Process for preparing diaryl-pentaerythritol diphosphites

Details Process for preparing diaryl-pentaerythritol diphosphites Process for preparing diaryl-pentaerythritol diphosphites

1986-03-28

1988-04-19

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

C07F 915

Patent

active

047390905

ABSTRACT:
A process for preparing diaryl pentaerythritol diphosphites by reaction of phosphorous trichloride, pentaerythritol and an alkyl phenol having the formula ##STR1## wherein: R.sub.1 is selected from the group consisting of tertiary alkyl having from about four to about eight carbon atoms and cyclohexyl; and

REFERENCES:
patent: 3772414 (1973-11-01), Baker et al.
patent: 4312818 (1982-01-01), Maul et al.

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