Cephalosporin analogs for oral use
    1.
    发明授权
    Cephalosporin analogs for oral use 失效
    头孢菌素类似物用于口服使用

    公开(公告)号:US4376770A

    公开(公告)日:1983-03-15

    申请号:US285876

    申请日:1981-07-23

    CPC分类号: C07D505/00

    摘要: 7.beta.-(2-Cyano-aliphatic acylamino)-7.alpha.-methoxy-3-heterocyclic thiomethyl-1-dethia-1-oxa-3-cephem-4-carboxylic acids and salts or pharmacologically acceptable esters generically represented by the following formula are potent antibacterials and esters are prospective oral drugs: ##STR1## (wherein A is a lower alkyl, lower alkenyl or lower alkynyl group;B is a hydrogen atom, salt forming atom, salt forming group or physiologically hydrolyzable ester group; andHet is a heterocyclic group).

    摘要翻译: 7β-(2-氰基 - 脂族酰氨基)-7α-甲氧基-3-杂环硫代甲基-1-脱氧-1-氧杂-3-头孢烯-4-羧酸和通常由下式表示的盐或药理学上可接受的酯 (其中A为低级烷基,低级烯基或低级炔基; B为氢原子,成盐原子,成盐基团或生理水解性酯基; Het为 杂环基)。

    Antibiotic siomycin A derivatives and production thereof
    4.
    发明授权
    Antibiotic siomycin A derivatives and production thereof 失效
    抗生素丝霉素A衍生物及其制备

    公开(公告)号:US3983230A

    公开(公告)日:1976-09-28

    申请号:US556411

    申请日:1975-03-07

    IPC分类号: C07G11/00

    CPC分类号: A61K36/06

    摘要: Antibiotic siomycin A derivatives produced by reaction of siomycin A with a dicarboxylic acid. The compounds have excellent characteristics, particularly in their solubility in comparison with that of siomycin A, and are useful as medicaments.

    摘要翻译: 通过硫霉素A与二羧酸反应产生的抗生素西莫霉素A衍生物。 该化合物具有优异的特性,特别是在与锡霉素A相比的溶解度方面,并且可用作药物。