Racemoselective synthesis of rac-diorganosilylbis(2-methylbenzo[e]indeyl)zirconium compounds
    6.
    发明授权
    Racemoselective synthesis of rac-diorganosilylbis(2-methylbenzo[e]indeyl)zirconium compounds 失效
    外消旋 - 二有机甲硅烷基双(2-甲基苯并[e]茚满)锆化合物的外消旋选择性合成

    公开(公告)号:US07098354B2

    公开(公告)日:2006-08-29

    申请号:US10532511

    申请日:2003-10-22

    IPC分类号: C07F17/00 B01J31/00

    摘要: The present invention relates to a specific process for the diastereoselective synthesis of rac-diorganosilylbis(2-methylbenzo[e]indenyl)zirconium compounds of the formula I, by reacting the silyl-bridged bisindenyl ligand with a dihalozirconium bis(3,5-di-tert-butylphenoxide)-base adduct to form the diorganosilylbis(2-methylbenzo[e]indenyl)zirconium bis(3,5-di-tert-butylphenoxide) and subsequently replacing the phenoxide groups by X using suitable replacement reagents to give the compound of the formula I; where the substituents X can be identical or different and are each F, Cl, Br, I or linear, cyclic or branched C1-10-alkyl; and the substituents R can be identical or different and are each linear, cyclic or branched C1-10-alkyl or C6-10-aryl; and also to the use of these compounds as catalysts.

    摘要翻译: 本发明涉及通过使甲硅烷基桥连的双茚基配体与二卤代双(3,5-二(二苯基)环己基)二卤代锆反应来非对映选择性合成式I的外消旋二有机甲硅烷基双(2-甲基苯并[e]茚基) - 叔丁基苯酚) - 基加成物形成二有机甲硅烷基双(2-甲基苯并[e]茚基)双(3,5-二叔丁基苯氧基)锆,随后用合适的替代试剂将X代替苯酚基,得到化合物 的式I; 其中取代基X可以相同或不同,并且各自为F,Cl,Br,I或直链,环状或支链C 1-10 - 烷基; 并且取代基R可以相同或不同,并且各自是直链,环状或支链C 1-10 - 烷基或C 6-10 - 芳基; 以及这些化合物作为催化剂的使用。

    Meso-selective synthesis of ansa-metallocenes

    公开(公告)号:US07635783B2

    公开(公告)日:2009-12-22

    申请号:US10583574

    申请日:2004-12-15

    IPC分类号: C07F17/00 B01J31/00

    摘要: 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 R1, R1 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2, R2 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 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, M1 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, M2 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.

    Process for the racemoselective preparation of ansa-metallocenes

    公开(公告)号:US07671223B2

    公开(公告)日:2010-03-02

    申请号:US11579526

    申请日:2005-05-04

    IPC分类号: C07F17/00 C07F7/00

    CPC分类号: C07F17/00

    摘要: The present invention relates to a process for the racemoselective 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) (LB)yM1(NR3R4)Xx-1  (III) where R1, R1′ are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2, R2′ are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 is an organic radical having from 1 to 40 carbon atoms, R4 is hydrogen or an organic radical having from 1 to 40 carbon atoms, 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 which has 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, M1 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 can be substituted by a cyclopentadienyl anion, x is a natural number from 3 to 6, M2 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 is 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 a further process for the racemoselective preparation of ansa-metallocene complexes of the formula (IV) starting from the metallocene complexes of the formula (I) prepared by the first process, the use of transition metal compounds of the formula (III) for preparing metallocenes and also specific transition metal compounds of the formula (III).

    Meso-selective synthesis of ansa-metallocenes

    公开(公告)号:US20070155920A1

    公开(公告)日:2007-07-05

    申请号:US10583574

    申请日:2004-12-15

    IPC分类号: C07F17/00 C08F4/44

    摘要: 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 R1, R1 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2, R2 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 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, M1 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, M2 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.

    Process for the Racemoselective Preparation of Ansa-Metallocenes

    公开(公告)号:US20080275261A1

    公开(公告)日:2008-11-06

    申请号:US11579526

    申请日:2005-05-04

    IPC分类号: C07F7/08

    CPC分类号: C07F17/00

    摘要: The present invention relates to a process for the racemoselective 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) (LB)yM1(NR3R4)x-1   (III) where R1, R1′ are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2, R2′ are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 is an organic radical having from 1 to 40 carbon atoms, R4 is hydrogen or an organic radical having from 1 to 40 carbon atoms, 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 which has 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, M1 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 can be substituted by a cyclopentadienyl anion, x is a natural number from 3 to 6, M2 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 is 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 a further process for the racemoselective preparation of ansa-metallocene complexes of the formula (IV) starting from the metallocene complexes of the formula (I) prepared by the first process, the use of transition metal compounds of the formula (III) for preparing metallocenes and also specific transition metal compounds of the formula (III).