Construction of Novel Tetrahydro--carboline-1-thione Spirooxindoles by BrOnsted Acid Mediated Formal [3+3] Cyclization of 3-Indolylmethanols with 3-Isothiocyanato Oxindoles

被引:7
作者
Liao, Yijun [1 ,2 ]
Bai, Mei [1 ,2 ]
Yu, Shuowen [1 ,2 ]
Zhang, Minmin [1 ,2 ]
Hu, Fangzhi [1 ,2 ]
Xu, Xiaoying [1 ]
Yuan, Weicheng [1 ]
Zhang, Xiaomei [1 ]
机构
[1] Chinese Acad Sci, Chengdu Inst Organ Chem, Key Lab Asymmetr Synth & Chirotechnol Sichuan Pro, Chengdu 610041, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
基金
中国国家自然科学基金;
关键词
N-ACYLIMINIUM IONS; CATALYTIC ASYMMETRIC CONSTRUCTION; INTERMOLECULAR ADDITION-REACTIONS; ENANTIOSELECTIVE SYNTHESIS; CASCADE REACTION; 1,3-DIPOLAR CYCLOADDITION; POLYCYCLIC SPIROOXINDOLES; FUSED SPIROOXINDOLES; EFFICIENT SYNTHESIS; AZOMETHINE YLIDES;
D O I
10.1002/jhet.2708
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
p-Toluenesulfonic acid mediated formal [3+3] cyclization of 3-indolylmethanols with 3-isothiocyanato oxindoles was realized. This transformation allowed for the synthesis of a series of novel tetrahydro--carboline-1-thione spirooxindoles in moderate to excellent yields (up to 99%) with generally good diastereoselectivities (up to >20:1). The structure of one product was determined by an X-ray crystal structural analysis.
引用
收藏
页码:1311 / 1317
页数:7
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