PREPARATION OF SUBSTITUTED BRIDGED INDENYL AND RELATED LIGANDS
    2.
    发明申请
    PREPARATION OF SUBSTITUTED BRIDGED INDENYL AND RELATED LIGANDS 审中-公开
    取代的桥梁和相关配置的准备

    公开(公告)号:WO2007070045A1

    公开(公告)日:2007-06-21

    申请号:PCT/US2005/045284

    申请日:2005-12-14

    IPC分类号: C08F4/6592

    摘要: A process for preparing a chelating ligand of the formula (II) from a chelating ligand of the formula (I) via an sp 2 -sp 2 or sp 2 -sp 3 coupling reaction with an organometallic compound of the formula (III). wherein B is a bridging group that is bonded to L 1 and L 2 in formula (I) and to L 3 and L 4 in formula (II); L 1 is a substituted monocyclic or polycyclic ligand that comprises at least one chlorine, bromine, iodine, or sulfonate substituent, directly bonded to an sp2 carbon atom of the ring structure of the ligand; L 2 is a monoanionic ligand; or L 2 may, independently, be defined as L 1 ; L 3 is the same group as L 1 , but said at least one chlorine, bromine, iodine, or sulfonate substituent is replaced with a hydrocarbyl, substituted hydrocarbyl, halocarbyl, or substituted halocarbyl fragment; L 4 is the same group as L 2 , though, when L 2 is defined as L 1 , L 4 may be the same as L 3 or L 1 ; R 1 is a hydrocarbyl, substituted hydrocarbyl, halocarbyl, or substituted halocarbyl; M 1 is an element of group 1, 2, 12, 13 or 14 of the Periodic Table of the Elements; each X 2 , if present, is selected independently from the group consisting of halogen atoms, the hydroxyl group, alkoxy groups, aryloxy groups, mesylate, tosylate and triflate; r is 1, 2 or 3, and t is 0, 1 or 2, where r + t corresponds to the oxidation number of M 1 .

    摘要翻译: 一种通过式(I)的螯合配体经由sp2-2sp2或sp2-2制备式(II)的螯合配体的方法 与式(III)的有机金属化合物进行偶联反应。 其中B是结合到式(I)中的L 1和L 2的桥连基团和L 3和L 3 式(II)中的4 <! - SIPO < L 1是取代的单环或多环配体,其包含直接键合到配体的环结构的sp2碳原子上的至少一个氯,溴,碘或磺酸盐取代基; L 2是单阴离子配体; 或L 2可以独立地定义为L 1; L 3是与L 1相同的基团,但是所述至少一个氯,溴,碘或磺酸酯取代基被烃基,取代的烃基,卤代烃基或 取代的卤代烃基片段; L 4是与L 2相同的基团,尽管当L 2定义为L 1时,L 4 可以与L 3或L 1相同; R 1是烃基,取代的烃基,卤代烃基或取代的卤代烃基; M 1是元素周期表第1,2,12,13或14族的元素; 每个X 2,如果存在,独立地选自卤素原子,羟基,烷氧基,芳氧基,甲磺酸酯,甲苯磺酸酯和三氟甲磺酸酯; r为1,2或3,t为0,1或2,其中r + t对应于M 1的氧化数。

    HALOGEN SUBSTITUTED METALLOCENE COMPOUNDS FOR OLEFIN POLYMERIZATION
    7.
    发明申请
    HALOGEN SUBSTITUTED METALLOCENE COMPOUNDS FOR OLEFIN POLYMERIZATION 审中-公开
    用于烯烃聚合的卤素取代的金属化合物

    公开(公告)号:WO2007070041A1

    公开(公告)日:2007-06-21

    申请号:PCT/US2005/045244

    申请日:2005-12-14

    IPC分类号: C07F17/00 C08F10/00 C08F4/64

    CPC分类号: C07F17/00

    摘要: A metallocene compound is represented by the formula (1): wherein: M is a Group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom, preferably a Group 4 transition metal atom selected from titanium, zirconium or hafnium; E is a substituted or unsubstituted monocyclic or polycyclic arenyl ligand pi-bonded to M; A is a substituted or unsubstituted polycyclic arenyl ligand that is pi-bonded to M and has a different ring structure than the E ligand; at least one of the A and E ligands includes at least one halogen substituent directly bonded to an sp 2 carbon at a bondable ring position; Y is a bridging group containing at least one Group 13, 14, 15, or 16 element and any single position of the ring structure of A and to any single position of the ring structure of E; and y is zero or 1, indicating the absence (y = 0) or presence (y =1) of Y; and each X is a univalent anionic ligand, or two X are joined and bound to the metal atom to form a metallocycle ring, or two X are joined to form a chelating ligand, a diene ligand, or an alkylidene ligand; provided that when E is an unsubstituted cyclopentadienyl ligand, either y is one or A is not 2-bromofluorenyl or 2,7-dibromofluorenyl.

    摘要翻译: 金属茂化合物由式(1)表示:其中:M是第3,4,5或6族过渡金属原子,或镧系元素金属原子或锕系金属原子,优选选自钛的第4族过渡金属原子 ,锆或铪; E是与M键合的取代或未取代的单环或多环的烷基配体; A是取代或未取代的与M配体结合并具有不同于E配体的环结构的多环烷基配体; A和E配体中的至少一个配体包括在可键合的环位置上直接键合到sp 2 O 2上的至少一个卤素取代基; Y是含有至少一个第13,14,15或16族元素和A的环结构的任何单个位置和E的环结构的任何单个位置的桥连基团; y为0或1,表示Y不存在(y = 0)或存在(y = 1); 并且每个X是一价阴离子配体,或两个X连接并结合到金属原子以形成金属环,或者两个X连接形成螯合配体,二烯配体或亚烷基配体; 条件是当E是未取代的环戊二烯基配体时,y是1或A不是2-溴芴基或2,7-二溴芴基。

    HALOGEN SUBSTITUTED METALLOCENE COMPOUNDS FOR OLEFIN POLYMERIZATION
    8.
    发明申请
    HALOGEN SUBSTITUTED METALLOCENE COMPOUNDS FOR OLEFIN POLYMERIZATION 审中-公开
    用于烯烃聚合的卤素取代的金属化合物

    公开(公告)号:WO2006065906A2

    公开(公告)日:2006-06-22

    申请号:PCT/US2005/045245

    申请日:2005-12-14

    摘要: Ametallocene compound is represented by the formula (1): A 2 Y y MX n-2 wherein: M is a transition metal atom having a coordination number of n selected from Group 3, 4, 5 or 6 of the Periodic Table of Elements, or a lanthanide metal atom, or actinide metal atom; each A is independently a substituted polycyclic arenyl ligand pi-bonded to M, each A ligand includes at least one halogen substituent directly bonded to an sp 2 carbon at a bondable ring position and, when each A is a substituted indenyl ligand and y is equal to one and the ligand includes at least one chloro, bromo or iodo substituent at the 4, 5, or 6 position of the indenyl ligand, then A also includes at least one other substituent in the indenyl ligand selected from hydrocarbyl, substituted hydrocarbyl, halogen, halocarbyl, substituted halocarbyl, silylcarbyl, substituted silylcarbyl, germylcarbyl, substituted germylcarbyl, or other heteroatom substituents wherein the heteroatom is bonded directly to a ring carbon of the ring structure ligand and is boron, a Group 15 atom, or a Group 16 atom, preferably boron, nitrogen, oxygen, phosphorus, or sulfur; Y is an optional bridging group containing at least one Group 13, 14, 15, or 16 element and is bonded to any single position of the ring structure of A, y is zero or 1, indicating the absence (y = 0) or presence (y =1) of Y; and the or each X is a univalent anionic ligand, or two X are joined and bound to the metal atom to form a metallocycle ring, or two X are joined to form a chelating ligand, a diene ligand, or an alkylidene ligand; provided that when y is equal to 1, then A is not 5,6-dichloroindenyl or an indenyl group having a fluoro- or chloro substituent at the 7 position and a hydrocarbyl or substituted hydrocarbyl substituent at the 4 position, and provided further that when y is equal to 0, then A is not 5,6-difluoroindenyl.

    摘要翻译: 亚茂金属化合物由式(1)表示:其中:M是具有一个(C 1 -C 6) 选自元素周期表第3,4,5或6族的n的配位数,或镧系元素金属原子或锕系金属原子; 每个A独立地是与M键合的取代的多环烷基配体,每个A配位体包括至少一个在可键合的环位置直接键合到sp 2 O 2上的卤素取代基,并且当每个A是 取代的茚基配体并且y等于1,并且配体在茚基配体的4,5或6位包含至少一个氯,溴或碘取代基,则A还包括所选择的茚基配体中的至少一个其它取代基 由烃基,取代的烃基,卤素,卤代烃基,取代的卤代烃基,甲硅烷基,取代的甲硅烷基,甲硅烷基,取代的烯基羰基或其它杂原子取代基,其中杂原子直接键合到环结构配体的环碳上,并且是硼, ,或16族原子,优选硼,氮,氧,磷或硫; Y是任选的含有至少一个第13,14,15或16族的桥连基团,并且键合到A的环结构的任何单个位置,y为0或1,表示不存在(y = 0)或存在 (y = 1); 并且该X或每个X是一价阴离子配体,或两个X连接并结合到金属原子上以形成金属环,或者两个X连接形成螯合配体,二烯配体或亚烷基配体; 条件是当y等于1时,A不是5,6-二氯茚基或在7位具有氟或氯取代基的茚基和在4位上的烃基或取代的烃基取代基,并进一步提供当 y等于0,那么A不是5,6-二氟茚基。

    PROCESS FOR PRODUCING METHYL METHACRYLATE
    9.
    发明申请
    PROCESS FOR PRODUCING METHYL METHACRYLATE 审中-公开
    生产甲基丙烯酸甲酯的方法

    公开(公告)号:WO2015091173A1

    公开(公告)日:2015-06-25

    申请号:PCT/EP2014/077302

    申请日:2014-12-11

    IPC分类号: C07C67/44 C07C69/54 C07C67/39

    摘要: The present invention relates to a catalytic continuous process for producing methyl methacrylate, said process comprising the step of reacting methacrolein with oxygen and methanol in the presence of a heterogeneous noble-metal-containing catalyst in an oxidative esterification reaction to give methyl methacrylate, characterized in that the stationary concentration of the starting material methacrolein is equal to or less than 12 % by weight based on the total weight of the reaction mixture in the reactor, and the ratio F between the total liquid volume within the reactor expressed in litres divided by the total weight of catalyst in the reactor expressed in kilograms is equal to or less than 4.

    摘要翻译: 本发明涉及一种用于生产甲基丙烯酸甲酯的催化连续方法,所述方法包括在氧化酯化反应中在含异丁烯的含贵金属的催化剂存在下使甲基丙烯醛与氧和甲醇反应的步骤,得到甲基丙烯酸甲酯,其特征在于 起始原料甲基丙烯醛的固定浓度基于反应器中的反应混合物的总重量等于或小于12重量%,反应器内的总液体体积之间的比F以体积表示,除以 以千克表示的反应器中的催化剂的总重量等于或小于4。