| abstract |
The subject of the invention is the products of formula: <IMAGE> in which: R1 = optionally substituted alkynyl R2 = alkyl C1-3 A and B in particular: <IMAGE> in which R 'and R "identical or different = H or Alkyl C1-4: <IMAGE> with R3 and R4 in particular = H, OH optionally acylated or etherified, alkyl, alkenyl, alkynyl, aryl, aralkyl, aralkenyl or aralkynyl, carbo or heterocyclic, optionally substituted or R3 and R4 in particular: <IMAGE> Y and Z in particular: <IMAGE> their preparation process, their application as medicaments and the pharmaceutical compositions containing them. |