Patent ID: 6576730
Filing Date: 2003-06-10
Classification: C07D,C08F

Abstract:
A compound of the formula: wherein only one of R1, R2, R3, R4, R5 is hydrogen, whereas the remaining are a linear or branched C1-C6 alkyl radical, or C6-C12 aryl radical, if one of R4 or R5 is hydrogen then the remaining R4 or R5 is an aryl radical, if one of R1, R2, or R3 is hydrogen then only one of the remaining R1, R2, or R3 is an aryl radical; R6 represents a hydrogen atom, a linear or branched C1-C6 alkyl radical, or a â€”CH2-R14 group, wherein R14 represents a C1-C6 alkyl radical, C6-C12 aryl or C7-C15 alkylaryl radical; Ar is a phenyl radical which can contain substituents on the aromatic ring represented by halogens, linear or branched C1-C6 alkyl groups, or carboxyl groups; R7-R12 independently represent a halogen, or a hydrogen atom or are selected from C1-C6 alkyl groups, optionally halgenated, C6-C12 aryl groups, carboxyl, alkoxyl or acyl groups containing from 1 to 15 carbon atoms, sulfonic, phosphonic, phosphinic, amine, amide, or nitric groups containing up to 15 carbon atoms.