Ortho-alkylated phenyl phosphonites

Details Ortho-alkylated phenyl phosphonites Ortho-alkylated phenyl phosphonites

1981-08-31

1983-09-27

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260973, C07F 948, C08J 320

Patent

active

044068425

ABSTRACT:
Ortho-alkylated phenyl phosphonites of the formula ##STR1## wherein R.sup.1 is alkyl, phenyl or phenyl substituted by alkyl, R.sup.2 is tertiary alkyl or phenylalkyl, and R.sup.3 is hydrogen, alkyl or phenylalkyl are useful as stabilizers for organic polymers and lubricating oils, particularly as processing stabilizers for polyolefins.

REFERENCES:
patent: 3825629 (1974-07-01), Hofer et al.
patent: 3978020 (1976-08-01), Liberti

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