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Communication | Regular issue | Vol 4, No. 1, 1976, pp.9-12
Published online, 1st January, 1970
DOI: 10.3987/R-1976-01-0009
Syntheses and Reactions of 2-Indol-3-yl-1,3-oxathiolium Salts

Yoshinori Tominaga, Yoshiro Matsuda, and Goro Kobayashi*

*Faculty of Pharmaceutical Sciences, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan

Abstract

The reaction of methyl indole-3-dithiocarboxylates (la,b,c,d) with phenacyl bromide in acetone gave 2-indol-3-yl-1,3-oxathiolium bromides (2a,b,c,d) which reacted with active methylene compounds to form 2-indol-3-ylthiophene derivatives (3a,b,c,d).