Process for the preparation of phosphoric diesters

Details Process for the preparation of phosphoric diesters Process for the preparation of phosphoric diesters

1983-07-08

1986-05-06

Sutto, Anton H.

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

Organic compounds

Heavy metal containing

558114, C07F 909

Patent

active

045870632

ABSTRACT:
An industrially advantageous process of preparing phosphoric acid diesters of high purity.
To a mixture of phosphoric esters comprising phosphoric monoesters and phosphoric diesters, a base is added in an amount of 0.5-1.3 equivalents based on phosphorus atoms which are contained in the mixture. The phosphoric monoesters are converted into orthophosphoric acid and organic hydroxyl compounds by hydrolysis, after which step the orthophosphoric acid and organic hydroxyl compounds are removed from the mixture.

REFERENCES:
Kosolapofd, "Organophosphorus Compounds", (1950), p. 233.

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