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Report | Regular issue | Vol 23, No. 5, 1985, pp.1197-1203
Published online, 1st January, 1970
DOI: 10.3987/R-1985-05-1197
A Novel Access to 3-Benzazepines and to 3-Benzoxepines via SRN1 Reactions

René Beugelmans and Helène Ginsburg*

*Institut des Chimie des Substances Naturelles, C.N.R.S., 1 avenue de la Terrasse, Bat. 27, 91198 Gif-sur-Yvette Cedex, France


A common intermediate formed by an SRN1 reaction between halohomoveratic acid and various ketone enolates leads to either benzazepines (5a,b,c) or to benzoxepines (8a,b,c) in yields ranging from 50 to 70%.