Compounds derived from benzoic acid esters, composition containing said compounds and use thereof

A compound of formula (I):

• wherein:
• R1 is chosen from:
• linear and branched (C1–C12) aliphatic alkyl groups, optionally substituted with at least one group chosen from OH, NH2, SH, CN, CF3, halogen, CONHR5, COOR5, OR5, SR5, SiOR5, NHR5, aliphatic (C3–C6) rings, and aromatic (C3–C6) rings, wherein R5 is chosen from linear and branched (C1–C4) alkyl groups,
• aryl groups,
• natural polymers, synthetic polymers, and copolymers, said polymers and copolymers carrying at least two groups chosen from:
• hydroxyl, carboxylate, primary amine, secondary amine, tertiary amine, thiol, and aldehyde;
• R2 is chosen from a hydrogen atom, a halogen atom, CF3, OH, OCF3, COOH, R7, and OR7, wherein R7 is chosen from linear and branched (C1–C4) aliphatic alkyl groups;
• R3 is chosen from monohalogenated and polyhalogenated linear and branched (C1–C4) alkyl groups, and from aryl groups, wherein the aryl groups are optionally substituted with at least one group chosen from OH, NH2, SH, CN, CF3, halogen, COOH, CONHR8, COOR8, OR8, SR8, and NHR8, wherein R8 is chosen from linear and branched (C1–C12) alkyl radicals;
• and
• R4 is chosen from linear and branched (C1–C4) alkyl groups, and a CF3 group.