1
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Vedovato V, Gangano AJ, Ghiviriga I, Grenning AJ. Three-Component cine, ipso-Disubstitution of Nitrocoumarins. Org Lett 2024; 26:647-652. [PMID: 38215699 PMCID: PMC11392425 DOI: 10.1021/acs.orglett.3c03996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2024]
Abstract
The development of a three-component cine,ipso-disubstitution of nitrocoumarins is reported. The reaction leverages the electrophilicity of nitrocoumarins, the nucleophilicity of nitronates, and the leaving group ability of nitrite (NO2-) to yield complex polyfunctionalized biaryls that often display stable axial chirality.
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Affiliation(s)
- Vincent Vedovato
- Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Anghelo J Gangano
- Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Ion Ghiviriga
- Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Alexander J Grenning
- Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
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2
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Chen Y, Zhao JQ, Zhang YP, Zhou MQ, Zhang XM, Yuan WC. Copper-Catalyzed Asymmetric Dearomative [3+2] Cycloaddition of Nitroheteroarenes with Azomethines. Molecules 2023; 28:molecules28062765. [PMID: 36985737 PMCID: PMC10057014 DOI: 10.3390/molecules28062765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/17/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Catalytic asymmetric dearomative [3+2] cycloaddition of α-imino γ-lactones with either 3-nitroindoles or 2-nitrobenzofurans by using a chiral copper complex as the catalyst was developed. A wide range of structurally diverse polyheterocyclic compounds containing spirocyclic-fused butyrolactone-pyrrolidine-indoline and butyrolactone-pyrrolidine-dihydrobenzofuran skeletons could be smoothly obtained with excellent results (>99:1 dr and 98% ee). The potential synthetic applications of this methodology were also demonstrated by the scale-up experiment and by the diverse transformations of one product. This method is characterized by high asymmetric induction, wide functional group tolerance and scalability, and attractive product diversification.
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Affiliation(s)
- Yan Chen
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian-Qiang Zhao
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yan-Ping Zhang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Ming-Qiang Zhou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiao-Mei Zhang
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- Department of Chemistry, Xihua University, Chengdu 610039, China
| | - Wei-Cheng Yuan
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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3
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Guo DG, Wang HJ, Zhou Y, Liu XL. Advances in chromone-based reactants in the ring opening and skeletal reconstruction reaction: access to skeletally diverse salicyloylbenzene/heterocycle derivatives. Org Biomol Chem 2022; 20:4681-4698. [PMID: 35617020 DOI: 10.1039/d2ob00478j] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Salicyloylbenzene/heterocycles are privileged scaffolds found in many natural products and bioactive molecules. Numerous useful approaches for the preparation of these privileged scaffolds have been developed in recent years. Among these approaches, chromone-based reactants have demonstrated their importance in the synthesis of these salicyloylbenzene/heterocycle scaffolds with structural complexity and potential biological appeal. In this review, the recent advances in the synthesis of salicyloylbenzene/heterocycles are summarized and discussed according to the chromone-based reactants which could be achieved in one step via ring-opening and skeletal reconstruction reactions. Both the mechanisms and the applications of the corresponding products in organic and medicinal chemistry are also described.
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Affiliation(s)
- Dong-Gui Guo
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China. .,College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang 550003, China
| | - Hui-Juan Wang
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China.
| | - Ying Zhou
- College of Pharmaceutical Sciences, Guizhou University of Chinese Medicine, Guiyang, Guizhou 550025, P. R. China
| | - Xiong-Li Liu
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China.
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4
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Zhou XJ, Zhao JQ, Lai YQ, You Y, Wang ZH, Yuan WC. Organocatalyzed asymmetric dearomative 1,3-dipolar cycloaddition of 2-nitrobenzofurans and N-2,2,2-trifluoroethylisatin ketimines. Chirality 2022; 34:1019-1034. [PMID: 35521642 DOI: 10.1002/chir.23455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/21/2022] [Accepted: 04/25/2022] [Indexed: 11/08/2022]
Abstract
A readily available chiral cyclohexanediamine-derived bifunctional tertiary amine-squaramide catalyst is more effective for the asymmetric dearomative 1,3-dipolar cycloaddition of 2-nitrobenzofurans and N-2,2,2-trifluoroethylisatin ketimines. A range of structurally diverse spiro-fused polyheterocyclic compounds containing oxindole, pyrrolidine, and hydrobenzofuran motifs were smoothly obtained in excellent results (up to 99% yield, >20:1 dr in all cases and up to 99% ee). This method features high efficiency, mild reaction conditions, exquisite asymmetric induction, wide functional group tolerance, great potential for scale-up synthesis, and attractive product diversification.
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Affiliation(s)
- Xiao-Jian Zhou
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu, China.,Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Jian-Qiang Zhao
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu, China
| | - Yue-Qin Lai
- Zhejiang Jinhua Conba Bio-Pharm. Co. Ltd., Jinhua, China
| | - Yong You
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu, China
| | - Zhen-Hua Wang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu, China
| | - Wei-Cheng Yuan
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu, China
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5
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Shen YB, Zhao JQ, Ge ZZ, Wang ZH, You Y, Zhou MQ, Yuan WC. HFIP-promoted intramolecular dearomative annulation of pyridylacetate derivatives to access functionalized 3,4-dihydroquinolizin-2-ones. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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6
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Dou PH, Yuan SP, Chen Y, Zhao JQ, Wang ZH, You Y, Zhang YP, Zhou MQ, Yuan WC. Dearomatization of 3-Nitroindoles Enabled Using Palladium-Catalyzed Decarboxylative [4 + 2] Cycloaddition of 2-Alkylidenetrimethylene Carbonates. J Org Chem 2022; 87:6025-6037. [PMID: 35436114 DOI: 10.1021/acs.joc.2c00276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A dearomatization process of 3-nitroindoles enabled using palladium-catalyzed decarboxylative [4 + 2] cycloaddition of either 2-alkylidenetrimethylene carbonates or 2-(hydroxymethyl)-3-arylallyl carbonates has been developed, affording a wide range of indoline-fused tetrahydropyrans in good yields with excellent diastereoselectivities. This reaction features a wide substrate scope and mild conditions and represents the first example of the application of π-allyl palladium 1,4-[O,C]-dipole species for the dearomative cycloaddition of electron-deficient heteroarenes.
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Affiliation(s)
- Pei-Hao Dou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China.,Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shu-Pei Yuan
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China.,Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yan Chen
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China.,Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian-Qiang Zhao
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Zhen-Hua Wang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yong You
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yan-Ping Zhang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Ming-Qiang Zhou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Wei-Cheng Yuan
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China.,Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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7
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Muthusamy S, Prabu A. BF 3·OEt 2 catalyzed decarbonylative arylation/C-H functionalization of diazoamides with arylaldehydes: synthesis of substituted 3-aryloxindoles. Org Biomol Chem 2022; 20:2209-2216. [PMID: 35229865 DOI: 10.1039/d2ob00003b] [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
A metal-free BF3·OEt2 catalyzed direct decarbonylative arylation of diazoamides with readily accessible aryl aldehydes under an open-air atmosphere was developed to afford 3-aryloxindoles via 1,2-aryl migration with high selectivity. The reaction offers an efficient pathway for 3-arylation of diazoamides under relatively mild conditions, which shows a high level of functional group tolerance of both electron-donating and electron-withdrawing groups with a broad substrate scope. 3-Aryloxindoles were also obtained by a substituent-controlled chemo- and site-selective C-H bond functionalization of unprotected salicylaldehyde derivatives.
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Affiliation(s)
| | - Ammasi Prabu
- School of Chemistry, Bharathidasan University, Tiruchirappalli-620 024, India.
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8
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Yuan WC, Chen XM, Zhao JQ, Zhang YP, Wang ZH, You Y. Ag-Catalyzed Asymmetric Interrupted Barton-Zard Reaction Enabling the Enantioselective Dearomatization of 2- and 3-Nitroindoles. Org Lett 2022; 24:826-831. [PMID: 35029401 DOI: 10.1021/acs.orglett.1c04036] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We disclose a Ag-catalyzed asymmetric interrupted Barton-Zard reaction of α-aryl-substituted isocyanoacetates with 2- and 3-nitroindoles, which enables the dearomatization of nitroindoles and hence offers rapid access to an array of optically active tetrahydropyrrolo[3,4-b]indole derivatives bearing three contiguous stereogenic centers, including two tetrasubstituted chiral carbon atoms with pretty outcomes (up to 99% yield, 91:9 dr, and 96% ee). The synthetic potential of the protocol was showcased by the gram-scale reaction and versatile transformations of the product.
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Affiliation(s)
- Wei-Cheng Yuan
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Xin-Meng Chen
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Jian-Qiang Zhao
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Yan-Ping Zhang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Zhen-Hua Wang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Yong You
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, School of Pharmacy, Chengdu University, Chengdu 610106, China
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9
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Zhao JQ, Zhou S, Qian HL, Wang ZH, Zhang YP, You Y, Yuan WC. Higher-order [10 + 2] cycloaddition of 2-alkylidene-1-indanones enables the dearomatization of 3-nitroindoles: access to polycyclic cyclopenta[ b]indoline derivatives. Org Chem Front 2022. [DOI: 10.1039/d2qo00289b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The higher-order [10 + 2] cycloaddition of 3-nitroindoles and 2-alkylidene-1-indanones enables the dearomatization of 3-nitroindoles and affords a range of structurally diverse cyclopenta[b]indolines with excellent results.
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Affiliation(s)
- Jian-Qiang Zhao
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Shun Zhou
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Hui-Ling Qian
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Zhen-Hua Wang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yan-Ping Zhang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yong You
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Wei-Cheng Yuan
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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10
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Hu F, Wang L, Wang P, Ding Z, Chen Y, Xu L, Liu XL, Li SS. Switchable construction of oxa-heterocycles with diverse ring sizes via chemoselective cyclization controlled by dibrominated compounds. Org Chem Front 2022. [DOI: 10.1039/d2qo01273a] [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
Switchable construction of oxa-heterocycles with diverse ring sizes has been developed by performing dibrominated-compound-controlled chemoselective cyclization and subsequent derivatization.
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Affiliation(s)
- Fangzhi Hu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Liang Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Peng Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Zhanshuai Ding
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Yuzhuo Chen
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Lubin Xu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Xiong-Li Liu
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang 550025, P. R. China
| | - Shuai-Shuai Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
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11
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Shen YB, Zhao JQ, Wang ZH, You Y, Zhou MQ, Yuan WC. DBU-catalyzed dearomative annulation of 2-pyridylacetates with α,β-unsaturated pyrazolamides for the synthesis of multisubstituted 2,3-dihydro-4H-quinolizin-4-ones. Org Chem Front 2022. [DOI: 10.1039/d1qo01414e] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
DBU-catalyzed dearomative [3 + 3] annulation of 2-pyridylacetates and α,β-unsaturated pyrazolamides for the synthesis of multisubstituted 2,3-dihydro-4H-quinolizin-4-ones was developed.
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Affiliation(s)
- Yao-Bin Shen
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jian-Qiang Zhao
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Zhen-Hua Wang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yong You
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Ming-Qiang Zhou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Wei-Cheng Yuan
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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12
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Zhao JQ, Zhou S, Yang L, Du HY, You Y, Wang ZH, Zhou MQ, Yuan WC. Catalytic Asymmetric Dearomative 1,3-Dipolar Cycloaddition of 2-Nitrobenzothiophenes and Isatin-Derived Azomethine Ylides. Org Lett 2021; 23:8600-8605. [PMID: 34672632 DOI: 10.1021/acs.orglett.1c03318] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An enantioselective dearomative 1,3-dipolar cycloaddition of 2-nitrobenzothiophenes and isatin-derived azomethine ylides with a bifunctional hydrogen-bonding thiourea catalyst was established, giving polyheterocyclic compounds in excellent results (up to 99% yield, >20:1 dr for all cases and up to 99% ee). The enantioselectivity could be reversed by the bifunctional hydrogen-bonding squaramide catalyst containing the same chiral source as in the thiourea catalyst. DFT calculations revealed the origin of the observed stereochemistry and the reversal of enantioselectivity.
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Affiliation(s)
- Jian-Qiang Zhao
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Shun Zhou
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China.,National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Lei Yang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China.,National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Hong-Yan Du
- Institute of Forensic Science, Ministry of Public Security, Beijing 100038, China
| | - Yong You
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Zhen-Hua Wang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Ming-Qiang Zhou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Wei-Cheng Yuan
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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13
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Zhou P, Yi Y, Hua YZ, Jia SK, Wang MC. Dinuclear Zinc Catalyzed Enantioselective Dearomatization [3+2] Annulation of 2-Nitrobenzofurans and 2-Nitrobenzothiophenes. Chemistry 2021; 28:e202103688. [PMID: 34713514 DOI: 10.1002/chem.202103688] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Indexed: 12/18/2022]
Abstract
The application of dinuclear zinc catalysts in a dearomatization reaction has been developed. Catalytic asymmetric dearomatization [3+2] annulations of 2-nitrobenzofurans or 2-nitrobenzothiophenes with CF3 -containing N-unprotected isatin-derived azomethine ylides catalyzed by dinuclear zinc catalysts are realized with excellent diastereomer ratios (dr) of >20 : 1 and enantiomeric excess (ee) of up to 99 %. This protocol provides a practical, straightforward access to structurally diverse pyrrolidinyl spirooxindoles containing a 2,3-fused-dihydrobenzofuran (or dihydrobenzothiphene) moiety, and four contiguous stereocenters. Reactions can be performed on a gram scale. The absolute configuration of products is confirmed by X-ray single crystal structure analysis, and a possible mechanism is proposed.
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Affiliation(s)
- Peng Zhou
- College of Chemistry and Institute of Green Catalysis, Zhengzhou University, No. 100, Science Road, Zhengzhou City, Henan province 450000, P. R. China
| | - Yang Yi
- College of Chemistry and Institute of Green Catalysis, Zhengzhou University, No. 100, Science Road, Zhengzhou City, Henan province 450000, P. R. China
| | - Yuan-Zhao Hua
- College of Chemistry and Institute of Green Catalysis, Zhengzhou University, No. 100, Science Road, Zhengzhou City, Henan province 450000, P. R. China
| | - Shi-Kun Jia
- College of Chemistry and Institute of Green Catalysis, Zhengzhou University, No. 100, Science Road, Zhengzhou City, Henan province 450000, P. R. China
| | - Min-Can Wang
- College of Chemistry and Institute of Green Catalysis, Zhengzhou University, No. 100, Science Road, Zhengzhou City, Henan province 450000, P. R. China
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14
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Dou P, Chen Y, You Y, Wang Z, Zhao J, Zhou M, Yuan W. Organocatalyzed Asymmetric Dearomative [3+2] Annulation of Electron‐Deficient 2‐Nitrobenzo Heteroarenes with 3‐Isothiocyanato Oxindoles. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100516] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Pei‐Hao Dou
- National Engineering Research Center of Chiral Drugs Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Chengdu 610041 People's Republic of China
- Institute for Advanced Study Chengdu University Chengdu 610106 People's Republic of China
- University of Chinese Academy of Sciences Beijing 100049 People's Republic of China
| | - Yan Chen
- National Engineering Research Center of Chiral Drugs Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Chengdu 610041 People's Republic of China
- Institute for Advanced Study Chengdu University Chengdu 610106 People's Republic of China
- University of Chinese Academy of Sciences Beijing 100049 People's Republic of China
| | - Yong You
- Institute for Advanced Study Chengdu University Chengdu 610106 People's Republic of China
| | - Zhen‐Hua Wang
- Institute for Advanced Study Chengdu University Chengdu 610106 People's Republic of China
| | - Jian‐Qiang Zhao
- Institute for Advanced Study Chengdu University Chengdu 610106 People's Republic of China
| | - Ming‐Qiang Zhou
- National Engineering Research Center of Chiral Drugs Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Chengdu 610041 People's Republic of China
| | - Wei‐Cheng Yuan
- National Engineering Research Center of Chiral Drugs Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Chengdu 610041 People's Republic of China
- Institute for Advanced Study Chengdu University Chengdu 610106 People's Republic of China
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15
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Jiang Z, Liu X, Zhang H, Tan J, Ren X, Gao G, Wang T. Bifunctinoal Phosphonium Salt‐Catalyzed Asymmetric Cyclodearomatization of 2‐Nitroindoles and 2‐Nitrobenzofurans for Constructing CF
3
‐Containing Spiro‐Polycycles. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100328] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Zhiyu Jiang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Xin Liu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Hongkui Zhang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Jian‐Ping Tan
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
- Hunan Province Key Laboratory of Environmental Catalysis and Waste Recycling College of Materials and Chemical Engineering, Hunan Institute of Engineering Xiangtan 411104 People's Republic of China
| | - Xiaoyu Ren
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Guowei Gao
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Tianli Wang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
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16
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Xu J, Li R, Xu N, Liu X, Wang F, Feng X. Enantioselective [4 + 2] Cycloaddition/Cyclization Cascade Reaction and Total Synthesis of cis-Bis(cyclotryptamine) Alkaloids. Org Lett 2021; 23:1856-1861. [PMID: 33621106 DOI: 10.1021/acs.orglett.1c00260] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The asymmetric catalytic synthesis of 3-cyclotryptamine substituted oxindoles through formal [4 + 2] cycloaddition/cyclization cascade is described. A wide range of cyclotryptamine derivatives were obtained in enantioenriched form under mild reaction conditions and were found to have potential anticancer activity. The strategy enables ready assembly of cyclotryptamine subunits at the C3a-C3a' positions with two quaternary stereogenic centers in cis-selectivity, leading to the concise synthesis of optically active cis-bis(hexahydropyrroloindole) and others of the cyclotryptamine alkaloid family.
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Affiliation(s)
- Jian Xu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Runze Li
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Nian Xu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Fei Wang
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
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17
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Deng Z, Feng J, Zhou F, Ouyang Y, Ma H, Zhou W, Zhang X, Cai Q. Copper( i)–catalyzed intramolecular asymmetric C-arylation of acyclic β-ester amides: enantioselective formation of chiral oxindoles. Org Chem Front 2021. [DOI: 10.1039/d1qo00568e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A highly efficient intramolecular asymmetric C-arylation of acyclic β-ester amides is demonstrated.
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Affiliation(s)
- Zhuoji Deng
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education
- College of Pharmacy
- Jinan University
- Guangzhou
- China
| | - Jiajie Feng
- Lab of Computational Chemistry and Drug Design
- State Key Laboratory of Chemical Oncogenomics
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
| | - Fengtao Zhou
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education
- College of Pharmacy
- Jinan University
- Guangzhou
- China
| | - Yifan Ouyang
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education
- College of Pharmacy
- Jinan University
- Guangzhou
- China
| | - Haowen Ma
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education
- College of Pharmacy
- Jinan University
- Guangzhou
- China
| | - Wei Zhou
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education
- College of Pharmacy
- Jinan University
- Guangzhou
- China
| | - Xinhao Zhang
- Lab of Computational Chemistry and Drug Design
- State Key Laboratory of Chemical Oncogenomics
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
| | - Qian Cai
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education
- College of Pharmacy
- Jinan University
- Guangzhou
- China
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18
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Zhao JQ, Zhou S, Wang ZH, You Y, Chen S, Liu XL, Zhou MQ, Yuan WC. Catalytic asymmetric dearomative [4 + 2] annulation of 2-nitrobenzofurans and 5 H-thiazol-4-ones: stereoselective construction of dihydrobenzofuran-bridged polycyclic skeletons. Org Chem Front 2021. [DOI: 10.1039/d1qo01061a] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
An organocatalytic asymmetric dearomative [4 + 2] annulation of 2-nitrobenzofurans and 5H-thiazol-4-ones is developed for the construction of dihydrobenzofuran-bridged polycyclic skeletons with good results.
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Affiliation(s)
- Jian-Qiang Zhao
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Shun Zhou
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Zhen-Hua Wang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yong You
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Shuang Chen
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine, Guizhou University, Guiyang, Guizhou 550025, China
| | - Xiong-Li Liu
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine, Guizhou University, Guiyang, Guizhou 550025, China
| | - Ming-Qiang Zhou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Wei-Cheng Yuan
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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19
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Huang Y, Li J, Li S, Ma J. Cobalt-Catalyzed Aerobic Oxidative Dearomatization of 2-Aryl Indoles and in situ [3+2] Annulation with Enamides. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202104057] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Lu WY, Wang Y, You Y, Wang ZH, Zhao JQ, Zhou MQ, Yuan WC. Copper-Catalyzed Decarboxylative [3 + 2] Annulation of Ethynylethylene Carbonates with Azlactones: Access to γ-Butyrolactones Bearing Two Vicinal Quaternary Carbon Centers. J Org Chem 2020; 86:1779-1788. [PMID: 33377785 DOI: 10.1021/acs.joc.0c02621] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
An efficient decarboxylative [3 + 2] annulation reaction of ethynylethylene carbonates and azlactones has been developed with a copper salt as catalyst. This practical methodology gives access to a diverse library of γ-butyrolactones bearing α,β-two vicinal quaternary carbon centers in good to high yields with good levels of diastereoselectivities (up to 98% yield, >95:5 dr). Preliminary trials on enantioselective variant with a chiral PyBox ligand provided chiral products in up to 71% ee. This synthetic method features mild reaction conditions, broad functional group tolerance, large-scale synthesis, and versatile products transformation. A plausible catalytic cycle for the protocol is proposed based on previous related studies and our experimental observations.
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Affiliation(s)
- Wen-Ya Lu
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yun Wang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi, 563006, China
| | - Yong You
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Zhen-Hua Wang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Jian-Qiang Zhao
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Ming-Qiang Zhou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei-Cheng Yuan
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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