| abstract |
The invention relates to inhibitors of the angiotensin converting enzyme of the formula I, wherein R 1 is 4-aminobutyl, R 2 and R 3, independently of one another, denote hydroxy or lower alkoxy, and S is the chirality, and their salts. You can z. Example, by reduction of a compound corresponding to the formula I compound which has a double bond at the carbon atom C-3, produce. Formula I |