Patent ID: 6730801
Filing Date: 2004-05-04
Classification: C07F,Y10S

Abstract:
A method for producing a dinuclear transition metal complex of formula (1) by reacting cyclopentadienyl ligand compound of formula (2) and substituted transition metal of formula (3)Cp-Si(R)2HNANHSi(R)2-Cpâ€ƒâ€ƒ(Formula 2) wherein,A represents C2-30 alkylene, substituted alkylene, arylene, substituted arylene, cycloalkylene, substituted cycloalkylene, biarylene or substituted biarylene; Cp represents a ligand compound having cyclopentadienyl skeleton selected from the group consisting of cyclopentadienyl, substituted cyclopentadienyl, indenyl, substituted indenyl, fluorenyl and substituted fluorenyl; R represents C1-20 alkyl or substituted alkyl; H represents hydrogen atom; Si represents silicon atom; and N represents nitrogen atom M(NR2â€²)4â€ƒâ€ƒ(Formula 3) M represents transition metal of Periodic Table IV selected from titanium, zirconium and hafnium; Râ€² represents C1-6 alkyl; wherein,X represents halogen atom or alkylamine; and A, R, Si, N, Cp and M are same as defined above.