Production of (2-halogenoformyl)-vinyl)-organyl-phosphinic...

Details Production of (2-halogenoformyl)-vinyl)-organyl-phosphinic... Production of (2-halogenoformyl)-vinyl)-organyl-phosphinic...

C - Chemistry, Metallurgy

07

F

260/537.7

C07F 9/34 (2006.01) C07F 9/6571 (2006.01)

Patent

CA 1068299

PRODUCTION OF [2-(HALOGENOFORMYL)-VINYL]-ORGANYL- PHOSPHINIC ACID HALIDES ABSTRACT OF THE DISCLOSURE: [2-(halogenoformyl)-vinyl]-organyl-phosphinic acid halides of the general formula Image in which R1 stands for an alkyl group having 1 to 8 carbon atoms, an aryl group or a substituted derivative of these groups, R2 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 Image in which R2 and X have the meanings given above, is reacted at 15 - 90°C with an organyldihalogenophosphane of the general formula R1 - PX2 in which R1 and X have the meanings given above.

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