Method for the preparation of fluorine-containing phosphonates a

Details Method for the preparation of fluorine-containing phosphonates a Method for the preparation of fluorine-containing phosphonates a

1982-03-08

1983-07-12

Sutto, Anton H.

Chemistry of carbon compounds

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

260932, C07F 932

Patent

active

043930115

ABSTRACT:
Fluorine-containing phosphonates and phosphonic acids are described. The method of preparation is a reaction of trialkylphosphites with dihalodifluoromethanes or a reaction of the salts of dialkylphosphites with halodifluoromethylphosphonates. The corresponding phosphonic acids are prepared by hydrolysis of the phosphonates.

REFERENCES:
patent: 2634288 (1953-04-01), Boyer et al.
patent: 3242236 (1966-03-01), Moedritzer

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