| 摘要 |
Catalytic composition effective in the hydrogenation of olefinic double bonds prepared by reaction between:(A) at least one cyclopentadienyl complex of a transition metal having general formula (I) (R)(R1)M1(R2)(R3) wherein R is an anion containing an eta5-cyclopentadienyl ring coordinated to M1; M1 is selected from titanium, zirconium and hafnium; R2 and R3, the same or different, are organic or inorganic anion groups bound to M1; R1 is selected from cyclopentadienyl and R2;(B) an alkylating composition essentially consisting of:(b1) an organometallic compound having general formula (II) M2 (R4)(R5), wherein M2 is selected from Zn and Mg;(b2) an organoderivative of aluminum having general formula (III) Al(R6)3.
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