Method for preparing fluorine-containing phosphonates

Details Method for preparing fluorine-containing phosphonates Method for preparing fluorine-containing phosphonates

1983-04-22

1984-10-23

Sutto, Anton H.

Chemistry of carbon compounds

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

260932, C07F 940

Patent

active

044787618

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: 2599761 (1952-06-01), Harman et al.
patent: 2634288 (1953-04-01), Boyer et al.
patent: 3242236 (1966-03-01), Moedritzer
patent: 3256370 (1966-06-01), Fitch et al.
patent: 3404178 (1968-10-01), Roy
patent: 3422021 (1969-01-01), Roy
patent: 3471552 (1969-10-01), Budnick
The Merck Index, 9th Ed., (1976), #3038.
Cram et al., "Organic Chemistry", 2nd Ed., (1965), pp. 265-266.

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