2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsat

Details 2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsat 2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsat

1995-09-28

1997-09-30

Gupta, Yogendra N.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544216, C07D25124

Patent

active

056727046

ABSTRACT:
s-Triazine UV absorbers of formula I ##STR1## where R.sub.1 is ##STR2## --CH.sub.2 --C(.dbd.CH.sub.2)--R.sub.10, --(CH.sub.2).sub.p --SiR.sub.11 R.sub.11 '--CH.dbd.CH.sub.2, --C(.dbd.O)--(CH.sub.2).sub.q --CH.dbd.CH.sub.2 or --C(.dbd.O)--O--CH.sub.2 --C(.dbd.CH.sub.2)--R.sub.10 ; and E.sub.1 and E.sub.2 are phenyl groups which may be unsubstituted or substituted with a variety of substituents including inter alia alkyl, OH and R.sub.1 ; are polymerizable and are effective stabilizers for a variety of polymeric and other organic substrates.

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patent: 5300414 (1994-04-01), Leppard et al.
patent: 5364749 (1994-11-01), Leppard et al.
Chem. Abst. 121590n of CH 484695, 1970.
Chem. Abst. 119: 2139207n, 1993.

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