1
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Lighting Up the Organochalcogen Synthesis: A Concise Update of Recent Photocatalyzed Approaches. Catalysts 2023. [DOI: 10.3390/catal13030520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023] Open
Abstract
This review describes the recent advances in photocatalyzed reactions to form new carbon–sulfur and carbon–selenium bonds. With a total of 136 references, of which 81 articles are presented, the authors introduce in five sections an updated picture of the state of the art in the light-promoted synthesis of organochalcogen compounds (from 2019 to present). The light-promoted synthesis of sulfides by direct sulfenylation of C–C π-bonds; synthesis of sulfones; the activation of Csp2–N bond in the formation of Csp2–S bonds; synthesis of thiol ester, thioether and thioacetal; and the synthesis of organoselenium compounds are discussed, with detailed reaction conditions and selected examples for each protocol.
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2
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Lee J, An S, Jang M, Jung HM, Lee S. Recyclable and dual active catalyst of copper nanocluster-bound graphitic carbon nitride for the photo-induced synthesis of arylsulfones. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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3
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Wang L, Li M, Ning Z, Zhang X, Fu Y, Du Z. Copper- and Visible-Light-Catalyzed Cascade Radical Cyclization of N-Propargylindoles with Cyclic Ethers. J Org Chem 2022; 88:6374-6381. [PMID: 36269585 DOI: 10.1021/acs.joc.2c01713] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient visible-light-assisted, copper-catalyzed tandem radical cyclization of N-propargylindoles with cyclic ethers is established. A series of 2-oxoalkyl-9H-pyrrolo[1,2-a]indol-9-ones with potential biological activities were synthesized in moderate yields by using a dual catalytic system with copper acetate as a transition metal catalyst and eosin Y as a visible light catalyst. The investigation of reaction mechanism shows that it goes through a cascade oxoalkyl radical addition, cyclization, and oxidation process.
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Affiliation(s)
- Luyao Wang
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P. R. China
| | - Mengting Li
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P. R. China
| | - Zhitao Ning
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P. R. China
| | - Xi Zhang
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P. R. China
| | - Ying Fu
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P. R. China
| | - Zhengyin Du
- Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, P. R. China
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4
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Zhang P, Li W, Zhu X, Li Y, Zhao X, Shi S, Zhu F, Lin J, Gao X. Photoredox and Copper‐Catalyzed Sulfonylphosphorothiolation of Alkenes toward β‐Sulfonyl Phosphorothioates. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | | | | | - Ying Li
- Xinxiang Medical University CHINA
| | | | | | | | | | - Xia Gao
- Xinxiang Medical University CHINA
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5
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Babu SS, Gopinath P. Photomediated Tandem Sulfonyl Addition-Chemoselective N-Cyclization of o-Alkenyl Aryl Ureas: Direct Assembly of Functionalized Dihydroquinazolinones. J Org Chem 2022; 87:9414-9418. [PMID: 35793538 DOI: 10.1021/acs.joc.2c00832] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Photoredox-mediated tandem addition-chemoselective cyclization of o-alkenyl aryl ureas is reported for the synthesis of sulfonyl and activated alkyl-decorated dihydroquinazolinones. By a careful choice of o-alkenyl aryl urea starting materials, we achieved chemoselective N-cyclization in the presence of more reactive amidic oxygen. We have demonstrated the scope of the methodology with a variety of sulfonyl chlorides and activated alkyl halides. Finally, large-scale synthesis of sulfonyl-substituted dihydroquinazolinone showcases the synthetic utility of the methodology.
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Affiliation(s)
- Sakamuri Sarath Babu
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
| | - Purushothaman Gopinath
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
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6
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Shan Y, Yang Z, Yu JT, Pan C. Metal-free polychloromethyl radical-initiated cyclization of unactivated N-allylindoles towards pyrrolo[1,2- a]indoles. Org Biomol Chem 2022; 20:5259-5263. [PMID: 35735246 DOI: 10.1039/d2ob00471b] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A metal-free polychloromethyl radical-initiated cyclization of unactivated alkenes was developed using CH2Cl2 and CHCl3 as the di- and trichloromethyl radical sources. Variously substituted N-allyl-indoles were successfully transformed into the corresponding C2-(di- and trichloromethyl) pyrrolo[1,2-a]indoles in moderate to good yields. This reaction has a broad substrate scope and good functional group tolerance. Dibromomethylated products can also be obtained using CH2Br2 under standard conditions.
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Affiliation(s)
- Yujia Shan
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China.
| | - Zixian Yang
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China.
| | - Jin-Tao Yu
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China.
| | - Changduo Pan
- School of Chemical and Environmental Engineering, Jiangsu University of Technology, Changzhou 213001, P. R. China.
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7
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Yang R, Yi D, Shen K, Fu Q, Wei J, Lu J, Yang L, Wang L, Wei S, Zhang Z. Indole and Pyrrole Derivatives as Pre-photocatalysts and Substrates in the Sulfonyl Radical-Triggered Relay Cyclization Leading to Sulfonylated Heterocycles. Org Lett 2022; 24:2014-2019. [DOI: 10.1021/acs.orglett.2c00472] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ran Yang
- Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Dong Yi
- Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Kunrong Shen
- Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Qiang Fu
- Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Jun Wei
- Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Ji Lu
- Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Lin Yang
- Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Li Wang
- Department of Nuclear Medicine, Affiliated Hospital, Southwest Medical University, Luzhou 646000, China
| | - Siping Wei
- Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, China
| | - Zhijie Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
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8
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Zhang J, Wu M, Ju H, Yang H, Qian B, Ding K, Wu J, Xie M. K2S2O8-mediated acylarylation of unactivated alkenes via acyl radical addition/C–H annulation cascade of N-allyl-indoles with silver cocatalysis. Org Chem Front 2022. [DOI: 10.1039/d1qo01069g] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A silver-catalyzed, K2S2O8-mediated protocol to access the regioselective acylarylation of unactivated alkenes was reported.
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Affiliation(s)
- Jitan Zhang
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Manyi Wu
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Hu Ju
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Haitao Yang
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Baiyang Qian
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Ke Ding
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Jiaping Wu
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Meihua Xie
- Key Laboratory of Functional Molecular Solids (Ministry of Education), Anhui Key Laboratory of Molecular Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
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9
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Wang W, Zhang M, Yang W, Yang X. Research Progress in Radical Cascade Reaction Using Nitrogen Heterocycle in Indoles as Radical Acceptors. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202107012] [Citation(s) in RCA: 2] [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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10
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Yang DY, Liu L, Gu JY, He YH, Guan Z. Photoredox Catalyzed Radical Cascade Aroylation (Sulfonylation)/Cyclization Enables Access to Fused Indolo-pyridones. J Org Chem 2021; 86:18042-18055. [PMID: 34871003 DOI: 10.1021/acs.joc.1c02335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A visible-light-initiated radical cascade reaction toward the synthesis of structurally diverse fused Indolo-pyridones is described. The reaction involves the addition of aroyl or sulfonyl radicals to N-alkyl-acryloyl-1H-indole-3-carboxamides, cyclization, and oxidative aromatization. This telescoped method circumvents lengthy prefunctionalization steps of radical precursors, which is further underpinned by the superior compatibility with a series of C-centered radicals, allowing the rapid and facile construction of numerous valuable architectures.
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Affiliation(s)
- De-Yong Yang
- Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Liang Liu
- Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Jia-Yi Gu
- Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Yan-Hong He
- Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zhi Guan
- Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
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11
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Yu WQ, Xie J, Chen Z, Xiong BQ, Liu Y, Tang KW. Visible-Light-Induced Transition-Metal-Free Nitrogen-Centered Radical Strategy for the Synthesis of 2-Acylated 9 H-Pyrrolo[1,2- a]indoles. J Org Chem 2021; 86:13720-13733. [PMID: 34523335 DOI: 10.1021/acs.joc.1c01834] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A convenient and efficient visible-light-induced tandem acylation/cyclization of N-propargylindoles with aryl- or alkyl-substituted acyl oxime esters for the synthesis of 2-acyl-substituted 9H-pyrrolo[1,2-a]indoles under transition-metal-free conditions, which proceeds via nitrogen-centered radical-mediated cleavage of the C-C σ-bond in acyl oxime esters, is established. The aryl or alkyl acyl radicals, which come from acyl oxime esters, attack the C-C triple bonds in N-propargylindoles and then go through intramolecular cyclization/isomerization.
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Affiliation(s)
- Wen-Qin Yu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Jun Xie
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Zan Chen
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Bi-Quan Xiong
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Yu Liu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Ke-Wen Tang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
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12
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Shelke YG, Hande PE, Gharpure SJ. Recent advances in the synthesis of pyrrolo[1,2- a]indoles and their derivatives. Org Biomol Chem 2021; 19:7544-7574. [PMID: 34524330 DOI: 10.1039/d1ob01103k] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The pyrrolo[1,2-a]indole unit is a privileged heterocycle found in numerous natural products and has been shown to exhibit diverse pharmacological properties. Thus, recent years have witnessed immense interest from the synthesis community on the synthesis of this scaffold. In light of the ever-increasing demand for pyrrolo[1,2-a]indoles in drug discovery, this review provides an overview of recent synthesis methods for the preparation of pyrrolo[1,2-a]indoles and their derivatives. The mechanistic pathway and stereo-electronic factors affecting the yield and selectivity of the product are briefly explained. Furthermore, we have attempted to demonstrate the utility of the developed methods in the synthesis of bioactive molecules and natural products, wherever offered.
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Affiliation(s)
- Yogesh G Shelke
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Pankaj E Hande
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Santosh J Gharpure
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
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13
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Zhang P, Yu G, Zhao N, Zhang S, Zhang M, Wang L, Li Z, Ying J, Gao X. Palladium-Catalyzed Cascade Difluoroalkylation and Phosphinoylation of 2-Vinyloxy Arylalkynes: Selective Synthesis of Difluoroalkyl-Containing Tetrasubstituted Alkenylphosphine Oxides. J Org Chem 2021; 86:10105-10117. [PMID: 34259510 DOI: 10.1021/acs.joc.1c00828] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A Pd-catalyzed difluoroalkylation/cyclization/phosphinoylation of 2-vinyloxy arylalkynes with ethyl difluoroiodoacetate and diarylphosphine oxides has been successfully developed. This reaction allows the formation of Csp3-CF2, Csp3-Csp2, and Csp2-P(O) bonds in one step, providing a straightforward route to difluoroalkyl-containing tetrasubstituted alkenylphosphine oxides with complete stereoselectivities under mild conditions.
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Affiliation(s)
- Pengbo Zhang
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Guo Yu
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Ning Zhao
- Henan Institute of Technology, Xinxiang, Henan 453003, PR China
| | - Shanshan Zhang
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Minghui Zhang
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Longyu Wang
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Zhaoting Li
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Jianxi Ying
- Institute of Drug Discovery Technology, Ningbo University, No.818 Fenghua Road, Ningbo, Zhejiang 315211, China
| | - Xia Gao
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
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14
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Joseph D, Idris MA, Chen J, Lee S. Recent Advances in the Catalytic Synthesis of Arylsulfonyl Compounds. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05690] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Devaneyan Joseph
- Department of Chemistry, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Muhammad Aliyu Idris
- Department of Chemistry, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Jiajia Chen
- Department of Chemistry, Chonnam National University, Gwangju 61186, Republic of Korea
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang Province 325035, People’s Republic of China
| | - Sunwoo Lee
- Department of Chemistry, Chonnam National University, Gwangju 61186, Republic of Korea
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15
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Liu Y, Chen Z, Chen P, Xiong B, Xie J, Liu A, Liang Y, Tang K. Visible-Light-Catalyzed Tandem Cyanoalkylsulfonylation/ Cyclization of Alkynes. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202102051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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16
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Ding R, Fu JM, Tian HY, Chen NS, Liu L, Guo Y, Wang PL. Sulfonyl radical-induced regioselective cyclization of 3-aza-1,5-enynes with sulfonyl chlorides to produce 1,2-dihydropyridines by copper catalysis. NEW J CHEM 2021. [DOI: 10.1039/d1nj01821c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
A Cu-catalyzed regioselective cyclization of 3-aza-1,5-enynes with sulfonyl chlorides for the synthesis of 1,2-dihydropyridines is described.
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Affiliation(s)
- Ran Ding
- College of Chemistry and Materials Engineering
- Anhui Science and Technology University
- Bengbu
- P. R. China
| | - Jian-Ming Fu
- College of Chemistry and Materials Engineering
- Anhui Science and Technology University
- Bengbu
- P. R. China
| | - Hai-Yu Tian
- College of Chemistry and Materials Engineering
- Anhui Science and Technology University
- Bengbu
- P. R. China
| | - Nian-Shou Chen
- College of Chemistry and Materials Engineering
- Anhui Science and Technology University
- Bengbu
- P. R. China
| | - Lei Liu
- College of Chemistry and Materials Engineering
- Anhui Science and Technology University
- Bengbu
- P. R. China
| | - Yu Guo
- College of Chemistry and Materials Engineering
- Anhui Science and Technology University
- Bengbu
- P. R. China
| | - Pei-Long Wang
- School of Chemistry and Materials Science
- Huaibei Normal University
- Huaibei
- P. R. China
- Information College
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17
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Dong D, Han Q, Yang S, Song J, Li N, Wang Z, Xu X. Recent Progress in Sulfonylation via Radical Reaction with Sodium Sulfinates, Sulfinic Acids, Sulfonyl Chlorides or Sulfonyl Hydrazides. ChemistrySelect 2020. [DOI: 10.1002/slct.202003650] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Dao‐Qing Dong
- College of Chemistry and Pharmaceutical Sciences Qingdao Agricultural University Qingdao 266109 P.R. China
| | - Qing‐Qing Han
- College of Chemistry and Pharmaceutical Sciences Qingdao Agricultural University Qingdao 266109 P.R. China
| | - Shao‐Hui Yang
- College of Chemistry and Pharmaceutical Sciences Qingdao Agricultural University Qingdao 266109 P.R. China
| | - Jing‐Cheng Song
- College of Chemistry and Pharmaceutical Sciences Qingdao Agricultural University Qingdao 266109 P.R. China
| | - Na Li
- College of Chemistry and Pharmaceutical Sciences Qingdao Agricultural University Qingdao 266109 P.R. China
| | - Zu‐Li Wang
- College of Chemistry and Pharmaceutical Sciences Qingdao Agricultural University Qingdao 266109 P.R. China
| | - Xin‐Ming Xu
- College ofChemistry and Chemical Engineering Yantai University Yantai 264005 P.R. China
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18
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Liu Y, Chen Z, Wang QL, Chen P, Xie J, Xiong BQ, Zhang PL, Tang KW. Visible Light-Catalyzed Cascade Radical Cyclization of N-Propargylindoles with Acyl Chlorides for the Synthesis of 2-Acyl-9H-pyrrolo[1,2-a]indoles. J Org Chem 2020; 85:2385-2394. [DOI: 10.1021/acs.joc.9b03090] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Yu Liu
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Zan Chen
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Qiao-Lin Wang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Pu Chen
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Jun Xie
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Bi-Quan Xiong
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Pan-Liang Zhang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
| | - Ke-Wen Tang
- Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, China
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19
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Reddy CR, Kajare RC, Punna N. Silver-catalyzed acylative annulation of N-propargylated indoles with α-keto acids: access to acylated pyrrolo[1,2-a]indoles. Chem Commun (Camb) 2020; 56:3445-3448. [DOI: 10.1039/c9cc10069e] [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
A novel carbon-centered radical cyclization of N-propargyl indoles with α-keto acids to form acylated pyrrolo[1,2-a]indoles involving difunctionalisation of the alkyne moiety with concomitant annulation is disclosed.
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Affiliation(s)
- Chada Raji Reddy
- Department of Organic Synthesis & Process Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad–500007
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Roshan Chandrakant Kajare
- Department of Organic Synthesis & Process Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad–500007
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Nagender Punna
- Department of Organic Synthesis & Process Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad–500007
- India
- Academy of Scientific and Innovative Research (AcSIR)
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20
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Lorton C, Voituriez A. Synthesis and Applications of 9H
-Pyrrolo[1,2-a
]indole and 9H
-Pyrrolo[1,2-a
]indol-9-one Derivatives. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900626] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Charlotte Lorton
- Institut de Chimie des Substances Naturelles; CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; 1 av. de la Terrasse 91198 Gif-sur-Yvette France
| | - Arnaud Voituriez
- Institut de Chimie des Substances Naturelles; CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; 1 av. de la Terrasse 91198 Gif-sur-Yvette France
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21
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Yang T, Kou P, Jin F, Song XR, Bai J, Ding H, Xiao Q, Liang YM. TFA-promoted sulfonation/cascade cyclization of 2-propynolphenols with sodium sulfinates to 4-sulfonyl 2H-chromenes under metal-free conditions. Org Chem Front 2019. [DOI: 10.1039/c9qo00712a] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel, efficient and metal-free cascade sulfonylation/cyclization of 2-propynolphenols with commercially available sodium sulfinates was developed for the synthesis of 4-sulfonyl 2H-chromenes under mild conditions.
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Affiliation(s)
- Tao Yang
- Institute of Organic Chemistry
- Jiangxi Science & Technology Normal University
- Key Laboratory of Organic Chemistry
- Nanchang 330013
- China
| | - Peihao Kou
- Institute of Organic Chemistry
- Jiangxi Science & Technology Normal University
- Key Laboratory of Organic Chemistry
- Nanchang 330013
- China
| | - Fengyan Jin
- Institute of Organic Chemistry
- Jiangxi Science & Technology Normal University
- Key Laboratory of Organic Chemistry
- Nanchang 330013
- China
| | - Xian-Rong Song
- Institute of Organic Chemistry
- Jiangxi Science & Technology Normal University
- Key Laboratory of Organic Chemistry
- Nanchang 330013
- China
| | - Jiang Bai
- Institute of Organic Chemistry
- Jiangxi Science & Technology Normal University
- Key Laboratory of Organic Chemistry
- Nanchang 330013
- China
| | - Haixin Ding
- Institute of Organic Chemistry
- Jiangxi Science & Technology Normal University
- Key Laboratory of Organic Chemistry
- Nanchang 330013
- China
| | - Qiang Xiao
- Institute of Organic Chemistry
- Jiangxi Science & Technology Normal University
- Key Laboratory of Organic Chemistry
- Nanchang 330013
- China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
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22
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Liu Y, Wang QL, Chen Z, Chen P, Tang KW, Zhou Q, Xie J. Visible-light-induced cascade sulfonylation/cyclization of N-propargylindoles with aryldiazonium tetrafluoroborates via the insertion of sulfur dioxide. Org Biomol Chem 2019; 17:10020-10029. [DOI: 10.1039/c9ob02102g] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A simple and efficient visible-light-catalyzed cascade sulfonylation/cyclization of N-propargylindoles with K2S2O5 and aryldiazonium tetrafluoroborates for the construction of 2-sulfonyl-substituted 9H-pyrrolo[1,2-a]indoles is developed.
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Affiliation(s)
- Yu Liu
- Department of Chemistry and Chemical Engineering
- Hunan Institute of Science and Technology
- Yueyang 414006
- China
| | - Qiao-Lin Wang
- Department of Chemistry and Chemical Engineering
- Hunan Institute of Science and Technology
- Yueyang 414006
- China
| | - Zan Chen
- Department of Chemistry and Chemical Engineering
- Hunan Institute of Science and Technology
- Yueyang 414006
- China
| | - Pu Chen
- Department of Chemistry and Chemical Engineering
- Hunan Institute of Science and Technology
- Yueyang 414006
- China
| | - Ke-Wen Tang
- Department of Chemistry and Chemical Engineering
- Hunan Institute of Science and Technology
- Yueyang 414006
- China
| | - Quan Zhou
- Department of Chemistry and Chemical Engineering
- Hunan Institute of Science and Technology
- Yueyang 414006
- China
| | - Jun Xie
- Department of Chemistry and Chemical Engineering
- Hunan Institute of Science and Technology
- Yueyang 414006
- China
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