Benzotriazole UV absorber hydrazides

Details Benzotriazole UV absorber hydrazides Benzotriazole UV absorber hydrazides

1991-05-01

1993-08-03

Lipman, Bernard

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548261, 558302, 560 13, 562439, 562440, 564149, 564150, C07D24916

Patent

active

052330478

ABSTRACT:
Hydrazide functionalized benzotrialzole and oxanilide ultraviolet absorbers (Formulas I and II) useful for stabilizing coreactive or inert polymeric compositions and novel intermediates (Formula III used to make certain types of compounds of Formula I) are disclosed and have the general formulas: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, X, Y, all substituents thereof, and n are set forth in the Summary of the Invention.

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