2,6-polyalkyl-4-piperidylamides, use thereof as stabilizers, in

Details 2,6-polyalkyl-4-piperidylamides, use thereof as stabilizers, in 2,6-polyalkyl-4-piperidylamides, use thereof as stabilizers, in

1989-07-06

1991-05-21

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 16, 546187, 546190, 546193, 546194, 546212, 546213, 546214, 546224, 546244, C07D40112, C07D40114, C07D22114, C07D21158

Patent

active

050177028

ABSTRACT:
Useful stabilizers for organic material, in particular plastics and paints, and metal ion deactivators are amides of the formula ##STR1## where R.sup.1 and R.sup.2 are singly methyl or together tetramethylene or pentamethylene, R.sup.3 is hydrogen, alkyl, alkoxycarbonyl, alkanoyl, benzyl, hydroxyethyl, cyanomethyl or aminomethyl, n is 1, 2 or 3 and--when n is 1--R.sup.4 is hydrogen and R.sup.5 is --CO--R.sup.6 is H, alkyl, cycloalkyl, aralkyl, phenoxyalkyl, aryl, a 5- or 6-membered heterocycle, alkoxy, aryloxy, cycloalkyloxy, phenylalkoxy, carbamoyl or --SO.sub.2 --R.sup.8 where R.sup.8 is alkyl or phenyl or ##STR2## is a phthalimide group or--when n is 2--R.sup.4 is H and R.sup.5 is --CO--Z--CO-- where Z is a chemical bond, C.sub.1 -C.sub.8 -alkylene, oxaalkylene, phenylene, cyclohexylene, biphenylene, biphenylene oxide, dioxyphenylene, diaminophenylene, diaminocyclohexylene, 1-.OMEGA.-diiminoalkylene or a 2-valent heterocycle or ##STR3## is a pyromellimide group or--when n is 3--R.sup.4 is H and R.sup.5 is ##STR4## where R.sup.10 is a trivalent alkyl or 3-valent aryl, or acid addition salts and hydrates thereof.

REFERENCES:
patent: 3684765 (1972-08-01), Matsui
patent: 3755586 (1973-08-01), Sanzari

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