Method of preparing a phosphine compound

Details Method of preparing a phosphine compound Method of preparing a phosphine compound

C - Chemistry, Metallurgy

07

F

C07F 9/50 (2006.01)

Patent

CA 2054546

61109-7907 ABSTRACT OF THE DISCLOSURE Allylphosphines and vinylphosphines are prepared by reaction of a phosphine with an allylhalide or a vinylhalide, respectively. Preferably the phosphine is a secondary phosphine, so that there is formed an allyldialkylphosphine or a dialkyl- vinylphosphine. The allyldialkylphosphine can be reacted further with dialkylphosphine under free radical conditions to yield a 1,3-bis-(dialkylphosphino)propane. The dialkylvinylphosphine can be reacted further with dialkylphosphine under free radical condi- tions to yield a 1,2-bis-(dialkylphosphino)ethane. These com- pounds are useful as bidentate ligands.

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