2-(2-hydroxy-3-perfluoroalkyl thiomethyl-5-alkylphenyl)2H-benzot

Details 2-(2-hydroxy-3-perfluoroalkyl thiomethyl-5-alkylphenyl)2H-benzot 2-(2-hydroxy-3-perfluoroalkyl thiomethyl-5-alkylphenyl)2H-benzot

1992-08-05

1993-10-05

Morris, Patricia L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548259, C07D24920

Patent

active

052506983

ABSTRACT:
2-(2-Hydroxy-3-perfluoroalkylthiomethyl-5-alkylphenyl)-2H-benzotriazoles are prepared by reacting the Mannich base hydrohalide or quaternary salt of a 2-(2-hydroxy-5-alkylphenyl)-2H-benzotriazole with a perfluoroalkyl mercaptan. The 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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