| abstract |
The present invention relates to a compound of general formula (I) wherein: X=S, SO or SO2, and; one of the radicals R1 and R2 represents a hydrogen atom and the other one a radical: a linear or branched C1-C18 alkyl optionally substituted with one or more halogen atoms, a linear or branched C2-C18 alkenyl, optionally substituted with one or more halogen atoms, an aralkyl, optionally substituted with one or more C1-C6 alkoxy groups, or COR3 or CONHR3, but not simultaneously, wherein R3 represents a radical: a linear or branched C1-C18 alkyl optionally substituted with one or more halogen atoms, a linear or branched C2-C18 alkenyl, optionally substituted with one or more halogen atoms, an aralkyl, optionally substituted with one or more C1-C6 alkoxy groups, an aralkenyl optionally substituted with one or more C1-C6 alkoxy groups and/or OH groups, or else an aryl radical, optionally substituted with one or more C1-C16 alkoxy groups. |