Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1994-07-26
1996-01-30
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549304, 549305, 549307, 549310, C07D30793, C07D30787, C07D40700
Patent
active
054881170
ABSTRACT:
Compounds of the formula (1) ##STR1## in which R.sub.2, R.sub.3, R.sub.4 and R.sub.5 independently of one another, are hydrogen, C.sub.1 -C.sub.25 alkyl, C.sub.7 -C.sub.9 phenylalkyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.sub.8 cycloalkyl; C.sub.1 -C.sub.18 alkoxy, hydroxyl, C.sub.1 -C.sub.25 alkanoyloxy, C.sub.3 -C.sub.25 alkenoyloxy, C.sub.3 -C.sub.25 alkanoyloxy which is interrupted by oxygen, sulfur or >N--R.sub.16 ; C.sub.6 -C.sub.9 cycloalkylcarbonyloxy, benzoyloxy or C.sub.1 -C.sub.12 alkyl-substituted benzoyloxy, where R.sub.16 is hydrogen or C.sub.1 -C.sub.8 alkyl, or, furthermore, the radicals R.sub.2 and R.sub.3 or the radicals R.sub.4 and R.sub.5 together with the carbon atoms to which they are bound form a phenyl ring, R.sub.4 is additionally --(CH.sub.2).sub.n --COR.sub.11, in which n is 0, 1 or 2, R.sub.11 is hydroxyl, ##STR2## R.sub.14 and R.sub.15, independently of one another, are hydrogen or C.sub.1 -C.sub.18 alkyl, M is an r-valent metal cation and r is 1, 2 or 3, R.sub.7, R.sub.8, R.sub.9 and R.sub.10, independently of one another, are hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, with the proviso that at least one of the radicals R.sub.7, R.sub.8, R.sub.9 and R.sub.10 is hydrogen and, in the case where R.sub.3, R.sub.5, R.sub.6, R.sub.7 and R.sub.10 are hydrogen, R.sub.4 is additionally a radical of the formula (2) ##STR3## in which R.sub.2, R.sub.8 and R.sub.9 are as defined above and R.sub.1 is as defined below for m=1, and R.sub.12 and R.sub.13, independently of one another, are hydrogen, C.sub.1 -C.sub.12 alkyl or phenyl, m is 1 or 2, and, in the case where m is 1, R.sub.1 is hydrogen, C.sub.1 -C.sub.25 alkanoyl, C.sub.3 -C.sub.25 alkenoyl, C.sub.3 -C.sub.25 alkanoyl which is interrupted by oxygen, sulfur or >N--R.sub.16 ; C.sub.6 -C.sub.9 cycloalkylcarbonyl, benzoyl or C.sub.1 -C.sub.12 alkyl-substituted benzoyl, R.sub.16 is as defined above and R.sub.6 is hydrogen or a radical of the formula (3) ##STR4## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.7, R.sub.8, R.sub.9 and R.sub.10 are as defined above, and, in the case where m is 2, R.sub.1 is ##STR5## in which R.sub.17 is a direct bond, C.sub.1 -C.sub.18 alkylene, C.sub.2 -C.sub.18 alkylene which is interrupted by oxygen, sulfur or >N--R.sub.16 ; C.sub.2 -C.sub.18 alkenylene, C.sub.2 -C.sub.20 alkylidene, C.sub.7 -C.sub.20 phenylalkylidene, C.sub.5 -C.sub.8 cycloalkylene, C.sub.7 -C.sub.8 bicycloalkylene or phenylene, R.sub.16 is as defined above and R.sub.6 is hydrogen, are described as stabilizers for organic materials against oxidative, thermal or light-induced degradation.
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Ciba-Geigy Corporation
Covington Raymond
Hall Luther A. R.
Ivy C. Warren
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