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Communication | Regular issue | Vol 4, No. 4, 1976, pp.729-732
Published online, 1st January, 1970
DOI: 10.3987/R-1976-04-0729
The Reaction of Indoles with Succinimido-sulfonium Salts. I. A Convenient Synthesis of Indole-3-thioethers

Kuniyuki Tomita,* Atsusuke Terada, and Ryuji Tachikawa

*Biomedicinal Chemistry Research Laboratories, Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan

Abstract

Reaction of indoles with succinimido-dialkyl- or alkylarylsulfonium chlorides, prepared from dialkyl or alkylaryl sulfides and N-chlorosuccinimide, afforded indole-3-dialkyl- or alkylarylsulfonium chlorides which gave 3-alkylthio- or arylthioindoles on pyrolysis.