申请人:BOREALIS AG
公开号:WO2018091684A1
公开(公告)日:2018-05-24
A complex of formula (I) wherein M is zirconium or hafnium; each X independently is a sigma ligand; L is a divalent bridge selected from -R'2C-, -R'2C-CR'2-, -R'2Si-, -R'2Si-SiR'2-, -R'2Ge-, wherein each R' is independently a hydrogen atom or a C1-C20-hydrocarbyl group optionally containing one or more silicon atoms or heteroatoms of Group 14-16 of the periodic table or fluorine atoms, and optionally two R' groups taken together can form a ring; R2 and R2' are each independently a C1-C20 hydrocarbyl group, -OC1- hydrocarbyl group or -SC1-20 hydrocarbyl group; R5 is a -OC1-20 hydrocarbyl group or -SC1-20 hydrocarbyl group, said R5 group being optionally substituted by one or more halo groups; R5' is hydrogen or a C1-20 hydrocarbyl group; -OC1-20 hydrocarbyl group or -SC1-20 hydrocarbyl group; said C1-20 hydrocarbyl group being optionally substituted by one or more halo groups; R6 and R6' are each independently a C1-20 hydrocarbyl group; -OC1-20 hydrocarbyl group or -SC1-20 hydrocarbyl group; each R1 and R1' are independently -CH2Rx wherein Rx are each independently H, or a C1-20 hydrocarbyl group, optionally containing heteroatoms.
式中M为锆或铪;每个X独立地是一个σ配体;L是一个二价桥,选自-R'2C-、-R'2C-CR'2-、-R'2Si-、-R'2Si-SiR'2-、-R'2Ge-,其中每个R'独立地是一个氢原子或一个C1-C20的烃基团,可选地包含一个或多个硅原子或周期表中第14-16族的杂原子或氟原子,并且可选地两个R'基团一起可以形成一个环;R2和R2'各自独立地是一个C1-C20烃基团、-OC1-烃基团或-SC1-20烃基团;R5是一个-OC1-20烃基团或-SC1-20烃基团,所述R5基团可被一个或多个卤素取代;R5'是氢或一个C1-20烃基团;-OC1-20烃基团或-SC1-20烃基团;所述C1-20烃基团可被一个或多个卤素取代;R6和R6'各自独立地是一个C1-20烃基团;-OC1-20烃基团或-SC1-20烃基团;每个R1和R1'各自独立地为-CH2Rx,其中Rx各自独立地为H,或一个C1-20烃基团,可选地含有杂原子。