiro[piperidine-3,2′-oxindoles]. RSC Adv 2022; 12:32097-32101. [DOI: 10.1039/d2ra04730f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/27/2022] [Indexed: 11/10/2022] Open
Abstract
A Lewis acid-catalyzed [4 + 2] cycloaddition reaction from D–A cyclobutanes and iminooxindoles, providing the corresponding spiro[piperidine-3,2′-oxindoles] under mild conditions.
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Affiliation(s)
- Zuliang Chen
- College of Chemistry and Bio-engineering, Yichun University, Yichun 336000, P. R. China
- Key Laboratory of Jiangxi University for Applied Chenistry and Chemical Biology, Yichun University, 336000, P. R. China
| | - Keyi Yan
- College of Chemistry and Bio-engineering, Yichun University, Yichun 336000, P. R. China
| | - Hui Luo
- College of Chemistry and Bio-engineering, Yichun University, Yichun 336000, P. R. China
| | - Jun Yan
- College of Chemistry and Bio-engineering, Yichun University, Yichun 336000, P. R. China
| | - Yang Zeng
- College of Chemistry and Bio-engineering, Yichun University, Yichun 336000, P. R. China
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106
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Mohamed Yusoff N, Osman H, Katemba V, Abd Ghani MS, Supratman U, Che Omar MT, Murugaiyah V, Six Y, Mohamad Taib MNA. Design, Synthesis and Cholinesterase Inhibitory Activity of New Dispiro Pyrrolidine Derivatives. SSRN ELECTRONIC JOURNAL 2022. [DOI: 10.2139/ssrn.4109373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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107
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Song X, Wang K, Xue L, Yu H, Zhang X, Lee R, Fan X. Coupling partner-dependent unsymmetrical C–H functionalization of N-phenoxyacetamides leading to sophisticated spirocyclic scaffolds. Org Chem Front 2022. [DOI: 10.1039/d2qo00851c] [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 coupling partner-dependent unsymmetrical C–H functionalization of N-phenoxyacetamides leading to the formation of sophisticated spirocyclic scaffolds is presented.
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Affiliation(s)
- Xia Song
- Key Laboratory for Research and Evaluation of Innovative Drug, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Kelin Wang
- Key Laboratory for Research and Evaluation of Innovative Drug, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Lian Xue
- Key Laboratory for Research and Evaluation of Innovative Drug, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Haibo Yu
- School of Chemistry and Molecular Bioscience and Molecular Horizons, University of Wollongong, Northfields Avenue, Wollongong, NSW 2522, Australia
| | - Xinying Zhang
- Key Laboratory for Research and Evaluation of Innovative Drug, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Richmond Lee
- School of Chemistry and Molecular Bioscience and Molecular Horizons, University of Wollongong, Northfields Avenue, Wollongong, NSW 2522, Australia
| | - Xuesen Fan
- Key Laboratory for Research and Evaluation of Innovative Drug, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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108
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Tian X, Zhang Y, Ren W, Wang Y. Synthesis of functionalized 3,2′-pyrrolidinyl spirooxindoles via domino 1,6-addition/annulation reactions of para-quinone methides and 3-chlorooxindoles. Org Chem Front 2022. [DOI: 10.1039/d1qo01605a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A highly efficient diastereoselective [4 + 1] cycloaddition of ortho-tosylaminophenyl-substituted p-QMs with 3-chlorooxindoles has been developed to afford 3,2′-pyrrolidinyl spirooxindoles.
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Affiliation(s)
- Xiaochen Tian
- Molecular Synthesis Center & Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Yongxing Zhang
- Molecular Synthesis Center & Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
| | - Weiwu Ren
- Molecular Synthesis Center & Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology (QNLM), Qingdao 266237, China
| | - Yang Wang
- Molecular Synthesis Center & Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology (QNLM), Qingdao 266237, China
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109
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Oxindole synthesis via C H activation methods. ADVANCES IN HETEROCYCLIC CHEMISTRY 2022. [DOI: 10.1016/bs.aihch.2022.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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110
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Novel preparation of chiral 3,2′-pyrrolidinyl spirooxindole from an enantioselective Michael addition between 3-(diphenylmethylene)-amino-oxindole and acrolein catalyzed by a cinchona alkaloid. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2021.153565] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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111
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He XH, Fu XJ, Zhan G, Zhang N, Li X, Zhu HP, Peng C, He G, Han B. Organocatalytic asymmetric synthesis of multifunctionalized α-carboline-spirooxindole hybrids that suppressed proliferation in colorectal cancer cells. Org Chem Front 2022. [DOI: 10.1039/d1qo01785c] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
An asymmetric organocatalytic cascade reaction has been reported for the rapid assembly of multifunctionalized α-carboline-spirooxindole hybrids, which suppressed proliferation in colorectal cancer cells.
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Affiliation(s)
- Xiang-Hong He
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xue-Ju Fu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Gu Zhan
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Nan Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- State Key Laboratory of Biotherapy and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Hong-Ping Zhu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Gu He
- State Key Laboratory of Biotherapy and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
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112
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Liu H, Sun S, Ma X, Chen Y, Xu Y. Synthesis of Selenylated Spiro[indole-3,3'-quinoline] Derivatives via Visible-Light-Promoted Isocyanide Insertion. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202204019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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113
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Wu S, Zhao Q, Wu C, Wang C, Lei H. Transition-metal-free oxindole synthesis: quinone-K 2CO 3 catalyzed intramolecular radical cyclization. Org Chem Front 2022. [DOI: 10.1039/d2qo00205a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel and highly efficient transition-metal-free approach for the conversion of α-bromoanilides to 3,3-disubstituted oxindoles is described. This transformation is promoted by catalytic amount of 9,10-phenanthrenequinone (PQ) together with K2CO3,...
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114
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Deng Y, Sun S, Wang Y, Jia P, Li W, Wang K, Yan W. Asymmetric Synthesis of Chiral
α
‐CF
2
H Spiro[Indoline‐3,3′‐Thiophene] via Phase‐Transfer Catalyzed Sulfa‐Michael/Michael Domino Reaction. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101320] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Yabo Deng
- The Institute of Pharmacology School of Basic Medical Sciences Lanzhou University Lanzhou 730000 People's Republic of China
| | - Shuo Sun
- The Institute of Pharmacology School of Basic Medical Sciences Lanzhou University Lanzhou 730000 People's Republic of China
| | - Yuqiang Wang
- School of Stomatology Lanzhou University Lanzhou 730000 People's Republic of China
| | - Pengfeng Jia
- The Institute of Pharmacology School of Basic Medical Sciences Lanzhou University Lanzhou 730000 People's Republic of China
| | - Wenguang Li
- The Institute of Pharmacology School of Basic Medical Sciences Lanzhou University Lanzhou 730000 People's Republic of China
| | - Kairong Wang
- The Institute of Pharmacology School of Basic Medical Sciences Lanzhou University Lanzhou 730000 People's Republic of China
| | - Wenjin Yan
- The Institute of Pharmacology School of Basic Medical Sciences Lanzhou University Lanzhou 730000 People's Republic of China
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115
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Molnár Á. Stereoselective Synthesis of Azacycles Induced by Group 8–11 Late Transition Metals. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Árpád Molnár
- Department of Organic Chemistry University of Szeged Dóm tér 8 6720 Szeged Hungary
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116
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Cheng C, Xiang JN, Zhu YP, Peng ZH, Li JH. Nickel-Catalyzed Arylcarbamoylation of Alkenes of N-( o-Iodoaryl)acrylamides with Nitroarenes via Reductive Aminocarbonylation: Facile Synthesis of Carbamoyl-Substituted Oxindoles. Org Lett 2021; 23:9543-9547. [PMID: 34860537 DOI: 10.1021/acs.orglett.1c03762] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Nickel-catalyzed arylcarbamoylation reactions of alkenes of N-(o-haloaryl)acrylamides with CO and nitroarenes via reductive aminocarbonylation to produce carbamoyl-substituted oxindoles with an all-carbon quaternary stereogenic center are presented. Starting with N-(o-haloaryl)acrylamides, simple CO, and inexpensive nitroarenes and using a Ni catalyst, a dinitrogen-based ligand, a Zn reductant, a TMSCl additive, and a base system, this protocol enables the synthesis of various carbamoyl-substituted oxindoles and allows the efficient late-stage derivatization of valuable molecules.
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Affiliation(s)
- Chaozhihui Cheng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China.,Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Jian-Nan Xiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China
| | - Yan-Ping Zhu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, Shandong 264005, China
| | - Zhi-Hong Peng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China
| | - Jin-Heng Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China.,School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, Shandong 264005, China.,Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 475004, China
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117
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Saito S, Katamura T, Tsukazaki R, Fujisawa A, Yoshigoe Y, Mutoh Y. The Aza-Prins Reaction of 1,2-Dicarbonyl Compounds with 3-Vinyltetrahydroquinolines: Application to the Synthesis of Polycyclic Spirooxindole Derivatives. J Org Chem 2021; 86:16425-16433. [PMID: 34792347 PMCID: PMC8650011 DOI: 10.1021/acs.joc.1c01785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Indexed: 11/28/2022]
Abstract
The aza-Prins reaction of 6,7-dimethoxy-3-vinyl-1,2,3,4-tetrahydroquinoline (1) with 1,2-dicarbonyl compounds proceeded smoothly in the presence of HCl, and the corresponding tricyclic benzazocines were isolated in yields of 20-86%. The reaction proceeded in a stereoselective manner, and the formation of the 2,4-trans isomer was observed. The reaction of 1 with an enantiopure ketoester gave the corresponding tricyclic benzazocine as a mixture of diastereomers. The diastereomers were easily separated and converted to enantiopure tricyclic benzazocines. The synthesis of spirooxindole derivatives was achieved by the reaction of 1 with isatin derivatives.
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Affiliation(s)
- Shinichi Saito
- Department of Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
| | - Tomohiro Katamura
- Department of Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
| | - Rei Tsukazaki
- Department of Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
| | - Akito Fujisawa
- Department of Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
| | - Yusuke Yoshigoe
- Department of Chemistry,
Faculty of Science, Tokyo University of
Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan
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118
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Shen Y, Lei N, Lu C, Xi D, Geng X, Tao P, Su Z, Zheng K. Construction of sterically congested oxindole derivatives via visible-light-induced radical-coupling. Chem Sci 2021; 12:15399-15406. [PMID: 34976361 PMCID: PMC8635216 DOI: 10.1039/d1sc05273j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 11/03/2021] [Indexed: 01/04/2023] Open
Abstract
The oxindole scaffold represents an important structural feature in many natural products and pharmaceutically relevant molecules. Herein, we report a visible-light-induced modular methodology for the synthesis of complex 3,3'-disubstituted oxindole derivatives. A library of valuable fluoroalkyl-containing highly sterically congested oxindole derivatives can be synthesized by a catalytic three-component radical coupling reaction under mild conditions (metal & photocatalyst free, >80 examples). This strategy shows high functional group tolerance and broad substrate compatibility (including a wide variety of terminal or non-terminal alkenes, conjugated dienes and enynes, and a broad array of polyfluoroalkyl iodide and oxindoles), which enables modular modification of complex drug-like compounds in one chemical step. The success of solar-driven transformation, large-scale synthesis, and the late-stage functionalization of bioactive molecules, as well as promising tumor-suppressing biological activities, highlights the potential for practical applications of this strategy. Mechanistic investigations, including a series of control experiments, UV-vis spectroscopy and DFT calculations, suggest that the reaction underwent a sequential two-step radical-coupling process and the photosensitive perfluoroalkyl benzyl iodides are key intermediates in the transformation.
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Affiliation(s)
- Yanling Shen
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Ning Lei
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Cong Lu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Dailin Xi
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Xinxin Geng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Pan Tao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Zhishan Su
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Ke Zheng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
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119
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Kise N, Mitsui Y, Sakurai T. Reductive coupling of isatins with α,β-unsaturated carbonyl compounds by low-valent titanium. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Naoki Kise
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, 4-101, Koyama-cho Minami, Tottori 680-8552
- Center for Research on Green Sustainable Chemistry, Graduate School of Engineering, Tottori University, 4-101 Koyama-cho Minami, Tottori 680-8552
| | - Yuki Mitsui
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, 4-101, Koyama-cho Minami, Tottori 680-8552
| | - Toshihiko Sakurai
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, 4-101, Koyama-cho Minami, Tottori 680-8552
- Center for Research on Green Sustainable Chemistry, Graduate School of Engineering, Tottori University, 4-101 Koyama-cho Minami, Tottori 680-8552
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120
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Zhao Y, Wang X, Yao R, Li C, Xu Z, Zhang L, Han G, Hou J, Liu Y, Song Y. Iron‐Catalyzed Alkene Trifluoromethylation in Tandem with Phenol Dearomatizing Spirocyclization: Regioselective Construction of Trifluoromethylated Spirocarbocycles. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yilin Zhao
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Xue Wang
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Ru Yao
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Chengwen Li
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Zelin Xu
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Liming Zhang
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Guifang Han
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Jingli Hou
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Yangping Liu
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Yuguang Song
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
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121
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Zhang D, Cheng Q, Chen L, Deng H, Cai H, Zhang QF. Lewis acid-catalyzed [3 + 2] annulations of oxindole based spirocyclic donor-acceptor cyclopropanes with ynamides. Org Biomol Chem 2021; 19:9645-9648. [PMID: 34730170 DOI: 10.1039/d1ob01922h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
[3 + 2] annulations of oxindole based spirocyclic donor-acceptor cyclopropanes and ynamides catalyzed by copper triflate have been developed for the synthesis of biologically important spirocyclopenteneoxindoles. These reactions tolerated a wide scope of substrates and provided the desired products in good to high yields (up to 90%) with up to >40 : 1 diastereoselectivities under mild conditions.
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Affiliation(s)
- Dongxin Zhang
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, No. 59 Hudong Road, Ma'anshan 243002, China.
| | - Qihang Cheng
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, No. 59 Hudong Road, Ma'anshan 243002, China.
| | - Lvjia Chen
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, No. 59 Hudong Road, Ma'anshan 243002, China.
| | - Huiqing Deng
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, No. 59 Hudong Road, Ma'anshan 243002, China.
| | - Hu Cai
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, No. 59 Hudong Road, Ma'anshan 243002, China.
| | - Qian-Feng Zhang
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, No. 59 Hudong Road, Ma'anshan 243002, China.
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122
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Yu L, Liu J, Wang H, Xu L, Wu Y, Zheng C, Zhao G. Asymmetric Dieckmann Condensation towards Spirocyclic Oxindoles Catalyzed by Amino Acid‐Derived Phosphonium Salts. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Longhui Yu
- Key Laboratory of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 People's Republic of China
| | - Jun Liu
- Key Laboratory of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 People's Republic of China
| | - Hongyu Wang
- Key Laboratory of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 People's Republic of China
| | - Lijun Xu
- Key Laboratory of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 People's Republic of China
| | - Yufei Wu
- Key Laboratory of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 People's Republic of China
| | - Changwu Zheng
- Innovation Research Institute of Traditional Chinese Medicine School of Pharmacy Shanghai University of Traditional Chinese Medicine Shanghai 201203 People's Republic of China
| | - Gang Zhao
- Key Laboratory of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 People's Republic of China
- Innovation Research Institute of Traditional Chinese Medicine School of Pharmacy Shanghai University of Traditional Chinese Medicine Shanghai 201203 People's Republic of China
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123
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Freidooni J, Rad-Moghadam K, Saeedi-Mirakmahaleh M. ZrO 2 and Rice-Husk-Xanthate Adduct: An Efficient Bioderived Catalyst for Synthesis of Spiro[4 H-pyran-4,3′-indoline]s. Polycycl Aromat Compd 2021. [DOI: 10.1080/10406638.2021.1998145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Jannat Freidooni
- Chemistry Department, Payam Noor University of Mashhad, Mashhad, Iran
| | - Kurosh Rad-Moghadam
- Chemistry Department, Faculty of sciences, University of Guilan, Rasht, Iran
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124
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López L, Cabal MP, Valdés C. Construction of NH-Unprotected Spiropyrrolidines and Spiroisoindolines by [4+1] Cyclizations of γ-Azidoboronic Acids with Cyclic N-Sulfonylhydrazones. Angew Chem Int Ed Engl 2021; 61:e202113370. [PMID: 34677906 PMCID: PMC9298762 DOI: 10.1002/anie.202113370] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Indexed: 12/30/2022]
Abstract
The reactions of N‐sulfonylhydrazones derived from cyclic ketones with γ‐azidopropylboronic acid and 2‐(azidomethyl)phenylboronic acid give rise to spirocyclic pyrrolidines and spiroisoindolines, respectively. The reactions proceed without the need of any transition‐metal catalyst through a domino process that comprises the formation of a Csp3‐C and a Csp3‐N bond of the former hydrazonic carbon. The scope of the reaction has been explored by the preparation of over 50 examples of NH‐unprotected spirocyclic derivatives. Importantly, this methodology could be applied for the preparation of alkaloid steroids from steroid N‐tosylhydrazones.
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Affiliation(s)
- Lucía López
- Departmento de Química Orgánica e Inorgánica, Instituto de Química Organometálica "Enrique Moles", Universidad de Oviedo, C/ Julián Clavería 8, 33006, Oviedo, Spain
| | - María-Paz Cabal
- Departmento de Química Orgánica e Inorgánica, Instituto de Química Organometálica "Enrique Moles", Universidad de Oviedo, C/ Julián Clavería 8, 33006, Oviedo, Spain
| | - Carlos Valdés
- Departmento de Química Orgánica e Inorgánica, Instituto de Química Organometálica "Enrique Moles", Universidad de Oviedo, C/ Julián Clavería 8, 33006, Oviedo, Spain
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125
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Fang YB, Lin XT, Chen GS, Ren H, Deng DS, Hu XW, Xu YB, Chen SJ, Liu YL. Stereoselective Access to Spirooxindoles and Bisoxindoles Through Organocatalyzed Asymmetric Divergent Transformations of Isatin-derived MBH Carbonates. Chem Asian J 2021; 16:3086-3090. [PMID: 34418316 DOI: 10.1002/asia.202100792] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/07/2021] [Indexed: 12/16/2022]
Abstract
An interesting β-isoquinidine catalyzed divergent reaction was developed to produce either spirocyclopentene oxindoles, spirocyclopentadiene oxindoles or bisoxindoles in a high enantioselective fashion. The utility of this protocol was demonstrated by the versatile transformations of the products. This work not only represents the first highly stereoselective intermolecular catalytic asymmetric allylic alkylation reaction between two isatin-derived MBH carbonate molecules but also constitutes a rare example of isatin-derived MBH carbonate-based enantioselective and α-regioselective [3+2] cycloaddition reactions.
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Affiliation(s)
- Yu-Bo Fang
- School of Chemistry and Chemical Engineering, Guangzhou University, 230 Wai Huan Xi Road, Guangzhou, 510006, P. R. China
| | - Xiao-Tong Lin
- School of Chemistry and Chemical Engineering, Guangzhou University, 230 Wai Huan Xi Road, Guangzhou, 510006, P. R. China
| | - Guo-Shu Chen
- School of Chemistry and Chemical Engineering, Guangzhou University, 230 Wai Huan Xi Road, Guangzhou, 510006, P. R. China
| | - Hai Ren
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, P. R. China
| | - Dong-Sheng Deng
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, 471934, P. R. China
| | - Xiao-Wei Hu
- School of Chemistry and Chemical Engineering, Guangzhou University, 230 Wai Huan Xi Road, Guangzhou, 510006, P. R. China
| | - Yi-Bing Xu
- School of Chemistry and Chemical Engineering, Guangzhou University, 230 Wai Huan Xi Road, Guangzhou, 510006, P. R. China
| | - Shu-Jie Chen
- School of Chemistry and Chemical Engineering, Guangzhou University, 230 Wai Huan Xi Road, Guangzhou, 510006, P. R. China
| | - Yun-Lin Liu
- School of Chemistry and Chemical Engineering, Guangzhou University, 230 Wai Huan Xi Road, Guangzhou, 510006, P. R. China.,Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, P. R. China
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126
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Zhang D, Xiong Y, Guo Y, Zhang L, Wang Z, Ding K. Palladium-Catalyzed Enantioselective Intramolecular Heck Carbonylation Reactions: Asymmetric Synthesis of 2-Oxindole Ynones and Carboxylic Acids. Chemistry 2021; 28:e202103670. [PMID: 34643304 DOI: 10.1002/chem.202103670] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Indexed: 12/28/2022]
Abstract
Herein, we report a Pd-catalyzed enantioselective domino Heck carbonylation reaction of o-iodoacrylanilides with terminal alkynes and water as the nucleophiles, affording a diversity of β-carbonylated 2-oxindole derivatives bearing a 3,3-disubstituted all-carbon quaternary stereocenter, in high yields (55-99 %) with good to excellent enantioselectivities (up to 99 % ee). The synthetic utilities of the protocol were demonstrated in the gram-scale synthesis of 2-oxindole-derived ynone 3 ea and carboxylic acid 4 a, as well as the facile synthesis of chiral 2-oxindoles with a pyrazole or isoxazole moiety.
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Affiliation(s)
- Di Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China
| | - Youyuan Xiong
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China
| | - Yingjie Guo
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China
| | - Lei Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China
| | - Zheng Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China
| | - Kuiling Ding
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049 (P. R. China), Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
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127
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Dočekal V, Vopálenská A, Měrka P, Konečná K, Jand'ourek O, Pour M, Císařová I, Veselý J. Enantioselective Construction of Spirooxindole-Fused Cyclopentanes. J Org Chem 2021; 86:12623-12643. [PMID: 34283607 DOI: 10.1021/acs.joc.1c01116] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The present study reports an asymmetric organocatalytic cascade reaction of oxindole derivates with α,β-unsaturated aldehydes efficiently catalyzed by simple chiral secondary amine. Spirooxindole-fused cyclopentanes were produced in excellent isolated yields (up to 98%) with excellent enantiopurities (up to 99% ee) and moderate to high diastereoselectivities. The synthetic utility of the protocol was exemplified on a set of additional transformations of the corresponding spiro compounds. In addition, a study showing the promising biological activity of selected enantioenriched products was accomplished.
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Affiliation(s)
- Vojtěch Dočekal
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Andrea Vopálenská
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Pavel Měrka
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Klára Konečná
- Department of Biological and Medical Sciences, Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Ondřej Jand'ourek
- Department of Biological and Medical Sciences, Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Milan Pour
- Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Jan Veselý
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
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128
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Parida C, Mondal B, Ghosh A, Pan SC. Organocatalytic Asymmetric Synthesis of Spirooxindole Embedded Oxazolidines. J Org Chem 2021; 86:13082-13091. [PMID: 34448585 DOI: 10.1021/acs.joc.1c00644] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The first organocatalytic asymmetric synthesis of spirooxindole embedded oxazolidines has been developed via a domino reaction involving hemiaminal formation, followed by an unprecedented aza-Michael reaction between isatin derived N-Boc ketimines and γ-hydroxy enones. A quinine derived bifunctional squaramide catalyst was found to be efficient for this reaction, and the products were obtained in good diastereoselectivity and with high enantioselectivity.
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Affiliation(s)
- Chandrakanta Parida
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Buddhadeb Mondal
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Animesh Ghosh
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Subhas Chandra Pan
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
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129
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Pratap Reddy Gajulapalli V, Kumarswamyreddy N, Lokesh K, Kesavan V. Enantioselective Synthesis of 3‐Acetyl Coumarin Substituted 3‐Hydroxy Oxindoles and Pyranocoumarin Fused Spirooxindoles. ChemistrySelect 2021. [DOI: 10.1002/slct.202102495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- V. Pratap Reddy Gajulapalli
- Chemical Biology Laboratory, Department of Biotechnology Bhupat and Jyothi Mehta School of Biosciences Building Indian Institute of Technology Madras Chennai 600036 India
| | - Nandarapu Kumarswamyreddy
- Chemical Biology Laboratory, Department of Biotechnology Bhupat and Jyothi Mehta School of Biosciences Building Indian Institute of Technology Madras Chennai 600036 India
- Department of Chemistry Indian Institute of Technology Tirupati Tirupati 517506 Andhra Pradesh India
| | - Kanduru Lokesh
- Chemical Biology Laboratory, Department of Biotechnology Bhupat and Jyothi Mehta School of Biosciences Building Indian Institute of Technology Madras Chennai 600036 India
| | - Venkitasamy Kesavan
- Chemical Biology Laboratory, Department of Biotechnology Bhupat and Jyothi Mehta School of Biosciences Building Indian Institute of Technology Madras Chennai 600036 India
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130
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Tian X, Zhang X, Hou X, Ren W, Li X, Zhao F, Tao H, Wang Y. Formal [4+1] Cyclization of
ortho
‐ or
para
‐Quinone Methides with 3‐Chlorooxindoles: Synthesis of 3,2′‐Tetrahydrofuryl Spirooxindoles. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100363] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Xiaochen Tian
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Xiaoli Zhang
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Xiaohan Hou
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Weiwu Ren
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
- Laboratory for Marine Drugs and Bioproducts Qingdao National Laboratory for Marine Science and Technology (QNLM) Qingdao 266237 P. R. China
| | - Xiaoyang Li
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
| | - Fei Zhao
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Rd, Pudong New District Shanghai 201210 P. R. China
| | - Houchao Tao
- iHuman Institute ShanghaiTech University Ren Building 393 Middle Huaxia Rd, Pudong New District Shanghai 201210 P. R. China
| | - Yang Wang
- Molecular Synthesis Center & Key Laboratory of Marine Drugs Chinese Ministry of Education School of Medicine and Pharmacy Ocean University of China 5 Yushan Road Qingdao 266003 P. R. China
- Laboratory for Marine Drugs and Bioproducts Qingdao National Laboratory for Marine Science and Technology (QNLM) Qingdao 266237 P. R. China
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131
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Varlet T, Matišić M, Van Elslande E, Neuville L, Gandon V, Masson G. Enantioselective and Diastereodivergent Synthesis of Spiroindolenines via Chiral Phosphoric Acid-Catalyzed Cycloaddition. J Am Chem Soc 2021; 143:11611-11619. [PMID: 34296854 DOI: 10.1021/jacs.1c04648] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A diastereodivergent and enantioselective synthesis of chiral spirocyclohexyl-indolenines with four contiguous stereogenic centers is achieved by a chiral phosphoric acid-catalyzed cycloaddition of 2-susbtituted 3-indolylmethanols with 1,3-dienecarbamates. Modular access to two different diastereoisomers with high enantioselectivities was obtained by careful choice of reaction conditions. Their functional group manipulation provides an efficient access to enantioenriched spirocyclohexyl-indolines and -oxindoles. The origins of this stereocontrol have been identified using DFT calculations, which reveal an unexpected mechanism compared to our previous work dealing with enecarbamates.
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Affiliation(s)
- Thomas Varlet
- Institut de Chimie des Substances Naturelles, Université Paris-Saclay, ICSN-CNRS UPR, 2301 Gif sur Yvette, France
| | - Mateja Matišić
- Institut de Chimie des Substances Naturelles, Université Paris-Saclay, ICSN-CNRS UPR, 2301 Gif sur Yvette, France
| | - Elsa Van Elslande
- Institut de Chimie des Substances Naturelles, Université Paris-Saclay, ICSN-CNRS UPR, 2301 Gif sur Yvette, France
| | - Luc Neuville
- Institut de Chimie des Substances Naturelles, Université Paris-Saclay, ICSN-CNRS UPR, 2301 Gif sur Yvette, France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) and Laboratoire de Chimie Moléculaire (LCM), 91405 Orsay, France.,Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, Route de Saclay, 91128 Palaiseau Cedex, France
| | - Géraldine Masson
- Institut de Chimie des Substances Naturelles, Université Paris-Saclay, ICSN-CNRS UPR, 2301 Gif sur Yvette, France
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132
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Kutyashev IB, Ulitko MV, Barkov AY, Zimnitskiy NS, Korotaev VY, Sosnovskikh VY. Regio- and Stereoselective 1,3-dipolar Cycloaddition of Azomethine Ylides Based on Isatins and (thia)proline to 3-nitro-2-(trifluoro(trichloro)methyl)-2H-chromenes: Synthesis and Cytotoxic Activity of 6-(trihalomethyl)-spiro[chromeno(thia)pyrrolizidine-11,3'-indolin]-2'-ones. Chem Heterocycl Compd (N Y) 2021. [DOI: 10.1007/s10593-021-02979-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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133
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Chen L, Geng HY, Chen ZJ, Liang W, Jiao WY. Rapid entry to bispiro heterocycles merging five pharmacophores using phase-transfer catalysis. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153276] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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134
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Affiliation(s)
- Jitender Singh
- Department of Chemistry Indian Institute of Technology Roorkee Roorkee 247667 India
| | - Anuj Sharma
- Department of Chemistry Indian Institute of Technology Roorkee Roorkee 247667 India
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135
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Dobah F, Mazodze CM, Petersen WF. Cross-Dehydrogenative Cyclization-Dimerization Cascade Sequence for the Synthesis of Symmetrical 3,3'-Bisoxindoles. Org Lett 2021; 23:5466-5470. [PMID: 34232674 DOI: 10.1021/acs.orglett.1c01799] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The synthesis of symmetrical 3,3'-bisoxindoles from simple acyclic β-oxoanilides is reported. The described method forges three new C-C bonds in a single step via a sequential Mn(OAc)3·2H2O mediated oxidative radical cyclization-fragmentation-dimerization process. The scope of this reaction is demonstrated in the preparation of a variety of 3,3'-bisoxindoles, as well as its application toward the formal synthesis of the Calycanthaceae alkaloid, (±)-folicanthine.
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Affiliation(s)
- Farhaan Dobah
- Department of Chemistry, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa
| | - C Munashe Mazodze
- Department of Chemistry, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa
| | - Wade F Petersen
- Department of Chemistry, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa
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136
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Zhong X, Tan J, Qiao J, Zhou Y, Lv C, Su Z, Dong S, Feng X. Catalytic asymmetric synthesis of spirocyclobutyl oxindoles and beyond via [2+2] cycloaddition and sequential transformations. Chem Sci 2021; 12:9991-9997. [PMID: 34377393 PMCID: PMC8317662 DOI: 10.1039/d1sc02681j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 06/22/2021] [Indexed: 02/05/2023] Open
Abstract
Efficient asymmetric synthesis of a collection of small molecules with structural diversity is highly important to drug discovery. Herein, three distinct types of chiral cyclic compounds were accessible by enantioselective catalysis and sequential transformations. Highly regio- and enantioselective [2+2] cycloaddition of (E)-alkenyloxindoles with the internal C[double bond, length as m-dash]C bond of N-allenamides was achieved with N,N'-dioxide/Ni(OTf)2 as the catalyst. Various optically active spirocyclobutyl oxindole derivatives were obtained under mild conditions. Moreover, formal [4+2] cycloaddition products occurring at the terminal C[double bond, length as m-dash]C bond of N-allenamides, dihydropyran-fused indoles, were afforded by a stereospecific sequential transformation with the assistance of a catalytic amount of Cu(OTf)2. In contrast, performing the conversion under air led to the formation of γ-lactones via the water-involved deprotection and rearrangement process. Experimental studies and DFT calculations were performed to probe the reaction mechanism.
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Affiliation(s)
- Xia Zhong
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China http://www.scu.edu.cn/chem_asl/
| | - Jiuqi Tan
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China http://www.scu.edu.cn/chem_asl/
| | - Jianglin Qiao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China http://www.scu.edu.cn/chem_asl/
| | - Yuqiao Zhou
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China http://www.scu.edu.cn/chem_asl/
| | - Cidan Lv
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China http://www.scu.edu.cn/chem_asl/
| | - Zhishan Su
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China http://www.scu.edu.cn/chem_asl/
| | - Shunxi Dong
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China http://www.scu.edu.cn/chem_asl/
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China http://www.scu.edu.cn/chem_asl/
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137
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Liang P, Zhao H, Zhou T, Zeng K, Jiao W, Pan Y, Liu Y, Fang D, Ma X, Shao H. Rapid Oxidation Indoles into 2‐Oxindoles Mediated by PIFA in Combination with
n
‐Bu
4
NCl ⋅ H
2
O. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100234] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Peng Liang
- Natural Products Research Centre, Chengdu Institute of Biology Chinese Academy of Sciences 610041 Chengdu People's Republic of China
- School of Chemical Engineering, Institute of Pharmaceutical Engineering Technology and Application, Key Laboratory of Green Chemistry of Sichuan Institutes of Higher Education Sichuan University of Science & Engineering Xueyuan Street 180, Huixing Road Zigong Sichuan 643000 People's Republic of China
| | - Hang Zhao
- School of Chemical Engineering, Institute of Pharmaceutical Engineering Technology and Application, Key Laboratory of Green Chemistry of Sichuan Institutes of Higher Education Sichuan University of Science & Engineering Xueyuan Street 180, Huixing Road Zigong Sichuan 643000 People's Republic of China
| | - Tingting Zhou
- School of Chemical Engineering, Institute of Pharmaceutical Engineering Technology and Application, Key Laboratory of Green Chemistry of Sichuan Institutes of Higher Education Sichuan University of Science & Engineering Xueyuan Street 180, Huixing Road Zigong Sichuan 643000 People's Republic of China
| | - Kaiyun Zeng
- School of Chemical Engineering, Institute of Pharmaceutical Engineering Technology and Application, Key Laboratory of Green Chemistry of Sichuan Institutes of Higher Education Sichuan University of Science & Engineering Xueyuan Street 180, Huixing Road Zigong Sichuan 643000 People's Republic of China
| | - Wei Jiao
- Natural Products Research Centre, Chengdu Institute of Biology Chinese Academy of Sciences 610041 Chengdu People's Republic of China
| | - Yang Pan
- Natural Products Research Centre, Chengdu Institute of Biology Chinese Academy of Sciences 610041 Chengdu People's Republic of China
| | - Yazhou Liu
- Natural Products Research Centre, Chengdu Institute of Biology Chinese Academy of Sciences 610041 Chengdu People's Republic of China
| | - Dongmei Fang
- Natural Products Research Centre, Chengdu Institute of Biology Chinese Academy of Sciences 610041 Chengdu People's Republic of China
| | - Xiaofeng Ma
- Natural Products Research Centre, Chengdu Institute of Biology Chinese Academy of Sciences 610041 Chengdu People's Republic of China
| | - Huawu Shao
- Natural Products Research Centre, Chengdu Institute of Biology Chinese Academy of Sciences 610041 Chengdu People's Republic of China
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138
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Palomba M, Franco Coelho Dias I, Rosati O, Marini F. Modern Synthetic Strategies with Organoselenium Reagents: A Focus on Vinyl Selenones. Molecules 2021; 26:molecules26113148. [PMID: 34070372 PMCID: PMC8197542 DOI: 10.3390/molecules26113148] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 11/16/2022] Open
Abstract
In recent years, vinyl selenones were rediscovered as useful building blocks for new synthetic transformations. This review will highlight these advances in the field of multiple-bond-forming reactions, one-pot synthesis of carbo- and heterocycles, enantioselective construction of densely functionalized molecules, and total synthesis of natural products.
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139
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Chen X, Yue J, Wang K, Gui Y, Niu Y, Liu J, Ran C, Kong W, Zhou W, Yu D. Nickel‐Catalyzed Asymmetric Reductive Carbo‐Carboxylation of Alkenes with CO
2. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102769] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Xiao‐Wang Chen
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Jun‐Ping Yue
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Kuai Wang
- The Center for Precision Synthesis Institute for Advanced Studies Wuhan University Wuhan 430072 P. R. China
| | - Yong‐Yuan Gui
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
- College of Chemistry and Materials Science Sichuan Normal University Chengdu 610068 P. R. China
| | - Ya‐Nan Niu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Jie Liu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Chuan‐Kun Ran
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Wangqing Kong
- The Center for Precision Synthesis Institute for Advanced Studies Wuhan University Wuhan 430072 P. R. China
| | - Wen‐Jun Zhou
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
- College of Chemistry and Chemical Engineering Neijiang Normal University Neijiang 641100 P. R. China
| | - Da‐Gang Yu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
- Beijing National Laboratory for Molecular Sciences Beijing 100190 P. R. China
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140
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Chen X, Yue J, Wang K, Gui Y, Niu Y, Liu J, Ran C, Kong W, Zhou W, Yu D. Nickel‐Catalyzed Asymmetric Reductive Carbo‐Carboxylation of Alkenes with CO
2. Angew Chem Int Ed Engl 2021; 60:14068-14075. [DOI: 10.1002/anie.202102769] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Indexed: 01/07/2023]
Affiliation(s)
- Xiao‐Wang Chen
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Jun‐Ping Yue
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Kuai Wang
- The Center for Precision Synthesis Institute for Advanced Studies Wuhan University Wuhan 430072 P. R. China
| | - Yong‐Yuan Gui
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
- College of Chemistry and Materials Science Sichuan Normal University Chengdu 610068 P. R. China
| | - Ya‐Nan Niu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Jie Liu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Chuan‐Kun Ran
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Wangqing Kong
- The Center for Precision Synthesis Institute for Advanced Studies Wuhan University Wuhan 430072 P. R. China
| | - Wen‐Jun Zhou
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
- College of Chemistry and Chemical Engineering Neijiang Normal University Neijiang 641100 P. R. China
| | - Da‐Gang Yu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
- Beijing National Laboratory for Molecular Sciences Beijing 100190 P. R. China
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141
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Laviós A, Sanz‐Marco A, Vila C, Blay G, Pedro JR. Asymmetric Organocatalytic Synthesis of
aza
‐Spirocyclic Compounds from Isothiocyanates and Isocyanides. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100232] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Adrián Laviós
- Departament de Química Orgànica-Facultat de Química Universitat de València C/ Dr. Moliner 50 46100 Burjassot (València) Spain
| | - Amparo Sanz‐Marco
- Departament de Química Orgànica-Facultat de Química Universitat de València C/ Dr. Moliner 50 46100 Burjassot (València) Spain
| | - Carlos Vila
- Departament de Química Orgànica-Facultat de Química Universitat de València C/ Dr. Moliner 50 46100 Burjassot (València) Spain
| | - Gonzalo Blay
- Departament de Química Orgànica-Facultat de Química Universitat de València C/ Dr. Moliner 50 46100 Burjassot (València) Spain
| | - José R. Pedro
- Departament de Química Orgànica-Facultat de Química Universitat de València C/ Dr. Moliner 50 46100 Burjassot (València) Spain
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142
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Shen J, Zhang L, Meng X. Recent advances in cyclization reactions of isatins or thioisatins via C–N or C–S bond cleavage. Org Chem Front 2021. [DOI: 10.1039/d1qo00868d] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This review summarizes recent developments on cyclization reactions induced by the C–N or C–S bond cleavage of isatins or thioisatins in the last 5 years, which produce fused products instead of spiro compounds.
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Affiliation(s)
- Jinhui Shen
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry & Chemical Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Lei Zhang
- Tianjin Engineering Technology Center of Chemical Wastewater Source Reduction and Recycling, School of Science, Tianjin Chengjian University, Tianjin 300384, P.R. China
| | - Xiangtai Meng
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry & Chemical Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China
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143
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Duffy C, Roe WE, Harkin AM, McNamee R, Knipe PC. Enantioselective organocatalytic formal [3+2]-cycloaddition of isatin-derived ketimines with benzylidenemalononitriles and benzylidineindanones. NEW J CHEM 2021. [DOI: 10.1039/d1nj04002b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Electron-deficient alkenes undergo organocatalysed formal [3+2]-cycloaddition with isatin-derived imines, generating complex spirocyclic products with high yield and stereoselectivity.
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Affiliation(s)
- Conor Duffy
- School of Chemistry and Chemical Engineering, Queen's University, Belfast David Keir Building, Belfast, BT9 5AG, UK
| | - William E. Roe
- School of Chemistry and Chemical Engineering, Queen's University, Belfast David Keir Building, Belfast, BT9 5AG, UK
| | - Aislinn M. Harkin
- School of Chemistry and Chemical Engineering, Queen's University, Belfast David Keir Building, Belfast, BT9 5AG, UK
| | - Ryan McNamee
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Peter C. Knipe
- School of Chemistry and Chemical Engineering, Queen's University, Belfast David Keir Building, Belfast, BT9 5AG, UK
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144
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Shou H, He Z, Peng G, Su W, Yu J. Two approaches for the synthesis of levo-praziquantel. Org Biomol Chem 2021; 19:4507-4514. [PMID: 33908985 DOI: 10.1039/d1ob00453k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We report herein the development of two pathways for the preparation of levo-praziquantel (R-PZQ), which involves three-/four-step processes of a mechanochemical (asymmetric) aza-Henry/acylation reaction, a hydrogenation reaction, (chiral resolution) and a solvent-free acylation-ring closing reaction. The key intermediate (R)-1-aminomethyl tetrahydroisoquinoline could be obtained either by chiral resolution with a rational reuse of the S-isomer or by mechanochemical enantioselective synthesis that refrained from using a bulky toxic solvent. The efficiency and scalability of both the developed routes were demonstrated and desired target product was obtained in a satisfactory yield with excellent enantiopurity (>99%), offering practical, concise and environmentally friendly alternatives to access R-PZQ.
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Affiliation(s)
- Haowen Shou
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, PR China.
| | - Zhaoting He
- Beijing Fukangren Bio-pharm Tech Co., Ltd, 102627, P. R. China
| | - Gang Peng
- Huadong Medicine Co., Ltd, Hangzhou 310011, P. R. China
| | - Weike Su
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, PR China.
| | - Jingbo Yu
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, PR China.
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145
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Ma W, Han Y, Sun J, Yan C. Three-Component Reaction for Efficient Synthesis of Functionalized Spiro[cyclopentane-1,3'-indolines]. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202103034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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