V. Velezheva, S. Ryabova, A. I. Mel'man
1992
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Journal
Chemistry of Heterocyclic Compounds
Abstract
It is shown that the chlorine atom in position 2 of 1-acetyl-2-chloro-3-iminoindoline hydrochloride is readily substituted on treatment with secondary amines and thiophenol. The products of nucleophilic reaction are isolated as 2-substituted 3-aminoindoles or 3-acetylaminoindoles, and as 2-substituted 1-acetyl-3-indolinones. The latter are also formed from 1-acetyl-3-indolinone by successive bromination and treatment with secondary amines.