Process for the preparation of dialkyl vinylphosphonates

Details Process for the preparation of dialkyl vinylphosphonates Process for the preparation of dialkyl vinylphosphonates

1988-03-03

1990-01-16

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

C07F 940

Patent

active

048944700

ABSTRACT:
A process for the production of dialkyl esters of vinyl phosphonic acid which comprises subjecting dialkyl esters of 2-acetoxyethane phosphonic acid to cleavage by contacting with a liquid catalytically acting medium at a temperature in the range from 150.degree. to 270.degree. C. and under a pressure such that the partial pressures of the total of the components of the reaction system is in the range from 1 to 500 mbar, and drawing off the resulting dialkyl esters of vinyl phosphonic acid and other volatile reaction products.

REFERENCES:
patent: 4386036 (1983-05-01), Kleiner et al.

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