Patent ID: 7863332

Claim:
A biaromatic compound of the following general formula (I) in which: R1 is a hydroxyl radical, a radical â€”OR6 or a hydroxylamine radical; R6 is as defined below; R2 and R3, which may be identical or different, are each a hydrogen atom, a halogen atom, an alkyl radical having from 1 to 12 carbon atoms, a hydroxyl radical, an alkoxy radical, a polyether radical, an aralkyl radical, an aryl radical, an amino radical that may be substituted by one or two radicals, which may be identical or different, selected from among an alkyl radical having from 1 to 12 carbon atoms and an aralkyl radical; R4 is a hydrogen atom or a lower alkyl radical having from 1 to 4 carbon atoms; R5 is an alkyl radical having from 1 to 12 carbon atoms, an aryl radical, or an aralkyl radical; R6 is an alkyl, aryl or aralkyl radical; R7 and R8, which may be identical or different, are each a hydrogen atom, a halogen atom, an alkyl radical having from 1 to 12 carbon atoms, a hydroxyl radical, an alkoxy radical, a polyether radical, an aralkyl radical, an aryl radical, an amino radical that may be substituted by one or two radicals, which may be identical or different, selected from among an alkyl radical having from 1 to 12 carbon atoms or an aralkyl radical; Y is an oxygen or sulfur atom; and Vâ€”W is CH 2 â€”CH 2 or CHâ•CH; and the salt, or a salt thereof.