Process for preparing pentaerithritol methylphosphonates having

Details Process for preparing pentaerithritol methylphosphonates having Process for preparing pentaerithritol methylphosphonates having

1979-09-06

1981-06-30

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

C07F 940

Patent

active

042762340

ABSTRACT:
A process is provided for the preparation of diaryl methylphosphonates through the reaction of triaryl phosphites with methanol in the presence of a catalytic quantity of methyl iodide. The reaction is conducted at a temperature of from about 170.degree. C. to about 250.degree. C. New and useful derivatives are produced by reaction of the diaryl methylphosphonates with polyols or amines.

REFERENCES:
patent: 3511857 (1970-05-01), Baranauckas et al.

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