Organolanthanide catalysts

Details Organolanthanide catalysts Organolanthanide catalysts

C - Chemistry, Metallurgy

07

F

402/553, 260/694

C07F 5/00 (2006.01) C07C 5/03 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1265151

Abstract of the Disclosure The reaction of the organolanthanide complexes [ n 5-(CH3)5C5]2MCl?Li((C2H5)2O)?, M = La, Nd, Sm, Lu, with LiCH[Si(CH3)3]2 provides a straight-forward route to ether-free and halide- free bis(pentamethylcyclopenta- dienyl) lanthanide alkyls, ( n 5(CH3)5C5)2MCH-[Si(CH3)3]2. The ( n 5(CH3)5C5)2NdCH[Si(CH3)3]2 complexes react with H2 under mild conditions to yield the corresponding hydrides [( n 5(CH3)5C5)2MH]2. These complexes have been found to be extremely active homogeneous olefin polymeri- zation catalysts, as well as catalysts for olefin and acetylene hydrogenation.

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