Process for the preparation of triaryl phosphates using H.sub.3

Details Process for the preparation of triaryl phosphates using H.sub.3 Process for the preparation of triaryl phosphates using H.sub.3

1989-02-07

1992-03-17

Shah, Mukund J.

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

Organic compounds

Phosphorus esters

502213, C07F 902

Patent

active

050970569

ABSTRACT:
A process is described according to which triaryl phosphates are prepared by the reaction of one or more phenols with H.sub.3 PO.sub.4, in the presence of a hard cation as a catalyst. Novel catalysts and catalyst precursors for this purpose are described.

REFERENCES:
patent: 2963506 (1960-12-01), Lewinski
"Phosphorous and Its Compounds", vol. 2, edited by John R. Wazer, Interscience publishers Ltd London (1961) pp. 1222, 1231, 1232.
"The Manufacture and Use of Selected Aryl and Alkylaryl Phosphate Esters", TASK 1, Feb. 1976, p. 19.
"The Chemistry and Uses of Fire Retardants", John W. Lyons, Wiley Interscience, pp. 41-45.

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