C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/38 (2006.01) C07F 9/40 (2006.01)
Patent
CA 2286824
The invention relates to a method for producing vinyl phosphonic acid compounds of general formula (I) wherein R1 and R2 are independently H, C1-16- aryl, C7-12-alkaryl or C7-12-aralkyl radicals, wherein the organic radicals can be substituted by one or several halogen atoms, hydroxyl, acyl or acetoxy groups. Production occurs by reacting phosphoric acid compounds of general formula (II) with acetylene in the presence of a Pd(II) complex and/or a Pd(0) complex or corresponding Pt complexes as a catalyst.
L'invention concerne un procédé pour préparer des composés d'acide vinylphosphonique de la formule générale (I), dans laquelle R?1¿ et R?2¿ représentent indépendamment l'un de l'autre H, des restes alkyle C¿1-16?, aryle C¿6-12?, alkaryle C¿7-12?, ou aralkyle C¿7-12?, les restes organiques pouvant être substitués par un ou plusieurs atomes d'halogène, des groupes hydroxyle, acyle ou acétoxy. Selon l'invention, on procède par réaction des composés d'acide vinylphosphoreux de la formule générale (II) avec de l'acétylène, en présence d'un complexe Pd(II) et/ou d'un complexe Pd(0) ou de complexes Pt correspondants comme catalyseur.
Bottcher Arnd
Henkelmann Jochem
Preiss Thomas
Basf Aktiengesellschaft
Robic
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