N-(2,2,6,6-tetramethyl-4-piperidyl) substituted amidothio phosph

Details N-(2,2,6,6-tetramethyl-4-piperidyl) substituted amidothio phosph N-(2,2,6,6-tetramethyl-4-piperidyl) substituted amidothio phosph

1975-04-07

1976-05-18

Winters, Sherman D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 458N, 26029364, C07D21158

Patent

active

039577988

ABSTRACT:
0,0-Bis(aryl)amidothiophosphates, useful as light stabilizers in polyolefins, are those having the formula: ##EQU1## wherein: R is hydrogen, alkyl of 1-12 carbons, or halogen; Ar is phenyl or naphthyl; n is 1 or 2; and R' and R", which may be the same or different, are each selected from the group consisting of hydrogen, alkyl of 1-18 carbons, 2,2,6,6-tetramethyl-4-piperidyl, cycloalkyl of 5-6 carbons or both R' and R", together with the N to which they are attached, form a morpholino or piperidino ring. Such compounds are made by reacting PSCl.sub.3 with two moles of a phenol and then the product thereof with an amine.

REFERENCES:
patent: 3100197 (1963-08-01), Heuck et al.
patent: 3309317 (1967-03-01), Wittner et al.
patent: 3531550 (1970-09-01), Herber et al.
patent: 3904581 (1975-09-01), Murayama et al.

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