V. O. Koz’minykh, V. Goncharov, A. Aksenov
Sep 1, 2006
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Journal
Russian Journal of Organic Chemistry
Abstract
Methyl and ethyl 2-(2-oxo-2,3-dihydro-3H-indol-3-ylidene)acetates react with aromatic amines to give products of regioselective addition at the α-position of the activated exocyclic C=C bond, methyl and ethyl 2-arylamino-2-(2-oxo-2,3-dihydro-1H-indol-3-yl)acetates.