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    • 4. 发明授权
    • Benzodiazepine derivatives for treating hepatitis C infection
    • US08039616B2
    • 2011-10-18
    • US12067318
    • 2005-09-19
    • Helena DennisonJustin WarneKeith SpencerGeorge CockerillJames Lumley
    • Helena DennisonJustin WarneKeith SpencerGeorge CockerillJames Lumley
    • C07D243/12A61K31/55
    • C07D243/24A61K31/5513
    • Use of a benzodiazepine of formula (I), or a pharmaceutically acceptable salt thereof, in the manufacture of a medicament for use in treating or preventing a hepatitis C infection, wherein: —R1 represents C1-6 alkyl, aryl or heteroaryl; —R2 represents hydrogen or C1-6 alkyl; —each R3 is the same or different and represents halogen, hydroxy, C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, C1-6 haloalkyl, C1-6 haloalkoxy, amino, mono(C1-6 alkyl)amino, di(C1-6 alkyl)amino, nitro, cyano, —CO2R′, —CONR′R″, —NH—CO—R′, —S(O)R′, —S(O)2R′, —NH—S(O)2R′, —S(O)NR′R″ or —S(O)2NR′R″, wherein each R′ and R″ is the same or different and represents hydrogen or C1-6 alkyl; —n is from 0 to 3; —R4 represents hydrogen or C1-6 alkyl; —R5 represents C1-6alkyl, aryl, heteroaryl, carbocyclyl, heterocyclyl, aryl-(C1-6 alkyl)-, heteroaryl-(C1-6 alkyl)-, carbocyclyl-(C1-6 alkyl)-, heterocyclyl-(C1-6 alkyl)-, aryl-(C1-6 hydroxyalkyl)-, heteroaryl-(C1-6hydroxyalkyl)-, carbocyclyl-(C1-6 hydroxyalkyl)-, heterocyclyl-(C1-6hydroxyalkyl)-, aryl-C(O)—C(O)—, heteroaryl-C(O)—C(O)—, carbocyclyl-C(O)—C(O)—, heterocyclyl-C(O)—C(O)— or —XR6; —X represents —CO—, —S(O)— or —S(O)2—; and —R6 represents C1-6 alkyl, hydroxy, C1-6 alkoxy, C1-6 alkylthio, aryl, heteroaryl, carbocyclyl, heterocyclyl, aryl-(C1-6 alkyl)-, heteroaryl-(C1-6 alkyl)-, carbocyclyl-(C1-6 alkyl)-, heterocyclyl-(C1-6 alkyl)-, aryl-(C1-6 alkyl)-O—, heteroaryl-(C1-6 alkyl)-O—, carbocyclyl-(C1-6 alkyl)-O—, heterocyclyl-(C1-6 alkyl)-O— or —NR′R″ wherein each R′ and R″ is the same or different and represents hydrogen, C1-6 alkyl, carbocyclyl, heterocyclyl, aryl, heteroaryl, aryl-(C1-6 alkyl)-, heteroaryl-(C1-6 alkyl)-, carbocyclyl-(C1-6 alkyl)- or heterocyclyl-(C1-6 alkyl)-.
    • 5. 发明申请
    • BENZODIAZEPINE DERIVATIVES FOR TREATING HEPATITIS C INFECTION
    • US20090318427A1
    • 2009-12-24
    • US12067318
    • 2005-09-19
    • Helena DennisonJustin WarneKeith SpencerGeorge CockerillJames Lumley
    • Helena DennisonJustin WarneKeith SpencerGeorge CockerillJames Lumley
    • A61K31/5513A61P31/12C07D243/24
    • C07D243/24A61K31/5513
    • Use of a benzodiazepine of formula (I), or a pharmaceutically acceptable salt thereof, in the manufacture of a medicament for use in treating or preventing a hepatitis C infection, wherein: —R1 represents C1-6 alkyl, aryl or heteroaryl; —R2 represents hydrogen or C1-6 alkyl; —each R3 is the same or different and represents halogen, hydroxy, C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, C1-6 haloalkyl, C1-6 haloalkoxy, amino, mono(C1-6 alkyl)amino, di(C1-6 alkyl)amino, nitro, cyano, —CO2R′, —CONR′R″, —NH—C0-R′, —S(O)R′, —S(O)2R′, —NH—S(O)2R′, —S(O)NR′R″ or —S(O)2NR′R″, wherein each R′ and R″ is the same or different and represents hydrogen or C1-6 alkyl; —n is from 0 to 3; —R4 represents hydrogen or C1-6 alkyl; —R5 represents C1-6alkyl, aryl, heteroaryl, carbocyclyl, heterocyclyl, aryl-(C1-6 alkyl)-, heteroaryl-(C1-6 alkyl)-, carbocyclyl-(C1-6 alkyl)-, heterocyclyl-(C1-6 alkyl)-, aryl-(C1-6 hydroxyalkyl)-, heteroaryl-(C1-6hydroxyalkyl)-, carbocyclyl-(C1-6 hydroxyalkyl)-, heterocyclyl-(C1-6hydroxyalkyl)-, aryl-C(O)—C(O)—, heteroaryl-C(O)—C(O)—, carbocyclyl-C(O)—C(O)—, heterocyclyl-C(O)—C(O)— or —XR6; —X represents —CO—, —S(O)— or —S(O)2—; and —R6 represents C1-6 alkyl, hydroxy, C1-6 alkoxy, C1-6 alkylthio, aryl, heteroaryl, carbocyclyl, heterocyclyl, aryl-(C1-6 alkyl)-, heteroaryl-(C1-6 alkyl)-, carbocyclyl-(C1-6 alkyl)-, heterocyclyl-(C1-6 alkyl)-, aryl-(C1-6 alkyl)-O—, heteroaryl-(C1-6 alkyl)-O—, carbocyclyl-(C1-6 alkyl)-O—, heterocyclyl-(C1-6 alkyl)-O— or —NR′R″ wherein each R′ and R″ is the same or different and represents hydrogen, C1-6 alkyl, carbocyclyl, heterocyclyl, aryl, heteroaryl, aryl-(C1-6 alkyl)-, heteroaryl-(C1-6 alkyl)-, carbocyclyl-(C1-6 alkyl)- or heterocyclyl-(C1-6 alkyl)-.
    • 6. 发明申请
    • FULL FUNCTION PRECISION WELDING SYSTEM
    • 全功能精密焊接系统
    • US20070297556A1
    • 2007-12-27
    • US11752733
    • 2007-05-23
    • Keith SpencerBradley Powell
    • Keith SpencerBradley Powell
    • G21C17/00
    • G21C17/017B23K9/0286B23K2101/06
    • A welding system for performing a welding process on a pipe in a confined space includes a motor housing, a weld head assembly and an insertion tube that extends between the motor housing and the weld head assembly with the weld head assembly remote from the motor housing. The motor housing is supported on a platform for rotational and translational movement of the weld head assembly and houses a motor for positioning the weld head assembly relative to the pipe. The weld head assembly includes a clamp assembly for attaching the weld head assembly to the pipe and a weld tool assembly mounted adjacent the clamp assembly for welding the pipe. An arc length gear and a travel gear adjust the distance between a torch assembly and the pipe and adjust the location of the torch assembly around the pipe when the weld head assembly is attached to the pipe.
    • 用于在密闭空间中的管子上执行焊接过程的焊接系统包括马达壳体,焊接头组件和插入管,其在马达壳体和焊接头组件之间延伸,焊头组件远离马达壳体。 电动机壳体支撑在用于焊头组件的旋转和平移运动的平台上,并且容纳用于相对于管定位焊头组件的电动机。 焊头组件包括用于将焊接头组件附接到管道的夹具组件和邻近夹具组件安装以焊接管道的焊接工具组件。 电弧长度齿轮和行走齿轮调节焊枪组件和管道之间的距离,并且当焊头组件附接到管道时调整焊枪组件在管道周围的位置。