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    Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins
    2.
    发明申请
    Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins 有权

    公开(公告)号：US20070155919A1

    公开(公告)日：2007-07-05

    申请号：US10581985

    申请日：2004-12-06

    申请人： Yoshikuni Okumura ,  Michael Elder ,  Ilya Nifant'ev ,  Pavel Ivchenko ,  Vladimir Bagrov

    发明人： Yoshikuni Okumura ,  Michael Elder ,  Ilya Nifant'ev ,  Pavel Ivchenko ,  Vladimir Bagrov

    IPC分类号： C08F4/44 ,  C07F17/00

    CPC分类号： C07C13/553 ,  C07C2603/10 ,  C07F17/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F10/00 ,  C08F110/06 ,  C08F210/06 ,  Y10S526/943 ,  C08F4/65927 ,  C08F2500/17 ,  C08F2500/03 ,  C08F210/16

    摘要： The present invention relates to organometallic transition metal compounds of the formula (I) where 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, with two radicals X also being able to be joined to one another, n is a natural number from 1 to 4, Z is a divalent organic group which has from 1 to 40 carbon atoms and together with the two carbon atoms of the indenyl system forms a saturated or unsaturated, substituted or unsubstituted ring system having a ring size of from 4 to 12 atoms, where Z within the ring system fused to the indenyl system may also contain one or more, identical or different heteroatoms selected from the group consisting of Si, Ge, N, P, 0, S, Se and Te, R1 is hydrogen or an organic radical having from 1 to 40 carbon atoms, R2 is hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 is hydrogen, halogen or an organic radical having from 1 to 40 carbon atoms, R4 is hydrogen, halogen or an organic radical having from 1 to 40 carbon atoms, R5 is hydrogen or an organic radical having from 1 to 40 carbon atoms, R6 is hydrogen or an organic radical having from 1 to 40 carbon atoms, R7, R8 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms or R7 and R8 together with the atoms connecting them form a monocyclic or polycyclic, substituted or unsubstituted ring system which has from 1 to 40 carbon atoms and may also contain heteroatoms selected from the group consisting of the elements Si, Ge, N, P, 0, S, Se and Te, A is a bridge consisting of a divalent atom or a divalent group, and if R3 is hydrogen, then R5 is an organic radical which has from 3 to 20 carbon atoms and is branched in the a position and R6 is hydrogen, biscyclopentadienyl ligand systems having such a substitution pattern, catalyst systems comprising at least one of the organometallic transition metal compounds of the present invention, a process for preparing polyolefins by polymerization or copolymerization of at least one olefin in the presence of one of the catalyst systems of the present invention, the use of the biscyclopentadienyl ligand systems of the present invention for preparing organometallic transition metal compounds and a process for preparing organometallic transition metal compounds using the biscyclopentadienyl ligand systems.

    Synthesis of cyclopentadiene derivatives
    4.
    发明授权
    Synthesis of cyclopentadiene derivatives 失效
    环戊二烯衍生物的合成

    公开(公告)号：US07635781B2

    公开(公告)日：2009-12-22

    申请号：US11819560

    申请日：2007-06-27

    申请人： Ilya Nifant'ev ,  Igor Kashulin ,  Pavel Ivchenko ,  Peter Klusener ,  Frans Korndorffer ,  Kees de Kloe ,  Jos Rijsemus

    发明人： Ilya Nifant'ev ,  Igor Kashulin ,  Pavel Ivchenko ,  Peter Klusener ,  Frans Korndorffer ,  Kees de Kloe ,  Jos Rijsemus

    IPC分类号： C07D403/04

    CPC分类号： C07D493/04 ,  C07D209/94 ,  C07D333/78 ,  C07D495/04

    摘要： A compound of formula (X): wherein R1, R2, equal to or different from each other are hydrogen or a linear or branched saturated or unsaturated C1-C20-alkyl, C3-C20-cycloalkyl, C6-C20-aryl, C7-C20-alkylaryl or C7-C20-arylalkyl radical, optionally containing heteroatoms belonging to groups 13-17 of the Periodic Table of the Elements; or they can form a C4-C7 ring optionally containing O, S, N, P or Si atoms that can bear substituents; R3 is hydrogen or a linear or branched saturated or unsaturated C1-C20-alkyl, C3-C20-cycloalkyl, C6-C20-aryl, C7-C20-alkylaryl or C7-C20-arylalkyl radical, optionally containing heteroatoms belonging to groups 13-17 of the Periodic Table of the Elements; or two adjacent R3 groups can form a C4-C7 ring optionally containing O, S, N, P or Si atoms, wherein said ring can bear substituents; and at least one of R1, R2 or R3 is different from hydrogen.

    摘要翻译： 式（X）的化合物：其中R1，R2彼此相同或不同，为氢或直链或支链饱和或不饱和的C1-C20烷基，C3-C20-环烷基，C6-C20-芳基，C7- 任选地含有属于元素周期表第13-17族的杂原子的C 20 - 烷基芳基或C 7 -C 20 - 芳基烷基; 或者它们可以形成任选地含有可以带有取代基的O，S，N，P或Si原子的C 4 -C 7环; R 3是氢或直链或支链饱和或不饱和的C 1 -C 20烷基，C 3 -C 20 - 环烷基，C 6 -C 20 - 芳基，C 7 -C 20烷基芳基或C 7 -C 20 - 芳基烷基，任选地含有属于第13- 元素周期表17; 或两个相邻的R3基团可以形成任选地含有O，S，N，P或Si原子的C 4 -C 7环，其中所述环可以带有取代基; 并且R 1，R 2或R 3中的至少一个与氢不同。