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
    • 2. 发明授权
    • .beta.-Lactam antibiotics
    • β-内酰胺抗生素
    • US4438114A
    • 1984-03-20
    • US415632
    • 1982-09-07
    • Michael BobergDieter HabichKarl G. MetzgerPaul Naab
    • Michael BobergDieter HabichKarl G. MetzgerPaul Naab
    • A23L29/00A23L2/44A61K31/535A61P31/04C07D505/00C07D498/04
    • C07D505/00Y02P20/55
    • A .beta.-lactam of the formula ##STR1## or a hydrate thereof, in whichR represents a hydrogen atom or a methoxy group,n is 1 or 2,Z represents a group of the formula ##STR2## wherein R.sup.1 denotes an optionally substituted aryl group or an optionally substituted heterocyclyl group;or, when n is 1,Z can also represent an optionally substituted cycloalkyl group or an optionally substituted pseudoaromatic heterocyclic 5-membered or 6-membered ring,B represents an optionally substituted phenyl or cyclohexadienyl group, or an unsaturated optionally subtituted heterocyclic ring,T denotes an alkyl--CO--O--, pyridinium, aminopyridinium, carbamoylpyridinium or carbamoyloxy group, an --S--phenyl group which can be substituted, or an --S--Het group in which Het represents an optionally substituted heterocyclic 5-membered or 6-membered ring; andE represents a hydrogen atom, a pharmaceutically acceptable ester grouping a salt-forming cation or a protective group, or represents a negative charge when T contains a quaternary nitrogen,which possesses antibacterial activity rendering it useful as an antibiotic and animal feed supplement.
    • 其中R表示氢原子或甲氧基,其中n表示1或2,Z表示下式的基团:其中R 1,R 2,R 3, 表示任选取代的芳基或任选取代的杂环基; 或者当n为1时,Z还可以表示任选取代的环烷基或任选取代的假芳香杂环5元或6元环,B表示任选取代的苯基或环己二烯基,或不饱和任选取代的杂环,T 表示烷基-CO-O-,吡啶鎓,氨基吡啶鎓,氨基甲酰基吡啶鎓或氨基甲酰氧基,可被取代的-S-苯基或其中Het表示任选取代的杂环5元或6-元烷基的-S-Het基团, 元环 并且E表示氢原子,成盐阳离子或保护基的药学上可接受的酯基,或当T含有季氮时具有负电荷,其具有抗菌活性,使其可用作抗生素和动物饲料添加剂。