Derivatives of 2- (2-hiddroxifenil) -2H-benzotriazole, 5-substituted aryl and heteroaryl in position 5, as uv absorbers.

摘要

A compound of formula I or II ** (Formula) ** wherein R is a heterocyclic group which is 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-thienyl, 3-thienyl, 2-furyl, 3-furyl, 235 pyrrolyl, 3-pyrrolyl, 3-thianaphthenyl, 8-quinolyl, 5-indolyl, 2-selenophenyl, or said pyridyl, thienyl, furyl, pyrrolyl, thianaphthenyl, quinolyl, indolyl or selenophenyl substituted one to five times groups selected from the group consisting of alkyl radicals of 1 to 18 carbon atoms of straight or branched chain, phenylalkyl of 7 to 15 carbon atoms, R3S-, R R3SO-, R3SO2, aryl of 6 to 10 carbon atoms moieties, perfluoroalkyl of 1 to 12 carbon atoms, halogen, nitro, cyano, carboxyl, triisopropylsilyl, formyl, acetyl, alkoxycarbonyl of 2 to 19 carbon atoms, hydroxyl, alkoxy of 1 to 18 carbon atoms, aryloxy of 6 to 10 atoms carbon, sulfate or phosphate, or any two substituents form a benzo ring with the heteroaryl moiety to which e stan united and Tes thieno-2, 5-diyl; or R is an aryl group is phenyl, naphthyl, biphenylyl, 9fenantrilo or said phenyl group, naphthyl, biphenylyl, 9fenantrilo substituted one to three alkyl radicals of 1 to 18 carbon atoms; phenylalkyl of 7 to 15 carbon atoms, R3S-R3SO-R3SO2, aryl of 6 to 10 carbon atoms, perfluoroalkyl of 1 to 12 carbon atoms, halogen, nitro, cyano, carboxyl, alkoxycarbonyl of 2 to 19 carbon atoms, hydroxyl, alkoxy of 1 to 18 carbon atoms, aryloxy of 6 to 10 carbon atoms, aralkoxy of 7 to 15 carbon atoms, vinyl, acetyl, acetamido, amino, dialkylamino of 2 to 12 carbon atoms, formyl, thioalkoxy of 1 to 18 carbon atoms, hydroxymethyl, aminomethyl, halomethyl, sulfato, phosphato, or where any two substituents form a benzo ring with the ss aryl moiety to which they are attached, and T is a direct bond, 1, 4-phenylene or said phenylene substituted once or twice with an alkyl group of 1 to 12 carbon atoms; R3 is alkyl of 1 to 18 carbon atoms, phenylalkyl of 7 to 15 carbon atoms or aryl of 6 to 10 carbon atoms; E1 is hydrogen, alkyl of 1 to 24 carbon atoms of straight or branched chain, phenylalkyl of 7 to 15 carbon atoms, phenyl, or said phenyl or said phenylalkyl substituted on the phenyl ring by 1 to 4 alkyl of 1 to 65 4 carbon atoms, E2 is alkyl of 1 to 24 carbon atoms of straight or branched chain alkenyl of 2 to 18 carbon atoms of straight or branched chain, cycloalkyl of 5 to 12 carbon atoms, phenylalkyl of 7 to 15 carbon atoms, phenyl.