Amide derivatives of polyalkylpiperidines

Details Amide derivatives of polyalkylpiperidines Amide derivatives of polyalkylpiperidines

1981-03-17

1982-09-07

Bond, Robert T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546190, 546208, 546224, 544130, 524 99, 524103, C07D21158

Patent

active

043485243

ABSTRACT:
Compounds of the formula I ##STR1## in which m is 0 or 1 and n is 1 or 2 and R, R.sup.1, R.sup.2, Z and X are as defined in claim 1, and also salts of these compounds, are valuable light stabilizers for organic materials, especially for polymers. The compounds of the formula I can be prepared from the corresponding 4-sec.-aminopiperidines by reaction with cyclic dicarboxylic acid anhydrides and appropriate further reactions.

REFERENCES:
patent: 3684765 (1972-02-01), Matsui et al.
patent: 3904581 (1975-11-01), Murayama et al.
patent: 3907803 (1975-04-01), Ramey et al.
patent: 4118368 (1978-10-01), Soma et al.
patent: 4191653 (1980-03-01), Brunetti et al.

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