Production of [2-(halogenoformyl)-vinyl]-organyl phosphinic acid

Details Production of [2-(halogenoformyl)-vinyl]-organyl phosphinic acid Production of [2-(halogenoformyl)-vinyl]-organyl phosphinic acid

1977-03-02

1979-10-30

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 930, C07C 5158

Patent

active

041728459

ABSTRACT:
[2-(HALOGENOFORMYL)-VINYL]-ORGANYL-PHOSPHINIC ACID HALIDES OF THE GENERAL FORMULA ##STR1## in which R.sub.1 stands for an alkyl group having 1 to 8 carbon atoms, an aryl group or a substituted derivative of these groups, R.sub.2 stands for a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an aryl group or a substituted derivative of these groups, and X stands for a chlorine or bromine atom, are produced. To this end, a 2 halogenoacrylic acid or a substitution product thereof of the general formula ##STR2## in which R.sub.2 and X have the meanings given above, is reacted at 15.degree.-90.degree. C. with an organyldihalogenophosphane of the general formula

REFERENCES:
V. K. Khairullin et al., Chemical Abstracts, vol. 69 106,816(k) (1968).
V. K. Khairullin et al., Chemical Abstracts, vol. 101,758(y) (1972).

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