| abstract |
Products having the formula (I) wherein R1 is an aryl or aralkyl, R2 is a hydrocarbonated radical (1-18 carbon atoms), the dotted lines indicate an optional bond, the cycles A, B and C represent (II), (III), (IV), (V), (VI); R' and R'' are H, alkyl (1-4 carbon atoms), Re is H, alkyl (1-6 carbon atoms), acyl, and their salts, their preparation, their application as medicaments, the pharmaceutical compositions containing them and intermediaries. |