Novel penicillins and their preparation
    83.
    发明授权
    Novel penicillins and their preparation 失效
    新青霉素及其制备

    公开(公告)号:US4003887A

    公开(公告)日:1977-01-18

    申请号:US609982

    申请日:1975-09-03

    IPC分类号: C07D499/00 C07D499/68

    CPC分类号: C07D499/00

    摘要: Novel penicillins of the formula: ##STR1## wherein the ring A is a benzene ring or a 5 or 6-membered heteroaromatic ring containing one or two nitrogen atoms as the hetero atom, on which one or more of lower alkyl, lower alkoxy, lower alkylthio, lower haloalkyl, lower alkylenedioxy halogen, hydroxyl, nitro, free or protected amino, lower alkylamino, di(lower)alkylamino and lower alkanoylamino may be present, Z is a nitrogen atom or a methylene group, X is an oxygen atom or a sulfur atom, Y is a hydrogen atom, a lower alkoxycarbonyl group or a lower alkanoyl group, R.sub.1 is a free or protected hydroxyl group and R.sub.2 and R.sub.3 are each a hydrogen atom or a halogen atom, and their non-toxic pharmaceutically acceptable salts, and their preparation.

    摘要翻译: 新颖的下列青霉素: 其中环A是苯环或含有一个或两个氮原子作为杂原子的5或6元杂芳环,其中一个或多个低级烷基,低级 烷氧基,低级烷硫基,低级卤代烷基,低级亚烷基二氧基卤素,羟基,硝基,游离或被保护的氨基,低级烷基氨基,二(低级)烷基氨基和低级烷酰基氨基,Z是氮原子或亚甲基,X是氧 原子或硫原子,Y为氢原子,低级烷氧基羰基或低级烷酰基,R1为游离或保护的羟基,R2和R3各自为氢原子或卤素原子,其无毒性 可接受的盐及其制备方法。