1
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Mandal M, Pradhan R, Lourderaj U, Balamurugan R. Dodging the Conventional Reactivity of o-Alkynylanilines under Gold Catalysis for Distal 7- endo- dig Cyclization. J Org Chem 2023; 88:2260-2287. [PMID: 36744758 DOI: 10.1021/acs.joc.2c02668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A direct ring-closing strategy involving a less facile 7-endo-dig carbacyclization of o-alkynylaniline derivatives for the synthesis of benzo[b]azepines has been presented. The trivial well-documented 5-endo-dig cyclization in o-alkynylaniline derivatives due to high nucleophilicity of nitrogen has been overcome by using their vinylogous amides under gold catalysis to access a wide array of benzo[b]azepines in an atom economical way with excellent functional group compatibility. Deuterium scrambling experiments and DFT studies favor a mechanism involving stabilizing conformational change of the initially formed seven-membered vinyl gold intermediate through a key cyclopropyl gold carbene intermediate and its subsequent protodeauration mediated by the counter anion.
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Affiliation(s)
- Mou Mandal
- School of Chemistry, University of Hyderabad, Hyderabad, Telangana-500046, India
| | - Renuka Pradhan
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, HBNI, P.O. Jatni, Khurda, Odisha-752050, India
| | - Upakarasamy Lourderaj
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) Bhubaneswar, HBNI, P.O. Jatni, Khurda, Odisha-752050, India
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2
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Zhang H, He J, Xu W, Yang L, Zhang X, Wang H, Lang M, Wang J, Peng S. Unexpected Copper-Catalyzed Cascade Reaction of 1,6-Enynes with Sulfoxonium Ylides. Org Lett 2022; 24:7095-7100. [PMID: 36154184 DOI: 10.1021/acs.orglett.2c02620] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An unprecedented copper-catalyzed cascade reaction of 1,6-enynes with sulfoxonium ylides is reported, providing a series of structurally intriguing 2,3-disubstituted indolines bearing a conjugated dienone functionality at the 3-position in moderate to excellent yields with good chemo-, regio-, and diastereoselectivities under mild reaction conditions. Importantly, sulfoxonium-ylide-derived copper-carbene herein exhibits quite different reactivity from that of diazo copper-carbene. A rational mechanism, an initial ammonium ylide rather than allene formation, is proposed.
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Affiliation(s)
- Hong Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Jieyin He
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Wendi Xu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Liangliang Yang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Xue Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Haiyang Wang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Ming Lang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Jian Wang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China.,School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education), Tsinghua University, Beijing 100084, P. R. China
| | - Shiyong Peng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
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3
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Zhu Y, Yang L, Zhang X, Xu W, He J, Wang H, Lang M, Peng S. Copper-Catalyzed Cycloadditions of Diazo Compounds with Imidazolidines/Hexahydropyrimidines for the Syntheses of N-Heterocycles. Org Lett 2022; 24:6443-6448. [PMID: 36017905 DOI: 10.1021/acs.orglett.2c02561] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Reported herein are the unprecedented copper-catalyzed formal [n + 1]/[n + 3] (n = 5, 6) cycloadditions of diazo compounds with imidazolidines/hexahydropyrimidines, thus providing a general, economical, and efficient route to construct different sized (six- to nine-membered) diaza-heterocycles in moderate to excellent yields under mild reaction conditions. This strategy features the use of copper catalyst to accomplish such diverse annulations and the utilization of imidazolidines/hexahydropyrimidines as stable 1,5-/1,6-dipoles.
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Affiliation(s)
- Yuqi Zhu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Liangliang Yang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Xue Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Wendi Xu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Jieyin He
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Haiyang Wang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Ming Lang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
| | - Shiyong Peng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, P. R. China
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4
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Wang L, Zhao N, Bai Y, Liu Y, Xiao S, Wang J. Sequential Nucleophilic Addition and Regioselective Ring‐Expansion Reactions of α‐Diazophosphonates with Isatins:Access to 4‐Phosphonylated‐3‐hydroxyquinolin‐2(1H)‐ones. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Lei Wang
- Institute of Medicinal Plant Development Department of Natural Medicine Chemistry Research Center Chinese Academy of Medical Science and Peking Union Medical College 100193 Beijing CHINA
| | - Nannan Zhao
- Dalian Polytechnic University School of Biological Engineering CHINA
| | - Yan Bai
- Zhejiang Agriculture and Forestry University: Zhejiang A and F University College of Food and Health CHINA
| | - Yujia Liu
- Dalian Polytechnic University School of Biological Engineering CHINA
| | - Shan Xiao
- Dongguan University of Technology School of Nutrition and Health CHINA
| | - Jihui Wang
- Dongguan University of Technology School of Nutrition and Health CHINA
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5
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Wang J, Hao W, Tu S, Jiang B. Engaging
Yne‐Allenes
in Cycloaddition Reactions: Recent Developments. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202100856] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jia‐Yin Wang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University Xuzhou 221116 P. R. China
| | - Wen‐Juan Hao
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University Xuzhou 221116 P. R. China
| | - Shu‐Jiang Tu
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University Xuzhou 221116 P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University Xuzhou 221116 P. R. China
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6
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Zhu Y, Zhou T, Zhang H, He J, Li H, Lang M, Wang J, Peng S. Enantioselective Synthesis of α-Aryl-β-Aminocyclopropane Carboxylic Acid Derivatives via Rh(II)-Catalyzed Cyclopropanation of Vinylsulfonamides with α-Aryldiazoesters. J Org Chem 2022; 87:1074-1085. [PMID: 35057627 DOI: 10.1021/acs.joc.1c02386] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The reaction of vinylsulfonamides with donor-acceptor carbenes derived from α-aryldiazoesters, catalyzed by the tert-butyl glycine-derived dirhodium complex Rh2(S-4-Br-NTTL)4, has been reported. This method provides a variety of α-aryl-β-aminocyclopropane carboxylic acid derivatives bearing one quaternary carbon stereogenic center vicinal to the amino-substituted carbon in high yields with excellent diastereo- and enantioselectivities. Vinylsulfonamides showed complementary advantages over the well-developed vinylamides or vinylcarbamates for this Rh(II)-catalyzed cyclopropanation strategy. Moreover, these conformationally restricted α-aryl-β-aminocyclopropyl carboxylic acid derivatives can be readily incorporated into dipeptides.
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Affiliation(s)
- Yuqi Zhu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Ting Zhou
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Hong Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Jieyin He
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Hongguang Li
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Ming Lang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Jian Wang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China.,School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education), Tsinghua University, Beijing 100084, People's Republic of China
| | - Shiyong Peng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
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7
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Zhou T, Zhu Y, Zhang H, He J, Li H, Lang M, Wang J, Peng S. One‐Pot Synthesis of 1,2,3‐Triazolo Polycyclic Systems via Copper‐Catalyzed/TsOH‐Promoted Tandem Annulation of 1,6‐Allenynes with Organic Azides. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100768] [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]
Affiliation(s)
- Ting Zhou
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Yuqi Zhu
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Hong Zhang
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Jieyin He
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Hongguang Li
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Ming Lang
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Jian Wang
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
- School of Pharmaceutical Sciences Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology Ministry of Education Tsinghua University Beijing 100084 People's Republic of China
| | - Shiyong Peng
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
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8
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Song X, Wang R, Shi L, Luo T, Gao Z, Ren L, Zhou W, Hao H. Stereoselective Synthesis of Kalafungin Based on CuI‐Catalyzed Tandem Reactions of Arylethynes Containing an Ortho‐(1‐Hydroxyethyl) Substituent with Alkyl Diazoacetates. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100589] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiaoqing Song
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy Northwest A&F University Yangling Shaanxi 712100 People's Republic of China
| | - Ruizhi Wang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy Northwest A&F University Yangling Shaanxi 712100 People's Republic of China
| | - Liang Shi
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy Northwest A&F University Yangling Shaanxi 712100 People's Republic of China
| | - Tianlong Luo
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy Northwest A&F University Yangling Shaanxi 712100 People's Republic of China
| | - Zhiyu Gao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy Northwest A&F University Yangling Shaanxi 712100 People's Republic of China
| | - Li Ren
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy Northwest A&F University Yangling Shaanxi 712100 People's Republic of China
| | - Wenming Zhou
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy Northwest A&F University Yangling Shaanxi 712100 People's Republic of China
| | - Hong‐Dong Hao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy Northwest A&F University Yangling Shaanxi 712100 People's Republic of China
- State Key Laboratory of Bioorganic & Natural Products Chemistry, Shanghai Institute of Organic Chemistry (SIOC) Chinese Academy of Science Shanghai 200032 People's Republic of China
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9
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Peng S, Zhang H, Zhu Y, Zhou T, He J, Chen N, Lang M, Li H, Wang J. Copper‐Catalyzed Chemo‐ and Diastereoselective 1,3‐Dipolar Cycloaddition of Carbonyl Ylide and Aldehyde‐Tethered‐Cyclohexadienone to Access Polycyclic Systems. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100648] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Shiyong Peng
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Hong Zhang
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Yuqi Zhu
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Ting Zhou
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Jieyin He
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Nuan Chen
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Ming Lang
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Hongguang Li
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
| | - Jian Wang
- School of Biotechnology and Health Sciences Wuyi University Jiangmen 529020 People's Republic of China
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education) Tsinghua University Beijing 100084 People's Republic of China
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10
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Regio- and stereoselective synthesis of cyclobutanes by nickel-catalyzed homodimerizative [2 + 2] cycloaddition using allenamides. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152974] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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11
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Chen N, Zhou T, Zhang H, Zhu Y, Lang M, Wang J, Peng S. Copper-Catalyzed Tandem Cross-Coupling/Thermally Promoted [2 + 2] Cycloaddition of 1,6-Enynes and Diazo Compounds To Assemble Methylenecyclobutane-Fused Ring System. J Org Chem 2021; 86:4714-4732. [PMID: 33667091 DOI: 10.1021/acs.joc.1c00104] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An unprecedented copper-catalyzed tandem reaction of 1,6-enynes with diazo compounds via a cross-coupling/[2 + 2] cycloaddition sequence was reported. A library of methylenecyclobutane-fused ring systems including cyclobuta[b]indolines, cyclobuta[b]benzofuran, benzo[b]cyclobuta[d]thiophene, and bicyclo[3.2.0] structures were obtained in moderate to excellent yields under very mild reaction conditions. The reaction exhibited high proximal-regioselectivity and diastereoselectivity. Moreover, 1,6-allenene has proven to be the key intermediate and proceeds via a thermally promoted [2 + 2] cycloaddition in the absence of copper catalyst.
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Affiliation(s)
- Nuan Chen
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Ting Zhou
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Hong Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Yuqi Zhu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Ming Lang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
| | - Jian Wang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China.,School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education), Tsinghua University, Beijing 100084, People's Republic of China
| | - Shiyong Peng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People's Republic of China
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12
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Recent Advances in the Tandem Cyclization/Cycloaddition of Allene Intermediates from Copper-Catalyzed Cross-Coupling of Diazo Compounds with Terminal Alkynes. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1705947] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
AbstractThis short review summarizes the most recent developments (since 2010) in the tandem cyclization/cycloaddition of allene intermediates, generated from the copper-catalyzed cross-coupling of diazo compounds with terminal alkynes, to afford cyclic compounds.1 Introduction2 Cyclization2.1 Cyclization with Nucleophiles2.2 Cyclization with Electrophiles2.3 6π-Electrocyclization2.4 Other Cyclization3 Cycloaddition4 Conclusion
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13
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Ansari MA, Yadav D, Singh MS. Rhodium(II)-Catalyzed Annulative Coupling of β-Ketothioamides with α-Diazo Compounds: Access to Highly Functionalized Thiazolidin-4-ones and Thiazolines. J Org Chem 2020; 85:8320-8329. [DOI: 10.1021/acs.joc.0c00378] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Monish Arbaz Ansari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Dhananjay Yadav
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Maya Shankar Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
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14
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He M, Chen N, Liu L, Zhu Y, Li Q, Li H, Lang M, Wang J, Peng S. Synthesis of 3-Azabicyclo[m.2.0] Ring Systems via a Copper-Catalyzed Cascade Reaction of Diazo Compounds with 1,n-Allenynes. J Org Chem 2020; 85:4418-4429. [DOI: 10.1021/acs.joc.0c00149] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Min He
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Nuan Chen
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Lala Liu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Yuqi Zhu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Qing Li
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Hongguang Li
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Ming Lang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Jian Wang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education), Tsinghua University, Beijing 100084, People’s Republic of China
| | - Shiyong Peng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
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15
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Yang C, Chen C, Li S, He X, Zuo Y, Hu W, Zhou T, Wang J, Shang Y. Rh(III)-Catalyzed Relay Double Carbenoid Insertion and Diannulation of Sulfoximine Benzamides with α-Diazo Carbonyl Compounds: Access to Furo[2,3-c]isochromenes. Org Lett 2020; 22:2506-2511. [DOI: 10.1021/acs.orglett.9b04659] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Chen Yang
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China
| | - Chen Chen
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China
| | - Shunfan Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China
| | - Xinwei He
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China
| | - Youpeng Zuo
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China
| | - Wangcheng Hu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China
| | - Tongtong Zhou
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China
| | - Jian Wang
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China
| | - Yongjia Shang
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China
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16
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Yang J, Xiong S, Ren Y, Xiao T, Jiang Y. Copper-catalyzed cross-coupling and sequential allene-mediated cyclization for the synthesis of 1,2,3-triazolo[1,5- a]quinolines. Org Biomol Chem 2020; 18:7174-7182. [PMID: 32895689 DOI: 10.1039/d0ob00435a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
In this paper, a tandem reaction involving copper-catalyzed cross-coupling and allene-mediated cyclization of 1-(2-ethynylaryl)-1,4-disubstituted-1,2,3-triazole with N-tosylhydrazone has been developed. This method features operational simplicity, excellent functional group compatibility, broad substrate scope, and easily available feedstock, providing an efficient and practical strategy for the synthesis of highly functionalized 1,2,3-triazolo[1,5-a]quinolines.
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Affiliation(s)
- Jianhua Yang
- Faculty of Science, Kunming University of Science and Technology, Jingming South Road 727, Chenggong District, Kunming 650500, P. R. China.
| | - Shaoqi Xiong
- Faculty of Science, Kunming University of Science and Technology, Jingming South Road 727, Chenggong District, Kunming 650500, P. R. China.
| | - Yongsheng Ren
- Faculty of Science, Kunming University of Science and Technology, Jingming South Road 727, Chenggong District, Kunming 650500, P. R. China.
| | - Tiebo Xiao
- Faculty of Science, Kunming University of Science and Technology, Jingming South Road 727, Chenggong District, Kunming 650500, P. R. China.
| | - Yubo Jiang
- Faculty of Science, Kunming University of Science and Technology, Jingming South Road 727, Chenggong District, Kunming 650500, P. R. China.
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