Piperazine-piperidine compounds for use as stabilizers for...

Details Piperazine-piperidine compounds for use as stabilizers for... Piperazine-piperidine compounds for use as stabilizers for...

C - Chemistry, Metallurgy

07

D

260/238, 400/708

C07D 401/14 (2006.01) C07D 211/58 (2006.01) C07D 405/14 (2006.01) C07D 413/14 (2006.01) C08K 5/34 (2006.01) C08K 5/3462 (2006.01) C08K 5/3492 (2006.01)

Patent

CA 2022031

A-17733/+/CHM 46 Piperazine-piperidine compounds for use as stabilizers for organic materials Abstract of the disclosure The present invention relates to novel piperazine-piperidine compounds of the general formula (I) Image (I) in which R1 is e.g. hydrogen or methyl, R2 is e.g. ethylene, m is zero or 1 and n is e.g. 1, and when n is 1, A is e.g. 2,2-dimethyl-1-propanoyl, n-butoxycarbonyl, n-tetradecyloxy- carbonyl or 2,4-bis[N-butyl-(2',2',6',6'-pentamethyl-4'-piperidyl)amino]triazin-6-yl. The said compounds are effective as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials.

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