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    Process and catalyst for the hydrogenation of olefinically unsaturated compounds
    2.
    发明授权
    Process and catalyst for the hydrogenation of olefinically unsaturated compounds 有权
    用于烯属不饱和化合物氢化的方法和催化剂

    公开(公告)号：US06180553B2

    公开(公告)日：2001-01-30

    申请号：US09158770

    申请日：1998-09-23

    申请人： Francesco Masi ,  Roberto Santi ,  Gianfranco Longhini ,  Andrea Vallieri

    发明人： Francesco Masi ,  Roberto Santi ,  Gianfranco Longhini ,  Andrea Vallieri

    IPC分类号： C08F804

    CPC分类号： B01J31/2295 ,  B01J31/122 ,  B01J2231/645 ,  B01J2531/46 ,  B01J2531/48 ,  B01J2531/49 ,  C07C5/03 ,  C07C2531/12 ,  C07C2531/22 ,  C08C19/02 ,  C08F8/04

    摘要： Effective catalyst in the selective hydrogenation of olefinic double bonds, comprising the reaction product between: (A) at least one cyclopentadienyl complex of a transition metal having the following general formula (I): (R)M(R1)(R2)(R3)  (I)  wherein: M is selected from titanium, zirconium and hafnium, preferably titanium; R is an anion containing an &eegr;5-cyclopentadienyl ring co-ordinated to M; and each R1, R2 or R3, independently, represents an organic or inorganic group of an anionic nature bound to M, and may, particularly, be hydride, halide, a C1-C8 alkyl group, a C3-C12 alkylsilyl group, a C5-C8 cycloalkyl group, a C6-C10 aryl group, a C1-C8 alkoxyl group, a C1-C8 carboxyl group, a C2-C10 dialkylamide group and a C4-C20 alkylsilylamide group;  the above compound (I) being solid, supported or dispersed in an inert liquid medium; and (B) at least one organometallic compound of magnesium having the following formula (II): Mg(R4)n(R5)(2−n)  (II)  wherein: R4 is an aliphatic or aromatic hydrocarbon group having from 1 to 20 carbon atoms, R5 is halogen or a group such as R4, and “n” is a decimal number between 0.5 and 2.0, preferably 2.

    摘要翻译： 包括以下反应产物之间的反应产物的有效催化剂：（A）至少一种具有以下通式（I）的过渡金属的环戊二烯基络合物：其中：M选自钛，锆和铪， 优选钛; R是含有与M配位的η5-环戊二烯基环的阴离子; R 1，R 2或R 3独立地表示与M结合的阴离子性质的有机或无机基团，特别可以是氢化物，卤化物，C1-C8烷基，C3-C12烷基甲硅烷基，C5- C8环烷基，C6-C10芳基，C1-C8烷氧基，C1-C8羧基，C2-C10二烷基酰胺基和C4-C20烷基甲硅烷基酰胺基; 上述化合物（I）是固体，负载或分散在惰性液体介质中; 和（B）至少一种具有下式（II）的镁的有机金属化合物：其中：R 4是具有1至20个碳原子的脂族或芳族烃基，R 5是卤素或诸如R 4的基团，“n “是0.5到2.0之间的十进制数，最好是2。

    Catalytic composition for the hydrogenation of olefinically unsaturated organic compounds
    4.
    发明授权
    Catalytic composition for the hydrogenation of olefinically unsaturated organic compounds 有权
    用于烯属不饱和有机化合物氢化的催化组合物

    公开(公告)号：US06281397B1

    公开(公告)日：2001-08-28

    申请号：US09235378

    申请日：1999-01-22

    申请人： Roberto Santi ,  Francesco Masi ,  Gianfranco Longhini

    发明人： Roberto Santi ,  Francesco Masi ,  Gianfranco Longhini

    IPC分类号： C07C1300

    CPC分类号： B01J31/0212 ,  B01J31/122 ,  B01J2231/645 ,  C07B35/02 ,  C07C5/03 ,  C07C67/303 ,  C07C2531/12 ,  C07C2531/22

    摘要： A catalytic composition effective in the selective hydrogenation of olefinic double bonds, comprising the reaction product between: (A) at least one complex of a transition metal having the following general formula (I): M(R1)(R2)(R3)(R4)  (I)  wherein: M is selected from titanium and zirconium, preferably titanium; each of the radicals R1, R2, R3 or R4, independently, represents an organic or inorganic group of an anionic nature &sgr;-bound to M, on the condition that at least one, and preferablyat at least two, of these radicals is an organic group; and (B) at least one organometallic compound of magnesium having the following formula (II): Mg(R5)n(R6)(2−n)  (II)  wherein: R5 or R6 each independently represent an aliphatic or aromatic hydrocarbon group having from 1 to 20 carbon atoms, and “n” is a decimal number between 0 and 2.0. Said catalytic composition advantageously and selectively promotes the direct hydrogenation of double bonds of an olefinic type, with high rates and with a reduced formation of isomers.

    摘要翻译： 包括有效地选择性氢化烯属双键的催化组合物，其包含以下反应产物：（A）至少一种具有以下通式（I）的过渡金属络合物：其中：M选自钛和锆，优选 钛;每个基团R 1，R 2，R 3或R 4独立地表示与M结合的阴离子性质的有机或无机基团，条件是这些基团中至少一个，优选至少两个是这些基团 有机团体 和（B）至少一种具有下式（II）的镁的有机金属化合物：其中：R 5或R 6各自独立地表示具有1至20个碳原子的脂族或芳族烃基，“n”是 0和2.0。所述催化剂组合物有利且选择性地促进烯烃型双键的直接氢化，具有高速率和减少的异构体形成。