Process for preparing transition metal cyclopentadienyl...

Details Process for preparing transition metal cyclopentadienyl... Process for preparing transition metal cyclopentadienyl...

C - Chemistry, Metallurgy

07

F

260/426

C07F 17/00 (2006.01) C07F 11/00 (2006.01) C07F 13/00 (2006.01) C07F 15/06 (2006.01) F02B 1/04 (2006.01)

Patent

CA 2036861

Transition metal cyclopentadienyl carbonyl compounds of the formula: [R m C p M(CO)y]n wherein R is hydrocarbyl, C p is cyclopentadienyl, M is a transition metal, x is 0 or an integer from 1 to 5, y is an integer from 1 to 7, provided that when x is 2 to 5, R can represent two or more different hydrocarbyl groups and any two R groups can together form a fused ring with the cyclopentadienyl moiety, and n is 1 or 2, are prepared in one step by carbonylating a mixture of (i) a transition metal salt of an organic carboxylic acid a .beta.-diketone, or a .beta.-keto ester (ii) a cyclopentadiene compound (iii) and a metal alkyl reducing agent.

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