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59 条记录 (耗时 0.037 秒)

    Ruthenium-I0D0-optically active phosphine complex
    51.
    发明授权
    Ruthenium-I0D0-optically active phosphine complex 失效
    钌-I0D0-光学活性膦配合物

    公开(公告)号：US6043380A

    公开(公告)日：2000-03-28

    申请号：US307750

    申请日：1999-05-10

    申请人： Yoshiki Okeda ,  Tsutomu Hashimoto ,  Yoji Hori ,  Toshimitsu Hagiwara

    发明人： Yoshiki Okeda ,  Tsutomu Hashimoto ,  Yoji Hori ,  Toshimitsu Hagiwara

    IPC分类号： B01J31/24 ,  C07D315/00 ,  C07F15/00 ,  C07F9/02 ,  C07D305/00

    CPC分类号： B01J31/2409 ,  B01J31/2452 ,  B01J31/2457 ,  C07D315/00 ,  C07F15/0053 ,  B01J2231/645 ,  B01J2531/0266 ,  B01J2531/821

    摘要： This invention is concerned with a ruthenium-iodo-optically active bidentate phosphine complex of the formula (I):[Ru--(I).sub.q --(T.sup.1).sub.n (SOL).sub.r (L)].sub.m (T.sup.2).sub.p (I).sub.s (I)wherein T.sup.1 represents a carboxylic acid anion, SOL represents a polar solvent, L represents an optically active bidentate phosphine ligand, T.sup.2 represents an anion different from halogen atom anions and carboxylic acid anions, n denotes 0 or 1, r denotes 0, 3 or 4, m denotes 1 or 2, q denotes 0 or 1, or where m is 2, q may represent 1 or 1.5, p denotes 0 or 1, and s denotes 0, 1 or 2 is prepared. Said phosphine complex is usefull as an efficient catalyst for asymmetrically hydrogenating 4-methylene-2-oxetanone into optically active 4-methyl-2-oxetanone.

    摘要翻译： 本发明涉及式（I）的钌 - 碘 - 光学活性二齿膦络合物：[Ru-（I）q-（T1）n（SOL）r（L）] m（T2）p（I） s（I）其中T1表示羧酸阴离子，SOL表示极性溶剂，L表示光学活性二齿膦配体，T2表示不同于卤素阴离子和羧酸阴离子的阴离子，n表示0或1，r表示0 3或4，m表示1或2，q表示0或1，或其中m为2，q可以表示1或1.5，p表示0或1，s表示0,1或2。 所述膦配合物可用作用于将4-亚甲基-2-氧杂环丁酮不对称氢化成光学活性的4-甲基-2-氧杂环丁酮的有效催化剂。

    Phenothiazine or phenoxazine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor
    53.
    发明授权
    Phenothiazine or phenoxazine derivative, charge-transporting material comprising the same, and electrophotographic photoreceptor 失效
    吩噻嗪或吩恶嗪衍生物，包含它们的电荷输送材料和电子照相感光体

    公开(公告)号：US5942615A

    公开(公告)日：1999-08-24

    申请号：US909937

    申请日：1997-08-12

    申请人： Tohru Kobayashi ,  Yoshimasa Matsushima ,  Hiroshi Sugiyama ,  Toshimitsu Hagiwara

    发明人： Tohru Kobayashi ,  Yoshimasa Matsushima ,  Hiroshi Sugiyama ,  Toshimitsu Hagiwara

    IPC分类号： C07D265/38 ,  C07D279/22 ,  G03G5/06 ,  C07D279/24

    CPC分类号： C07D279/22 ,  C07D265/38 ,  G03G5/0631

    摘要： A phenothiazine or phenoxazine derivative represented by the following general formula (1), a charge-transporting material comprising the derivative, and an electrophotographic photoreceptor containing the charge-transporting material are disclosed. The charge-transporting material has good solubility in binder polymers, satisfactory sensitivity, and a low residual potential In general formula (1) Ar.sup.1 and Ar.sup.2 may be the same or different and each represents an optionally substituted aryl group; R.sup.1 and R.sup.2 may be the same or different and each represents a hydrogen atom, a lower alkyl group, or an optionally substituted aryl group; R.sup.3 represents a lower alkyl group, an alicyclic hydrocarbon group having 5 to 7 carbon atoms, an optionally substituted aryl group, or an optionally substituted aralkyl group; X represents a sulfur atom or an oxygen atom; and n and m each represents an integer of 0 or 1.

    摘要翻译： 公开了由以下通式（1）表示的吩噻嗪或吩恶嗪衍生物，包含该衍生物的电荷输送材料和含有电荷输送材料的电子照相感光体。 电荷输送材料在粘合剂聚合物中具有良好的溶解性，令人满意的灵敏度和低的残余电位。通式（1）Ar 1和Ar 2可以相同或不同，表示任选取代的芳基; R 1和R 2可以相同或不同，各自表示氢原子，低级烷基或任意取代的芳基; R3表示低级烷基，碳原子数5〜7的脂环族烃基，可以具有取代基的芳基或任意取代的芳烷基; X表示硫原子或氧原子; n和m各自表示0或1的整数。

    Carbazole derivative charge transporting material using the same and electrophotographic photoreceptor
    55.
    发明授权
    Carbazole derivative charge transporting material using the same and electrophotographic photoreceptor 失效
    咔唑衍生物电荷输送物质及电子照相感光体

    公开(公告)号：US5736284A

    公开(公告)日：1998-04-07

    申请号：US839594

    申请日：1997-04-15

    申请人： Tohru Kobayashi ,  Yoshimasa Matsushima ,  Hiroshi Sugiyama ,  Toshimitsu Hagiwara

    发明人： Tohru Kobayashi ,  Yoshimasa Matsushima ,  Hiroshi Sugiyama ,  Toshimitsu Hagiwara

    IPC分类号： C07D209/86 ,  G03G5/06 ,  C07D209/82

    CPC分类号： C07D209/86 ,  G03G5/0674

    摘要： A charge transporting material high in solubility in a binder polymer and having high carrier mobility is disclosed, which contains a carbazole derivative represented by the following general formula (1): ##STR1## wherein Ar.sup.1 and Ar.sup.2, which may be the same or different, each represents an aryl group which may have a substituent group; R.sup.1 and R.sup.2, which may be the same or different, each represents a lower alkyl group or an aryl group which may have a substituent group; R.sup.3 represents a lower alkyl group, an alicyclic alkyl group having 5 to 7 carbon atoms, an aryl group which may have a substituent group, or an aralkyl group which may have a substituent group; and m and n each represents an integer of 0 or 1. An electrophotographic photoreceptor containing the charge transporting material is also disclosed.

    摘要翻译： 公开了含有由下列通式（1）表示的咔唑衍生物的在粘合剂聚合物中溶解度高且载流子迁移率高的电荷输送材料：其中Ar 1和Ar 2可以相同 各自表示可以具有取代基的芳基; R 1和R 2可以相同或不同，表示可以具有取代基的低级烷基或芳基; R3表示低级烷基，具有5〜7个碳原子的脂环族烷基，可具有取代基的芳基或可具有取代基的芳烷基; m和n各自表示0或1的整数。还公开了含有电荷输送材料的电子照相感光体。

    Electrophotographic photoreceptor comprising a benzodithiafulvene derivative charge transport material
    58.
    发明授权
    Electrophotographic photoreceptor comprising a benzodithiafulvene derivative charge transport material 失效
    包含苯并二恶烯衍生物电荷转运材料的电子照相感光体

    公开(公告)号：US5229238A

    公开(公告)日：1993-07-20

    申请号：US691883

    申请日：1991-04-26

    申请人： Tohru Kobayashi ,  Yoshimasa Matsushima ,  Toshimitsu Hagiwara

    发明人： Tohru Kobayashi ,  Yoshimasa Matsushima ,  Toshimitsu Hagiwara

    IPC分类号： C07D339/06 ,  C07D409/06 ,  C07F9/6553 ,  G03G5/06

    CPC分类号： C07D409/06 ,  C07D339/06 ,  C07F9/655354 ,  G03G5/0631 ,  G03G5/067

    摘要： An electrophotographic photoreceptor is disclosed, comprising an electroconductive support having a light-sensitive layer containing a charge generating substance and a charge transporting substance, wherein said charge transporting substance is a 1,4-benzodithiafulvene derivative represented by formula (I): ##STR1## wherein R.sup.1 represents a lower alkyl group, a benzyl group, a naphthyl group, or a phenyl group which may contain a substituent; R.sup.2 represents a phenyl group which may contain a substituent or an N-alkyl-substituted carbazole group; R.sup.3 represents a hydrogen atom or a phenyl group which may contain a substituent; R.sup.4 represents a hydrogen atom, a lower alkyl group, a hydroxyl group, or an alkoxy group or an aryloxy group represented by OR.sup.5 ; R.sup.5 represents a lower alkyl group, a benzyl group, or a phenyl group which may contain a substituent; and n represents an integer of 0 or 1.

    摘要翻译： 公开了一种电子照相感光体，其包括具有含有电荷产生物质和电荷输送物质的感光层的导电载体，其中所述电荷输送物质是由式（I）表示的1,4-苯并二氧杂环戊烯衍生物： （I）其中R1表示低级烷基，苄基，萘基或可含有取代基的苯基; R2表示可以含有取代基的苯基或N-烷基取代的咔唑基; R3表示氢原子或可含有取代基的苯基; R4表示由OR5表示的氢原子，低级烷基，羟基或烷氧基或芳氧基; R5表示低级烷基，苄基或可含有取代基的苯基; n表示0或1的整数。