摘要:
Compounds of formula (I): wherein: A represents a divalent radical: wherein: Z represents an oxygen atom or a sulphur atom, R6 represents a hydrogen atom, an alkyl, alkenyl, arylalkyl or polyhaloalkyl group or a substituted, linear or branched alkyl chain, represents a single bond or a double bond, R1, R2, R3 and R4 represent a hydrogen or halogen atom, an alkyl, alkoxy, hydroxy, cyano, nitro, polyhaloalkyl or optionally substituted amino group, or a linear or branched alkyl chain substituted by one or more groups, R5 represents a hydrogen atom or an alkyl, aminoalkyl or hydroxyalkyl group, X and Y represent a hydrogen atom or an alkyl group, Ra, Rb, Rc and Rd represent a hydrogen or halogen atom, an alkyl, hydroxy, alkoxy, cyano, nitro, polyhaloalkyl, optionally substituted amino group, or a substituted, linear or branched alkyl chain, Re represents a hydrogen atom or an alkyl, arylalkyl or alkenyl group or a substituted, linear or branched alkyl chain, their enantiomers, diastereoisomers, and N-oxides, and also addition salts thereof with a pharmaceutically acceptable acid or base.