meta- and para-Bis[zirconyl(IV)amino]cyclophanes; 1,3- or 1,4-C6H4[N(SiMe3)]2 as bridging ligands†
作者:Stephane Daniele、Peter B. Hitchcock、Michael F. Lappert
DOI:10.1039/a903921j
日期:——
The structurally characterised meta- and para-dimetallacyclophanes [RN(C6H4)N(R)Zr(NMe2)2N(R)(C6H4)N(R)Zr- (NMe2)2] (R = SiMe3), obtained from [Zr(NMe2)3(µ-NMe2)}2] and C6H4[N(H)R]2-1,3 or -1,4 (2 mol), are catalysts (with methylaluminoxane) for the polymerisation of ethylene.
结构特征为间位和对位二金属环芳烷 [RN(C6H4)N(R)Zr(NMe2)2N(R)(C6H4)N(R)Zr- (NMe2)2] (R = SiMe3),由 [ Zr(NMe2)3(µ-NMe2)}2] 和 C6H4[N(H)R]2-1,3 或 -1,4 (2 mol) 是乙烯聚合的催化剂(与甲基铝氧烷一起)。