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Communication | Regular issue | Vol 19, No. 2, 1982, pp.229-233
Published online, 1st January, 1970
DOI: 10.3987/R-1982-02-0229
On the Reaction of Indole with Sodium Borohydride in Formic Acid

Gordon W. Gribble and Stephen W. Wright

*Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03775, U.S.A.

Abstract

The reaction of indole (1) with sodium borohydride in formic acid yields N-methylindoline (3) and a product derived from “indole dimer”, 3-(2-(2-N,N-dimethylaminophenyl)ethyl)-1-methylindoline (4), whose structure is proved by independent synthesis.