会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • .beta.-Lactam antibiotics, their preparation and use
    • β-内酰胺抗生素,其制备和使用
    • US4410533A
    • 1983-10-18
    • US345485
    • 1982-02-03
    • Roger J. PonsfordPamela BrownSteven Coulton
    • Roger J. PonsfordPamela BrownSteven Coulton
    • C07D477/00A61K31/397A61K31/505A61P31/04C07D239/46C07D477/20C07F9/568C07D487/04
    • C07D239/47C07D477/20C07F9/5683
    • The present invention provides a compound of the formula (I): ##STR1## or a pharmaceutically acceptable salt or in-vivo hydrolyzable ester thereof wherein R.sup.1 is a hydrogen atom, an .alpha.-sulphonato-oxyethyl group, an .alpha.-sulphonato-oxypropyl group or is a group CR.sup.3 R.sup.4 R.sup.5 wherein R.sup.3 is a hydrogen atom or a hydroxy group; R.sup.4 is a hydrogen atom or a C.sub.1-6 alkyl group; and R.sup.5 is a hydrogen atom or a C.sub.1-6 alkyl group, a benzyl group, a phenyl group or is joined to R.sup.4 to form together with the carbon atom to which they are joined a carbocyclic ring of 5 to 7 carbon atoms; R.sup.2 is a pyrimidinyl group substituted by one two or three groups selected from nitro, halo, amino or substituted amino, and in addition may be optionally substituted by one or two C.sub.1-6 alkyl groups as the degree of substitution permits; and x is zero or one.These compounds are antibacterial agents. Their preparation and use are described.
    • 本发明提供了式(I)化合物:其中R 1是氢原子,α-磺酰氧基乙基,α-磺酸根,或其药学上可接受的盐或体内可水解的酯 或是基团CR 3 R 4 R 5,其中R 3是氢原子或羟基; R4是氢原子或C1-6烷基; R5为氢原子或C1-6烷基,苄基,苯基或与R4结合形成与碳原子数5〜7个碳环的碳原子一起形成的基团。 R2是被一个选自硝基,卤素,氨基或取代的氨基的两个或三个基团取代的嘧啶基,并且另外可任选地被一个或两个C 1-6烷基取代,作为取代许可的程度; x为0或1。 这些化合物是抗菌剂。 描述了它们的制备和使用。