4-thia-1-azabicyclo(3.2.0)heptane-3-imino-2-isopropylidene-7-oxo analogons of beta-lactams, processes for their preparation and the use thereof
申请人:PLIVA farmaceutska, kemijska, prehrambena
i kozmeticka industrija dionicko drustvo
公开号:EP0796857A1
公开(公告)日:1997-09-24
The object of the present invention are 4-thia-1-azabicyclo[3.2.0]heptane-3-imino-2-isopropylidene-7-oxo beta-lactamic analogons of general formula I
wherein the radicals have the following meanings:
R1 is hydrogen or halogen,
R2 is hydrogen, halogen, phtalimide,
R3 is hydrogen, alkyl, benzyl, heterocycle e.g. isoxazole, pyrazole etc.
These compounds are useful as intermediates in the preparation of novel beta-lactamic analogons or of active substances in preparations for antimicrobial therapy.
本发明的对象是通式I的4-硫代-1-氮杂双环[3.2.0]庚烷-3-亚胺-2-异丙基-7-氧代β-内酰胺类似物,其中基团具有以下含义:R1是氢或卤素,R2是氢、卤素、邻苯二甲酰亚胺,R3是氢、烷基、苄基、杂环,例如异噁唑、吡唑等。这些化合物在制备新型β-内酰胺类似物或用于抗微生物治疗制剂中的活性物质的中间体方面是有用的。