2-alkynyladenosines as antihypertensive agents
    1.
    发明授权
    2-alkynyladenosines as antihypertensive agents 失效
    2-炔基腺苷作为抗高血压药

    公开(公告)号:US4956345A

    公开(公告)日:1990-09-11

    申请号:US282892

    申请日:1988-12-12

    CPC分类号: C07H19/16

    摘要: A 2-alkynyladenosine represented by general formula [I]: ##STR1## wherein n is an integer of from 2 to 15, has been found to have excellent properties as an antihypertensive agent. On the basis of this finding, the present invention has provided an antihypertensive agent comprising an antihypertensive effective amount of a compound of the above formula [I] and a pharmaceutically acceptable carrier. The present invention also discloses a novel compound 2-alkynyladenosine of formula [I] shown above wherein n is 6 to 15.

    摘要翻译: 由通式[I]表示的2-炔基腺苷:其中n为2〜15的整数,已被发现具有作为抗高血压剂的优异的性质。 基于该发现,本发明提供了包含抗高血压有效量的上述式[I]的化合物和药学上可接受的载体的抗高血压药。 本发明还公开了上述式[I]的新化合物2-炔基腺苷,其中n为6至15。

    Tri-O-acetyl-2-alkynyladenosines
    3.
    发明授权
    Tri-O-acetyl-2-alkynyladenosines 失效
    三-O-乙酰基-2- alkynyladenosines

    公开(公告)号:US5283327A

    公开(公告)日:1994-02-01

    申请号:US655354

    申请日:1991-04-17

    IPC分类号: C07H19/16 C07H19/167

    CPC分类号: C07H19/16 Y02P20/55

    摘要: The present invention relates to a novel compound represented by the following formula [I] which is useful as a synthetic intermediate of a 2-alkynyladenosine.The present invention also relates to a process for producing the compound and a process for producing a 2-alkynyladenosine [IV] by way of the compound.Further, the present invention relates to a 2-alkynyladenosine derivative represented by the following formula [V] having excellent storage stability and, to a method of storing the 2-alkynyladenosine in the form of that derivative. ##STR1## wherein R.sup.1 through R.sup.4 represent a hydrogen atom or a protective group, and n denotes an integer of 1 to 15, provided that R.sup.1 through R.sup.4 do not represent a hydrogen atom simultaneously.

    摘要翻译: PCT No.PCT / JP90 / 00807 Sec。 371日期:1991年4月17日 102(e)中的日期1991年4月17日提交的PCT 1990年6月20日的PCT公布。 出版物WO90 / 15812 PCT 日本1990年12月27日。本发明涉及可用作2-炔基腺苷合成中间体的下式(I)表示的新化合物。 本发明还涉及该化合物的制备方法和通过该化合物制备2-炔基腺苷(Ⅳ)的方法。 此外,本发明涉及具有优异储存稳定性的下式(V)表示的2-链炔基腺苷衍生物,以及以该衍生物的形式存储2-炔基腺苷的方法。 (*化学结构*)(*化学结构*)其中R1至R4表示氢原子或保护基,n表示1至15的整数,条件是R1至R4同时不表示氢原子。

    Process for preparing synthetic intermediates of 2-alkynyladenosines and
2-alkynyladenosines
    4.
    发明授权
    Process for preparing synthetic intermediates of 2-alkynyladenosines and 2-alkynyladenosines 失效
    制备2-炔基腺苷和2-炔基腺苷合成中间体的方法

    公开(公告)号:US5459254A

    公开(公告)日:1995-10-17

    申请号:US149943

    申请日:1993-11-10

    IPC分类号: C07H19/16 C07H19/067

    CPC分类号: C07H19/16 Y02P20/55

    摘要: The present invention relates to a novel compound represented by the following formula [I] which is useful as a synthetic intermediate of a 2-alkynyladenosine.The present invention also relates to a process for producing the compound and a process for producing a 2-alkynyladenosine [IV] by way of the compound.Further, the present invention relates to a 2-alkynyladenosine derivative represented by the following formula [V] having excellent storage stability and, to a method of storing the 2-alkynyladenosine in the form of that derivative. ##STR1## [I] A=a leaving group, [II] A=NH.sub.2,[V] A=NHR.sup.4,wherein R.sup.1 through R.sup.4 represent a hydrogen atom or a protective group, and n denotes an integer of 1 to 15, provided that R.sup.1 through R.sup.4 do not represent a hydrogen atom simultaneously.

    摘要翻译: 本发明涉及可用作2-炔基腺苷合成中间体的下式[I]表示的新型化合物。 本发明还涉及该化合物的制备方法和通过该化合物制备2-炔基腺苷[Ⅳ]的方法。 此外,本发明涉及具有优异的储存稳定性的由下式[V]表示的2-炔基腺苷衍生物,以及以该衍生物的形式存储2-炔基腺苷的方法。 [I] A =离去基团,[II] A = NH 2,[V] A = NHR 4,其中R 1至R 4表示氢原子或保护基,n表示1至15的整数, R1至R4同时不表示氢原子。

    2'-alkylidenepyrimidine nucleoside derivatives, process for production
thereof, and uses thereof
    5.
    发明授权
    2'-alkylidenepyrimidine nucleoside derivatives, process for production thereof, and uses thereof 失效
    2'-亚基亚嘧啶核苷衍生物,其制备方法及其用途

    公开(公告)号:US5430139A

    公开(公告)日:1995-07-04

    申请号:US125839

    申请日:1993-09-24

    IPC分类号: C07H19/06

    CPC分类号: C07H19/06 Y02P20/55

    摘要: Disclosed are novel 2'-alkylidenepyrimidine nucleoside derivatives represented by formula [I]: ##STR1## R.sup.1 is an amino group or a hydroxy group, R.sup.2 is a hydrogen atom, a halogen atom or a lower alkyl group, R.sup.3 is a hydrogen atom or a lower alkyl group, and R.sup.4 is a hydrogen atom or a phosphate residue, or salts thereof. These novel compounds can be produced from uridine or cytidine derivatives by alkylidenating the 2'-position in the sugar moiety thereof with Wittig's reagent. Furthermore, the compounds have remarkable antiviral activities and therefore can provide novel antiviral agents.

    摘要翻译: 公开了由式[I]表示的新的2'-亚烷基嘧啶核苷衍生物:其中R 1为氨基或羟基,R 2为氢原子,卤素原子或低级烷基,R 3为 氢原子或低级烷基,R4为氢原子或磷酸酯残基,或其盐。 这些新化合物可以由尿苷或胞苷衍生物通过用Wittig's试剂将其部分上的2'-位进行亚烷基化来制备。 此外,化合物具有显着的抗病毒活性,因此可以提供新的抗病毒剂。

    2'-alkylidenepyrimidine nucleoside compounds and a process for
production of same
    6.
    发明授权
    2'-alkylidenepyrimidine nucleoside compounds and a process for production of same 失效
    2'-亚苄基嘧啶核苷化合物及其制备方法

    公开(公告)号:US5300636A

    公开(公告)日:1994-04-05

    申请号:US721828

    申请日:1991-06-26

    IPC分类号: C07H19/06

    CPC分类号: C07H19/06 Y02P20/55

    摘要: Disclosed are novel 2'-alkylidenepyrimidine nucleoside derivatives represented by formula [I]: ##STR1## wherein R.sup.1 is an amino group or a hydroxy group, R.sup.2 is a hydrogen atom, a halogen atom or a lower alkyl group, R.sup.3 is a hydrogen atom or a lower alkyl group, and R.sup.4 is a hydrogen atom or a phosphate residue, or salts thereof.These novel compounds can be produced from uridine or cytidine derivatives by alkylidenating the 2'-position in the sugar moiety thereof with Wittig's reagent.Furthermore, the compounds have remarkable antiviral activities and therefore can provide novel antiviral agents.

    摘要翻译: 公开了由式[I]表示的新颖的2'-亚烷基嘧啶核苷衍生物:其中R1是氨基或羟基,R2是氢原子,卤素原子或低级烷基,R3是 氢原子或低级烷基,R 4为氢原子或磷酸酯残基,或其盐。 这些新化合物可以由尿苷或胞苷衍生物通过用Wittig's试剂将其部分上的2'-位进行亚烷基化来制备。 此外,化合物具有显着的抗病毒活性,因此可以提供新的抗病毒剂。

    2'-alkylidenepyrimidine nucleoside derivatives, process for production
thereof, and uses thereof
    7.
    发明授权
    2'-alkylidenepyrimidine nucleoside derivatives, process for production thereof, and uses thereof 失效
    2'-亚基亚嘧啶核苷衍生物,其制备方法及其用途

    公开(公告)号:US5047520A

    公开(公告)日:1991-09-10

    申请号:US295948

    申请日:1988-11-18

    IPC分类号: C07H19/06

    CPC分类号: C07H19/06 Y02P20/55

    摘要: Disclosed are novel 2'-alkylidenepyrimidine nucleoside derivatives represented by formula [I]: ##STR1## wherein R.sup.1 is an amino gorup or a hydroxy group, R.sup.2 is a hydrogen atom, a halogen atom or a lower alkyl group, R.sup.3 is a hydrogen atom or a lower alkyl group, and R.sup.4 is a hydrogen atom or a phosphate residue, or salts thereof.These novel compounds can be produced from uridine or cytidine derivatives by alkylidenating the 2'-position in the sugar moiety thereof with Wittig's reagent.Furthermore, the compounds have remarkable antiviral activities and therefore can provide novel antiviral agents.

    摘要翻译: PCT No.PCT / JP88 / 00278 Sec。 371日期1988年11月18日 102(e)1988年11月18日日期PCT提交1988年3月17日PCT公布。 出版物WO88 / 07049 日期:1988年9月22日。公开的是由式[I]表示的新颖的2'-亚烷基嘧啶核苷衍生物:其中R1是氨基酸或羟基,R2是氢原子,卤素原子或 低级烷基,R3为氢原子或低级烷基,R4为氢原子或磷酸酯基,或其盐。 这些新化合物可以由尿苷或胞苷衍生物通过用Wittig's试剂将其部分上的2'-位进行亚烷基化来制备。 此外,化合物具有显着的抗病毒活性,因此可以提供新的抗病毒剂。

    VIEWING-ANGLE-ENHANCING FILM FOR LIQUID CRYSTAL DISPLAY DEVICE, PROTECTIVE FILM WITH VIEWING-ANGLE-ENHANCING-FUNCTION, AND LIQUID CRYSTAL DISPLAY DEVICE
    9.
    发明申请
    VIEWING-ANGLE-ENHANCING FILM FOR LIQUID CRYSTAL DISPLAY DEVICE, PROTECTIVE FILM WITH VIEWING-ANGLE-ENHANCING-FUNCTION, AND LIQUID CRYSTAL DISPLAY DEVICE 有权
    用于液晶显示装置的观察角增强膜,具有角度增强功能的保护膜和液晶显示装置

    公开(公告)号:US20120176573A1

    公开(公告)日:2012-07-12

    申请号:US13497482

    申请日:2010-10-13

    摘要: To provide a viewing-angle-enhancing film which is set in a liquid crystal display device at a position nearer to an observer than the position of a liquid crystal layer in the device, and which attains, at a high level, the compatibility of being enhanced in viewing angle with a decrease in the darkening of images at the time of observing the screen from the front thereof. A viewing-angle-enhancing film which is set in a liquid crystal display device at a position nearer to an observer than the position of a liquid crystal layer in the device, and simultaneously satisfies the following requirements (1) to (3): (1) the film has a parallel ray transmittance of 5 to 90%; (2) the film has a diffusivity (A) of 1 to 20 degrees in its main diffusion direction; and (3) the film has a diffusivity ratio of 0.25 to 15% in the main diffusion direction.

    摘要翻译: 为了提供一种视角增强膜,其设置在液晶显示装置中比装置中的液晶层的位置更靠近观察者的位置,并且高水平地实现了 在从其前方观察屏幕时图像的变暗减小而观看角度增强。 在液晶显示装置中,在比装置中的液晶层位置更靠近观察者的位置设置可视角增强膜,同时满足以下要求(1)〜(3):( 1)膜的平行光线透射率为5〜90%; (2)膜的主扩散方向的扩散度(A)为1〜20度; (3)膜的主扩散方向的扩散率为0.25〜15%。