Abstract

V. M. Barot¹, S. R. Modi¹ and H. B. Naik²

o-aminophenol reacts with chalcones (I) in methanol acetic acid to give 3- (2-aminophenylmercapto) -3-aryl propiophenones (II) which immediately undergo cyclisation in situ to give 2,4-diaryl- 2,3-dihydro-1,5-benzo-thiazepines (Ill a).

aminophenylmercapto; propiophenones; immediately cyclisation

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