Direct Synthesis of Fused Thienoindoles via Base Promoted Double C−H Sulfuration with Elemental Sulfur

Author:

Chen Shanping1,Hu Kai1,Feng Wei1,Mao Guojiang2,Li Yuxia1,Deng Guo‐Jun1ORCID

Affiliation:

1. Key Laboratory for Green Organic Synthesis and Application of Hunan Province Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education College of Chemistry Xiangtan University Xiangtan 411105 People's Republic of China

2. School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453007 People's Republic of China

Abstract

AbstractA direct strategy for the preparation of fused thienoindoles from substituted indoles and elemental sulfur has been reported. The present approach produces a range of structurally valuable fused thienoindoles in 51–78% yield under transition‐metal‐free conditions, which may have potential applications in pharmaceutical industry and organic functional materials. In this work, the double C−S bonds formation is achieved via base promoted direct sulfuration of C−H bonds with elemental sulfur.

Funder

National Natural Science Foundation of China

Ministry of Education of the People's Republic of China

Publisher

Wiley

Subject

General Chemistry

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