Patent ID: 7514432

Claim:
A compound having a general formula (I): wherein: R 1 is selected from the group consisting of: R 2 represents a hydrogen atom, an alkyl or alkenyl group containing from 3 to 6 carbon atoms; D represents an oxygen atom, NR 3 , CR′R″ or a sulfur atom; X represents a sulfur atom; Y represents an oxygen atom; R 3 represents a hydrogen, an alkyl group, a carboxylate group, an acyl group, a carboxamide group or a SO 2 -alkyl group; R′ and R″, identical or different, represent a hydrogen atom or an alkyl radical; “linker” represents (CH 2 ) n , wherein n represents an integer between 1 and 10 inclusive, optionally interrupted by an heteroatom or a carbonyl group, or an aryldialkyl; A represents a group selected from: optionally A is substituted, its tautomers, optical and geometrical isomers, racemates, salts, hydrates and mixtures thereof.