Phosphonous acid monoester-monoamides

Details Phosphonous acid monoester-monoamides Phosphonous acid monoester-monoamides

1985-11-13

1987-03-24

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

558157, 558200, 540542, 544337, 546 21, C07F 924, C07F 965

Patent

active

046526480

ABSTRACT:
Phosphonous acid monoester-monoamides of the formula ##STR1## in which n is 1, R.sub.1 is phenyl, R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen or alkyl, R.sub.5 is alkyl or cyclohexyl, R.sub.6 is 2,2,6,6-tetramethylpiperidin-4-yl or ##STR2## R.sub.3 may also be ##STR3## where X is methylene or isopropylidene and R.sub.6 is alkyl or cyclohexyl. Said compounds are suitable for protecting organic material from the harmful effect of heat, oxygen and light.

REFERENCES:
patent: 4434109 (1984-02-01), Rasberger
patent: 4579682 (1986-04-01), Rasberger
Rasberger, Chemical Abstracts, vol. 96, No. 22, Abst. 96:182,218q May 31, 1982.

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