Process for the preparation of bis-phosphineoxide compounds

Details Process for the preparation of bis-phosphineoxide compounds Process for the preparation of bis-phosphineoxide compounds

C - Chemistry, Metallurgy

07

F

260/613.5

C07F 9/53 (2006.01)

Patent

CA 1241346

Abstract A process for the preparation of phenylene-bis- phosphineoxide compounds by reacting in a polar aprotic solvent a difluorobenzene compound with a compound of the general formula Image I wherein R1 and R2 represent the same or different alkyl-, aryl-, alkaryl- or aralkyl group or form together an alkylene group and Me is an alkali metal. The 1,2-phenylene-bis-phosphineoxide compounds may be used as bidentate phosphorus-containing ligands in transition metal catalyzed reactions.

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