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    • 1. 发明授权
    • Benzamide derivatives as thrombin inhibitors
    • 苯甲酰胺衍生物作为凝血酶抑制剂
    • US06326386B1
    • 2001-12-04
    • US09678610
    • 2000-10-04
    • Nigel Stephen WatsonMartin PassVipulkumar Patel
    • Nigel Stephen WatsonMartin PassVipulkumar Patel
    • C07D21302
    • C07D213/74A61K31/4409A61K31/4439C07D401/12C07D405/12C07D417/12
    • The invention relates to a novel class of amide derivatives which act as thrombin inhibitors as described by formula (I), where R1 and R2, independently represent a group (a) or R1 and R2 together form a C3-7 heterocycloalkyl or heterocycloalkenyl group which may be optionally substituted by C1-6 alkyl, C1-4 alkoxy, halogen, carboxylic acid or a C1-4 carboxylic acid ester group; R3 represents hydrogen, C1-3 alkyl, halogen, or C1-2 alkoxy; R4, R5 and R6 independently represent hydrogen, or halogen; R7 represents hydrogen or C1-6 alkyl; R8 represents hydrogen, C3-7 cycloalkyl, C3-7 cycloalkenyl, C3-7 heterocycloalkyl, C3-7 heterocycloalkenyl, aryl or heteroaryl, which groups are optionally substituted by one or more groups selected from halogen, hydroxy, CN, C1-6 alkyl, C1-6 alkoxy, C1-6 acyloxy, NR9R10, NHCOR11, NHSO2R12, COR13, CO2R14, CONR15R16, and SO2NHR17; X represents a bond, a C1-6 alkyl chain, or a C3-6 alkenyl chain, where one or two nitrogen, oxygen, or sulfur atoms may be optionally contained within each chain, and the chains are optionally substituted by one or more groups selected from halogen, hydroxy, CN, C1-6 alkyl, C1-6 alkoxy, C1-6 acyloxy, NR9R10, NHCOR11, NHSO2R12, COR13, CO2R14, CONR15R16, and SO2NHR17; R9-R17 represent hydrogen, C1-6 alkyl, or R9 and R10 or R15 and R16 form a C3-7 heterocycloalkyl ring, or R12 additionally may represent trifluoromethyl; and pharmaceutically acceptable derivatives or solvates thereof, to processes for their preparation; and their use in the treatment of clinical conditions susceptible to amelioration by administration of a thrombin inhibitor.
    • 本发明涉及作为如式(I)所述的凝血酶抑制剂的新一类酰胺衍生物,其中R 1和R 2独立地表示基团(a)或R 1和R 2一起形成C 3-7杂环烷基或杂环烯基,其中 可以任选地被C 1-6烷基,C 1-4烷氧基,卤素,羧酸或C 1-4羧酸酯基取代; R 3表示氢,C 1-3烷基,卤素或C 1-2烷氧基; R4,R5和R6独立地表示氢或卤素; R 7表示氢或C 1-6烷基; R8表示氢,C3-7环烷基,C3-7环烯基,C3-7杂环烷基,C3-7杂链烯基,芳基或杂芳基,这些基团任选被一个或多个选自卤素,羟基,CN,C 1-6烷基的基团取代 ,C 1-6烷氧基,C 1-6酰氧基,NR 9 R 10,NHCOR 11,NHSO 2 R 12,COR 13,CO 2 R 14,CONR 15 R 16和SO 2 NHR 17; X表示键,C 1-6烷基链或C 3-6烯基链,其中每个链中可任选地含有一个或两个氮,氧或硫原子,并且该链任选被一个或多个基团取代 选自卤素,羟基,CN,C 1-6烷基,C 1-6烷氧基,C 1-6酰氧基,NR 9 R 10,NHCOR 11,NHSO 2 R 12,COR 13,CO 2 R 14,CONR 15 R 16和SO 2 NHR 17; R9-R17表示氢,C1-6烷基或R9,R10或R15和R16形成C
    • 3. 发明授权
    • Offset launch mode from nanotaper waveguide into multimode fiber
    • 从纳米孔波导到多模光纤的偏移发射模式
    • US07706644B2
    • 2010-04-27
    • US12218367
    • 2008-07-15
    • Mark WebsterPrakash GothoskarVipulkumar PatelDavid Piede
    • Mark WebsterPrakash GothoskarVipulkumar PatelDavid Piede
    • G02B6/26
    • G02B6/30G02B6/3598G02B6/3636G02B6/3652G02B6/3692G02B6/4249
    • One or more nanotaper coupling waveguides formed within an optical substrate allows for straightforward, reproducible offset launch conditions to be achieved between an incoming signal and the core region of a multimode fiber (which may be disposed along an alignment fixture formed in the optical substrate), fiber array or other multimode waveguiding structure. Offset launching of a single mode signal into a multimode fiber couples the signal into favorable spatial modes which reduce the presence of differential mode dispersion along the fiber. This approach to providing single mode signal coupling into legacy multimode fiber is considered to be an improvement over the prior art which required the use of an interface element between a single mode fiber and multimode fiber, limiting the number of propagating signals and applications for the legacy multimode fiber. An optical switch may be used to select the specific nanotaper(s) for coupling into the multimode fiber.
    • 形成在光学衬底内的一个或多个纳米锥耦合波导允许在多模光纤(其可以沿着形成在光学衬底中的对准夹具设置)的入射信号和芯区域之间实现简单,可再现的偏移发射条件, 光纤阵列或其他多模波导结构。 偏移将单模信号发射到多模光纤中将信号耦合到有利的空间模式,这降低了沿着光纤的差分色散的存在。 将单模信号耦合提供给传统多模光纤的这种方法被认为是对需要使用单模光纤和多模光纤之间的接口元件的现有技术的改进,限制了传播信号的数量和遗留的应用 多模光纤 可以使用光学开关来选择用于耦合到多模光纤的特定纳米锥。