THIAZOLO[3,2-A]AZEPINE DERIVATIVES, PROCESS FOR THE PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

The present invention relates to a substituted thiazoloÄ3,2-aÜazepine derivative having inhibitory activity against angiotensin I converting enzyme and neutral endpeptidase. The above substituted thiazoloÄ3,2-aÜazepine derivative is represented by the following general formula (I): (wherein R1 represents a hydrogen atom or a protecting group of a thiol group; R2 represents a hydrogen atom, a lower alkyl group, an aryl group which may have a substituent, a hetroaryl group which may have a substituent, a lower alkoxyl group or a lower alkylthio group; R3, R4 and R5 may be the same or different from one another and represent each a hydrogen atom, a lower alkyl group, a lower alkoxyl group, a lower alkylthio group or the like, with the proviso that the case wherein all of R3, R4 and R5 are hydrogen atoms are excepted; R6 and R7 may be the same or different from each other and represent each a hydrogen atom or a lower alkyl group; R8 represents a hydrogen atom or a protecting group of a carboxyl group; and m and m are each independently 0 or, 1 or 2).