IMIDAZOLIDINE-BASED METAL CARBENE METATHESIS CATALYSTS
    3.
    发明申请
    IMIDAZOLIDINE-BASED METAL CARBENE METATHESIS CATALYSTS 有权
    基于咪唑烷的金属碳元素催化剂

    公开(公告)号:US20130165661A1

    公开(公告)日:2013-06-27

    申请号:US13494708

    申请日:2012-06-12

    IPC分类号: C07F15/00

    摘要: The present invention relates to novel metathesis catalysts with an imidazolidine-based ligand and to methods for making and using the same. The inventive catalysts are wherein: M is ruthenium or osmium; X and X1 are each independently an anionic ligand; L is a neutral electron donor ligand; and, R, R1R6, R7, R8, and R9 are each independently hydrogen or a substituent selected for the group consisting of C1 C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, aryl, C1-C20 alkoxycarbonyl, CI-Cm alkyithiol, aryl thiol, C1-C20 alkylsulfortyl and C1-C20 alkylsulfinyl, the substituent optionally substituted with one or more moieties selected from the group consisting of C1-C20 alkyl, C1-C10 alkoxy, aryl, and a functional group. The inclusion of an imidazolidine ligand to the previously described ruthenium or osmium catalysts has been found to dramatically improve the properties of these complexes.

    摘要翻译: 本发明涉及具有咪唑烷类配体的新型复分解催化剂及其制备和使用方法。 本发明的催化剂是其中:M是钌或锇; X和X1各自独立地为阴离子配体; L是中性电子给体配体; 和R 1,R 1,R 6,R 7,R 8和R 9各自独立地为氢或选自C 1 -C 20烷基,C 2 -C 20烯基,C 2 -C 20炔基,芳基,C 1 -C 20烷氧基羰基,C 1 -C 10烷硫基 芳基硫醇,C 1 -C 20烷基磺酰基和C 1 -C 20烷基亚磺酰基,任选被一个或多个选自C 1 -C 20烷基,C 1 -C 10烷氧基,芳基和官能团的部分取代的取代基。 已经发现将咪唑烷配体包含在前述的钌或锇催化剂中可显着地改善这些络合物的性质。

    HIGH METATHESIS ACTIVITY RUTHENIUM AND OSMIUM METAL CARBENE COMPLEXES

    公开(公告)号:US20090012254A1

    公开(公告)日:2009-01-08

    申请号:US11929212

    申请日:2007-10-30

    IPC分类号: C08G79/00

    摘要: Ruthenium and osmium carbene compounds that are stable in the presence of a variety of functional groups and can be used to catalyze olefin metathesis reactions on unstrained cyclic and acyclic olefins are disclosed. Also disclosed are methods of making the carbene compounds. The carbene compounds are of the formula where M is Os or Ru; R1 is hydrogen; R is selected from the group consisting of hydrogen, substituted or unsubstituted alkyl, and substituted or unsubstituted aryl; X and X1 are independently selected from any anionic ligand; and L and L1 are independently selected from any neutral electron donor. The ruthenium and osmium carbene compounds of the present invention may be synthesized using diazo compounds, by neutral electron donor ligand exchange, by cross metathesis, using acetylene, using cumulated olefins, and in a one-pot method using diazo compounds and neutral electron donors. The ruthenium and osmium carbene compounds of the present invention may be used to catalyze olefin metathesis reactions including, but not limited to, ROMP, RCM, depolymerization of unsaturated polymers, synthesis of telechelic polymers, and olefin synthesis.

    HIGH METATHESIS ACTIVITY RUTHENIUM AND OSMIUM METAL CARBENE COMPLEXES
    5.
    发明申请
    HIGH METATHESIS ACTIVITY RUTHENIUM AND OSMIUM METAL CARBENE COMPLEXES 失效
    高金属活性金属和金属碳复合物

    公开(公告)号:US20090012248A1

    公开(公告)日:2009-01-08

    申请号:US11929358

    申请日:2007-10-30

    IPC分类号: C08F4/42 C07F17/00

    摘要: Ruthenium and osmium carbene compounds that are stable in the presence of a variety of functional groups and can be used to catalyze olefin metathesis reactions on unstrained cyclic and acyclic olefins are disclosed. Also disclosed are methods of making the carbene compounds. The carbene compounds are of the formula where M is Os or Ru; R1 is hydrogen; R is selected from the group consisting of hydrogen, substituted or unsubstituted alkyl, and substituted or unsubstituted aryl; X and X1 are independently selected from any anionic ligand; and L and L1 are independently selected from any neutral electron donor. The ruthenium and osmium carbene compounds of the present invention may be synthesized using diazo compounds, by neutral electron donor ligand exchange, by cross metathesis, using acetylene, using cumulated olefins, and in a one-pot method using diazo compounds and neutral electron donors. The ruthenium and osmium carbene compounds of the present invention may be used to catalyze olefin metathesis reactions including, but not limited to, ROMP, RCM, depolymerization of unsaturated polymers, synthesis of telechelic polymers, and olefin synthesis.

    摘要翻译: 公开了在各种官能团存在下稳定并且可用于催化非限制性环状和无环烯烃上的烯烃复分解反应的钌和锇卡宾化合物。 还公开了制备卡宾化合物的方法。 卡宾化合物具有下式:其中M是Os或Ru; R1是氢; R选自氢,取代或未取代的烷基和取代或未取代的芳基; X和X 1独立地选自任何阴离子配体; L和L 1独立地选自任何中性给电子体。 本发明的钌和锇卡宾化合物可以使用重氮化合物,通过中性电子给体配体交换,通过交叉复分解,使用乙炔,使用累积的烯烃,以及使用重氮化合物和中性电子给体的一锅法合成。 本发明的钌和锇卡宾化合物可用于催化烯烃复分解反应,包括但不限于ROMP,RCM,不饱和聚合物的解聚,遥爪聚合物的合成和烯烃合成。

    IMIDAZOLIDINE-BASED METAL CARBENE METATHESIS CATALYSTS

    公开(公告)号:US20080132708A1

    公开(公告)日:2008-06-05

    申请号:US12016482

    申请日:2008-01-18

    IPC分类号: C07F15/00

    摘要: The present invention relates to novel metathesis catalysts with an imidazolidine-based ligand and to methods for making and using the same. The inventive catalysts are of the formula wherein: M is ruthenium or osmium; X and X1 are each independently an anionic ligand; L is a neutral electron donor ligand; and, R, R1, R6, R7, R8, and R9 are each independently hydrogen or a substituent selected from the group consisting of C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, aryloxy, C2-C20 alkoxycarbonyl, C1-C20 alkylthiol, aryl thiol, C1-C20 alkylsulfonyl and C1-C20 alkylsulfinyl, the substituent optionally substituted with one or more moieties selected from the group consisting of C1-C10 alkyl, C1-C10 alkoxy, aryl, and a functional group selected from the group consisting of hydroxyl, thiol, thioether, ketone, aldehyde, ester, ether, amine, imine, amide, nitro, carboxylic acid, disulfide, carbonate, isocyanate, carbodiimide, carboalkoxy, carbamate, and halogen. The inclusion of an imidazolidine ligand to the previously described ruthenium or osmium catalysts has been found to dramatically improve the properties of these complexes. The inventive catalysts maintains the functional group tolerance of previously described ruthenium complexes while having enhanced metathesis activity that compares favorably to prior art tungsten and molybdenum systems.