Phosphine compound, complex containing the phosphine compound as ligand,
process for producing optically active aldehyde using the phosphine
compound or the complex, and 4-[(R)-1'-formylethyl]azetidin-2-one
derivatives
    22.
    发明授权
    Phosphine compound, complex containing the phosphine compound as ligand, process for producing optically active aldehyde using the phosphine compound or the complex, and 4-[(R)-1'-formylethyl]azetidin-2-one derivatives 失效
    膦化合物,含膦化合物作为配体的络合物,使用膦化合物或络合物制备旋光醛的方法,以及4 - [(R)-1'-甲酰基乙基]氮杂环丁-2-酮衍生物

    公开(公告)号:US5530150A

    公开(公告)日:1996-06-25

    申请号:US323492

    申请日:1994-10-12

    IPC分类号: C07F9/02 C07F15/00

    CPC分类号: C07F9/02 C07F15/00

    摘要: A phosphine compound represented by one of the formulas: ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, each represent a phenyl group or a phenyl group substituted with a halogen atom or a lower alkyl group or taken together form a divalent hydrocarbon group; and R.sup.3 and R.sup.4, which may be the same or different, each represent a lower alkyl group, a phenyl group or a phenyl group substituted with a halogen atom, a lower alkyl group or a lower alkoxy group or taken together form a divalent hydrocarbon group, and wherein R.sup.6 and R.sup.6' which may be the same or different, each represent a hydrogen atom, a lower alkyl group or a lower alkoxy group; R.sup.5, R.sup.5', R.sup.11 and R.sup.11' which may be the same or different, each represent a hydrogen atom, a lower alkyl group, a lower alkoxy group or a halogen atom; or a pair of R.sup.5 and R.sup.6 or a pair of R.sup.5' and R.sup.6' may form a ring; R.sup.7 and R.sup.8, which may be the same or different, each represent a phenyl group or a phenyl group substituted with a lower alkyl group, a halogen atom or a lower alkoxy group; and R.sup.9 and R.sup.10, which may be the same or different, each represent a phenyl group or a phenyl group substituted with a lower alkyl group, a lower alkoxy group or a halogen atom; or R.sup.9 and R.sup.10 may be taken together to form a divalent hydrocarbon group.

    摘要翻译: 由下式之一表示的膦化合物:其中R 1和R 2可以相同或不同,各自表示苯基或苯基(III),其中R 1和R 2可以相同或不同, 被卤素原子或低级烷基取代或一起形成二价烃基; 和可以相同或不同的R 3和R 4各自表示低级烷基,苯基或被卤素原子,低级烷基或低级烷氧基取代的苯基或一起形成二价烃基 并且其中可以相同或不同的R6和R6'各自表示氢原子,低级烷基或低级烷氧基; R5,R5',R11和R11'可以相同或不同,分别表示氢原子,低级烷基,低级烷氧基或卤素原子; 或一对R 5和R 6或一对R 5'和R 6'可以形成环; R 7和R 8可以相同或不同,表示苯基或被低级烷基,卤原子或低级烷氧基取代的苯基; 和R 9和R 10可以相同或不同,各自表示苯基或被低级烷基,低级烷氧基或卤素原子取代的苯基; 或者R 9和R 10可以一起形成二价烃基。

    Process for producing optically active carboxylic acid
    23.
    发明授权
    Process for producing optically active carboxylic acid 失效
    光学活性羧酸的制备方法

    公开(公告)号:US4962230A

    公开(公告)日:1990-10-09

    申请号:US121247

    申请日:1987-11-16

    IPC分类号: C07C51/36 C07F15/00

    CPC分类号: C07F15/0053 C07C51/36

    摘要: A process for producing an optically active carboxylic acid represented by formula (I): ##STR1## wherein R.sup.1, and R.sup.2, and R.sup.3 each represents a hydrogen atom, an alkyl group, an alkenyl group, or a phenyl or naphthyl group which may have a substituent, provided that all of R.sup.1, R.sup.2, and R.sup.3 are not simultaneously a hydrogen atom; when R.sup.1 and R.sup.2 are simultaneously a hydrogen atom, then R.sup.3 is not a methyl group; and that when R.sup.3 is a hydrogen atom, then R.sup.1 and R.sup.2 are each a group other then a hydrogen atom,is disclosed, comprising asymmetrically hydrogenating an .alpha.,.beta.-unsaturated carboxylic acid represented by formula (II): ##STR2## wherein R.sup.1, R.sup.2, and R.sup.3 are the same as defined above, in the presence of a ruthenium-optically active phosphine complex as a catalyst.According to the process of the invention, the desired optically active carboxylic acids which can be widely used as raw materials for synthesizing various useful compounds, for example, as intermediates for synthesizing physiologically active substances of natural materials and also as liquid crystal materials can be industrially advantageously produced.

    Ruthenium-phosphine complex
    27.
    发明授权
    Ruthenium-phosphine complex 失效
    钌膦络合物

    公开(公告)号:US4766225A

    公开(公告)日:1988-08-23

    申请号:US130577

    申请日:1987-12-09

    CPC分类号: C07F15/0053 C07C51/36

    摘要: A ruthenium-phosphine complex represented by formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, a methyl group, or a methoxy group; and R.sup.2 represents a lower alkyl group, a halogenated lower alkyl group, a phenyl group, or a phenyl group substituted with a lower alkyl group. The complex is inexpensive and exhibits excellent performance as a catalyst for various organic syntheses, particularly for asymmetric hydrogenation.

    摘要翻译: 由式(I)表示的钌膦络合物:其中R 1表示氢原子,甲基或甲氧基; R 2表示低级烷基,卤代低级烷基,苯基或被低级烷基取代的苯基。 该复合物是便宜的,并且作为各种有机合成的催化剂表现出优异的性能,特别是用于不对称氢化。

    Method for producing a ruthenium complex
    29.
    发明授权
    Method for producing a ruthenium complex 有权
    钌络合物的制造方法

    公开(公告)号:US07964744B2

    公开(公告)日:2011-06-21

    申请号:US12540794

    申请日:2009-08-13

    IPC分类号: C07F15/00

    CPC分类号: C07F15/0053

    摘要: Provided is a method for producing a ruthenium complex comprises the step of reacting a ruthenium compound represented by general formula (1): [RuX(L)(PP)]X  (1), wherein Ru represents a ruthenium atom; X represents a halogen atom; L represents an arene; and PP represents an optically active bisphosphine, with a carboxylate salt represented by general formula (2): R1CO2M  (2), wherein M represents a monovalent cation; and R1 represents a group selected from the group consisting of alkyl groups, haloalkyl groups, phenyl groups optionally having a substituent(s), 1-aminoalkyl groups and 1-amino-1-phenylalkyl groups, to produce a ruthenium complex represented by general formula (3): Ru(OCOR1)2(PP)  (3), wherein R1 represents the group selected from the group consisting of alkyl groups, haloalkyl groups, phenyl groups optionally having a substituent(s), 1-aminoalkyl groups and 1-amino-1-phenylalkyl groups; and PP represents the optically active bisphosphine.

    摘要翻译: 提供一种制备钌络合物的方法,包括使通式(1)表示的钌化合物:[RuX(L)(PP)] X(1),其中Ru表示钌原子; X表示卤原子; L代表芳烃; 和PP代表光学活性双膦,与通式(2)表示的羧酸盐:R1CO2M(2),其中M表示一价阳离子; 并且R 1表示选自烷基,卤代烷基,任选具有取代基的苯基,1-氨基烷基和1-氨基-1-苯基烷基的基团,以制备由通式 (3):Ru(OCOR1)2(PP)(3),其中R1表示选自烷基,卤代烷基,任选具有取代基的苯基,1-氨基烷基和1- 氨基-1-苯基烷基; PP代表光学活性双膦。