Process for preparing bis(dialkylphenyl) pentaerythritol diphosp

Details Process for preparing bis(dialkylphenyl) pentaerythritol diphosp Process for preparing bis(dialkylphenyl) pentaerythritol diphosp

1985-12-03

1987-05-12

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

558118, C07F 915

Patent

active

046652116

ABSTRACT:
An improved transesterification process for preparing bis-(2,4-dialkylphenyl) pentaerythritol phosphates using n-alkanes or cycloalkanes as solvents to provide high spiro/cage isomer ratios.

REFERENCES:
patent: 2961454 (1960-11-01), Gould et al.
patent: 3047608 (1962-07-01), Friedman et al.
patent: 3205250 (1965-09-01), Hechenbleikner
patent: 3787537 (1971-08-01), De Marcq
patent: 4209976 (1981-09-01), Hechenbleikner et al.
patent: 4305866 (1981-12-01), York et al.

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