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    • 6. 发明申请
    • MESO-SELECTIVE SYNTHESIS OF ANSA-METALLOCENES
    • MESO选择性合成ANSA-METALLOCENES
    • WO2005058929A1
    • 2005-06-30
    • PCT/EP2004/014247
    • 2004-12-15
    • BASELL POLYOLEFINE GMBHCHEVALIER, ReynaldGARCIA, ValerieMÜLLER, PatrikSIDOT, ChristianTELLIER, ChristianDELANCRAY, Ludovic
    • CHEVALIER, ReynaldGARCIA, ValerieMÜLLER, PatrikSIDOT, ChristianTELLIER, ChristianDELANCRAY, Ludovic
    • C07F17/00
    • C07F17/00C08F10/00C08F110/06Y10S526/943C08F4/65927
    • The present invention relates to a process for the meso-selective preparation of ansa-metallocene complexes of the formula (I), which comprises reacting a ligand starting compound of the formula (II) with a transition metal compound of the formula III, where R 1 , R 1 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R 2 , R 2 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R 3 is a bulky organic radical which has at least 3 carbon atoms, is bound to the oxygen atom via a nonaromatic carbon or silicon atom and may be substituted by halogen atoms or further organic radicals having from 1 to 20 carbon atoms and may also contain heteroatoms selected from the group consisting of Si, N, P, O and S, T, T’ are identical or different and are each a divalent organic group which has from 1 to 40 carbon atoms and together with the cyclopentadienyl ring forms at least one further saturated or unsaturated, substituted or unsubstituted ring system having a ring size of from 5 to 12 atoms, where T and T’ may contain the heteroatoms Si, Ge, N, P, As, Sb, O, S, Se or Te within the ring system fused to the cyclopentadienyl ring, A is a bridge consisting of a divalent atom or a divalent group, M 1 is an element of group 3, 4, 5 or 6 of the Periodic Table of the Elements or the lanthanides, the radicals X are identical or different and are each an organic or inorganic radical which is able to be replaced by a cyclopentadienyl anion, x is a natural number from 1 to 4, M 2 is an alkali metal, an alkaline earth metal or a magnesium monohalide fragment, p is 1 in the case of doubly positively charged metal ions or 2 in the case of singly positively charged metal ions or metal ion fragments, LB is an uncharged Lewis base ligand, and y is a natural number from 0 to 6, and also the subsequent reaction of these complexes to form ansa-metallocenes of the formula (IV), the use of transition metal compounds of the formula (III) for preparing metallocenes and also transition metal compounds of the formula (III), ansa-metallocene complexes of the formula (I) and the use of these as constituents of catalyst systems for the polymerization of olefines.
    • 本发明涉及式(I)的硫杂茂金属络合物的中选择性制备方法,其包括使式(II)的配体原料化合物与式III的过渡金属化合物反应,其中R R 1相同或不同,各自为氢或具有1〜40个碳原子的有机基团,R 2,R 2相同或不同,各自为氢或有机基团 具有1至40个碳原子的基团,R 3是具有至少3个碳原子的体积大的有机基团,其通过非芳族碳原子或硅原子与氧原子结合,并且可被卤原子或其它有机基团取代 具有1至20个碳原子并且还可以含有选自Si,N,P,O和S的杂原子,T,T'相同或不同,并且各自为具有1至40个碳原子的二价有机基团 原子和环戊二烯基环一起形成至少一个 饱和或不饱和的取代或未取代的环体积为5至12个原子的环系,其中T和T'可含有杂原子Si,Ge,N,P,As,Sb,O,S,Se或Te 与环戊二烯基环稠合的环系,A是由二价原子或二价基团组成的桥,M 1是元素周期表第3,4,5或6族元素或镧系元素, 基团X相同或不同,各自为有机或无机基团,其能够被环戊二烯基阴离子代替,x为1至4的自然数,M 2为碱金属,碱土金属或 一卤化镁片段,在双正电荷金属离子的情况下,p为1,在带正电荷的金属离子或金属离子片的情况下,p为1,LB为不带电荷的路易斯碱配体,y为0〜6的自然数 ,以及这些络合物随后的反应形成式(IV)的硫代金属茂,其用途 用于制备金属茂的式(III)的过渡金属化合物和式(III)的过渡金属化合物,式(I)的仲茂金属络合物和它们作为用于烯烃聚合的催化剂体系的组分的用途 。