| abstract |
The present invention is dealing with compounds of the formula: <IMAGE> and pharmaceutically acceptable salts thereof, in which n and m represent the number 1 or 2, X and Y hydrogen, alkyl (1-4 C), alkoxy (1-4 C), hydroxy, halogen, hydroxymethyl, trifluoromethyl, acyl (1-4 C), acyloxy (1-4 C) or the group NRx Ry, in which Rx and Ry represent hydrogen, alkyl (1-4 C) or a sulphonyl group and R represents the group <IMAGE> in which R1 and R2 represent hydrogen, alkyl (1-4 C), hydroxy, alkoxy (1-4 C), phenylalkoxy (7-10 C), acyloxy, amino or mono or dialkyl (1-4 C) amino, having potent platelet aggregation inhibiting properties. |