2-(benzotriazol-2-yl)-4-alkyl-6-(2-hydroxy-3-benzoylbenzyl)...

Details 2-(benzotriazol-2-yl)-4-alkyl-6-(2-hydroxy-3-benzoylbenzyl)... 2-(benzotriazol-2-yl)-4-alkyl-6-(2-hydroxy-3-benzoylbenzyl)...

C - Chemistry, Metallurgy

07

D

C07D 249/20 (2006.01) C08K 5/3475 (2006.01) C08K 5/41 (2006.01)

Patent

CA 2116921

2-(BENZOTRIAZOL-2-YL)-4-ALKYL-6-(2-HYDROXY-3-BENZOYL- BENZYL)PHENOLS AND STABILIZED COMPOSITIONS Abstract of the Disclosure 2-(Benzotriazol-2-yl)-4-alkyl-6-(2-hydroxy-3-benzoyl-benzyl)phenols are prepared by reacting a Mannich base of a 2-(2-hydroxy-5-alkylphenyl)-2H-benzotriazole with a2-hydroxy-benzophenone. The hybrid products exhibit outstanding efficacy in protecting organic substrates from light-induced deterioration as well as good resistance to loss by volatilization or exudation during the processing of stabilized compositions at elevated temperatures.

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