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Report | Regular issue | Vol 19, No. 1, 1982, pp.91-92
Published online, 1st January, 1970
DOI: 10.3987/R-1982-01-0091
A Direct N-Acylation of Indole with Carboxylic Acids

Masanao Terashima and Masako Fujioka

*Faculty of Pharmaceutical Scicences, Higashinihonngakuen University, 1757 Kanazawa, Toubetu-cho, Ishikari-gun, Hokkaodo 061-0212, Japan

Abstract

A simple method for the N-acylation of indole is described. Indole (1) was directly acylated at nitrogen with various carboxylic acids (2) catalyzed by boric acid in moderate yield.