Process for the preparation of bulky alkyldiarylphosphines...

Details Process for the preparation of bulky alkyldiarylphosphines... Process for the preparation of bulky alkyldiarylphosphines...

C - Chemistry, Metallurgy

07

F

260/291, 260/613

C07F 9/50 (2006.01) C07F 9/58 (2006.01)

Patent

CA 1244413

- 33 - ABSTRACT OF THE DISCLOSURE A process for the selective production of bulky alkyldiarylphosphines and unsymmetrical dialkylaryl- phosphines comprising reacting a first Grignard reagent having a bulky alkyl group with an aryldichlorophosphine and thereafter and without isolating the resulting bulky alkylarylchlorophosphine intermediate, reacting said intermediate with a second Grignard reagent having a different, less bulky alkyl group or an aryl group to provide the product phosphine.

470154

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