Abstract
The reaction of the dianion of phenylacetonitrile with substituted oxalic acid bis(imidoyl)chlorides resulted in the formation of 2-alkylidene-3-iminoindoles, containing substituents at different positions of the heterocyclic nucleus. The cyclization of lithiated amides with bis(imidoyl)chlorides afforded (3-imino-2,3-dihydro-1H-indol-2-ylidene)acetic amides. Excellent regio- and E-diastereoselectivities were observed in all reactions.
Published Version
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