| 摘要 |
The invention concerns compounds of formula (I),wherein:A is such as described in the description;Y represents a group selected among an oxygen atom or a methylene group;Rrepresents a hydrogen atom, in which case:Rrepresents a group selected among a hydrogen atom, a C-Clinear or branched alkyl, aryl, linear or branched C-Carylalkyl group, or SOCF,or Rand Rform a bond;Rrepresents a group selected among a hydrogen atom, a C-Clinear or branched alkyl, aryl, linear or branched C-Carylalkyl group, or a linear or branched C-Calkylene chain;Zand Zrepresent each a hydrogen atom orZand Zform together, with the carbon atoms bearing them, a phenyl group.The invention is useful for preparing medicines. |
