Piperidine compounds and their use as stabilizers

Details Piperidine compounds and their use as stabilizers Piperidine compounds and their use as stabilizers

1990-03-01

1991-07-09

Richter, Johann

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

456 5, 456 23, 456186, 456187, 456190, 456192, 456195, 456196, 456197, 456200, 456208, 456223, 456224, 546244, 540541, 540597, 544 64, 544129, 544130, 544181, 544198, 544209, 544212, 544225, 544226, 544360, C07D21198, C07D22312, C07F 306, C07F 966

Patent

active

050307290

ABSTRACT:
Compounds of formula (I) ##STR1## in which R.sub.1 is hydrogen, O.degree., CN, NO, cyanomethyl, C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.12 -alkenyl or C.sub.3 -C.sub.12 -alkynyl subject to the proviso that the carbon atom attached to the nitrogen atom is a primary carbon atom, C.sub.7 -C.sub.12 -aralkyl, C.sub.1 -C.sub.12 -acyl, 2,3-epoxypropyl, OH-monosubstituted C.sub.2 -C.sub.6 -alkyl or 2,3-dihydroxypropyl, R.sub.2 is hydrogen, C.sub.1 -C.sub.18 -alkyl, C.sub.5 -C.sub.18 -cycloalkyl, C.sub.6 -C.sub.18 -aryl or C.sub.7 -C.sub.18 -aryalkyl, R.sub.3 is C.sub.6 -C.sub.18 -aryl or a group of the formula (II) ##STR2## in which R.sub.1 is as defined above, n is an integer from 1 to 4 and R.sub.4 is an organic or inorganic radical of a valency equal to n are useful for stabilizing organic material against oxidative, thermal and/or light induced degradation.

REFERENCES:
patent: 4695600 (1987-09-01), Avar
Chem. Abstracts, vol. 106, No. 16; 121476a (1987).

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