Patent ID: 6407254
Filing Date: 2002-06-18
Classification: C07D,C08K

Abstract:
2-(2â€²-hydroxyphenyl)benzotriazole having formula (I): wherein:X represents a hydrogen atom; a halogen atom selected from chlorine and bromine; a linear or branched C1-C18 alkyl group; a linear or branched C1-C18 alkoxy group; a cyano group; R represents methyl or t-octyl; R1 represents a hydrogen atom; a linear or branched C1-C18 alkyl group; a linear or branched C2-C18 alkenyl group; a linear or branched C2-C18 alkynyl group; a C5-C18 cycloalkyl group, said cycloalkyl group optionally substituted; a C7-C15 arylalkyl; a C6-C14 aryl group, said aryl group optionally substituted; an acyl group having formula (VII): or an ester group having formula (VIII): â€ƒwherein Râ€² has the same meanings described above; R2 and R3, the same or different, represent a hydrogen atom; a linear or branched C1-C18 alkyl group; a phenyl group; wherein the C5-C18 cycloalkyl groups and the C6-C14 aryl groups are substituted with: halogen atoms selected from chlorine and bromine, linear or branched C1-C18 alkyl groups, linear or branched C2-C18 alkenyl groups; linear or branched C2-C18 alkynyl groups, OH groups, NH groups, SH groups.