Process for preparing halogenomethane-phosphonic acid dihalides

Details Process for preparing halogenomethane-phosphonic acid dihalides Process for preparing halogenomethane-phosphonic acid dihalides

1973-12-03

1976-06-08

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 938, C07F 942

Patent

active

039623246

ABSTRACT:
Process for preparing halogenomethane-phosphonic acid dihalides of the formula ##EQU1## wherein X is halogen, preferably chlorine or bromine, by reacting hydroxymethane-phosphonic acids of the formula
Their salts or functional derivatives or thio-analogs, with acid halides of the formula ##EQU2##

REFERENCES:
patent: 3188281 (1965-06-01), Briggeman et al.
patent: 3200145 (1965-08-01), Lutz et al.

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