3-Unsubstituted-3-cephem compounds
    21.
    发明授权
    3-Unsubstituted-3-cephem compounds 失效
    3-取代-3-头孢烯化合物

    公开(公告)号:US4254119A

    公开(公告)日:1981-03-03

    申请号:US74811

    申请日:1979-09-11

    CPC分类号: C07D277/587 Y02P20/55

    摘要: Antibacterial compounds represented by the following formula including their pharmaceutically acceptable salts and esters; process for preparing them; pharmaceutical preparation comprising them; and method for combating infections by administering them: ##STR1## (wherein Hal is halogen;R.sup.1 is hydrogen or an amino-protecting group;R.sup.2 is alkyl; andR.sup.3 is hydrogen or a carboxy-protecting group.)

    摘要翻译: 由下式表示的抗菌化合物包括其药学上可接受的盐和酯; 准备工作的过程; 包含它们的药物制剂; 以及通过施用它们来对抗感染的方法:其中Hal是卤素; R1是氢或氨基保护基; R2是烷基; R3是氢或羧基保护基。

    5-Fluorouracil derivatives
    29.
    发明授权
    5-Fluorouracil derivatives 失效
    5-氟尿嘧啶衍生物

    公开(公告)号:US4394505A

    公开(公告)日:1983-07-19

    申请号:US369110

    申请日:1982-04-16

    摘要: Novel 5-fluorouracil derivatives of the following general formula ##STR1## wherein R.sup.1 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.6 -C.sub.10 aryl, C.sub.7 -C.sub.10 aralkyl, C.sub.1 -C.sub.12 alkanoyl, C.sub.2 -C.sub.6 alkoxycarbonyl, C.sub.1 -C.sub.5 alkanoyloxymethyl, carbamoyl or tri-C.sub.1 -C.sub.5 alkylsilyl;R.sup.2 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.6 -C.sub.10 aryl or C.sub.7 -C.sub.10 aralkyl;X is hydrogen, halogen or C.sub.2 -C.sub.6 alkoxycarbonyl;Y is O, NR' (R' is hydrogen or C.sub.1 -C.sub.5 alkyl), S, SO or SO.sub.2 ; andn is an integer of 1-3.which are orally administrable anti-tumor agents.

    摘要翻译: 新的5-氟尿嘧啶衍生物,其通式如下:其中R1是氢,C1-C5烷基,C6-C10芳基,C7-C10芳烷基,C1-C12烷酰基,C2-C6烷氧基羰基,C1-C5烷酰氧基甲基,氨基甲酰基或三C1-C5烷基甲硅烷基 ; R2是氢,C1-C5烷基,C6-C10芳基或C7-C10芳烷基; X是氢,卤素或C 2 -C 6烷氧基羰基; Y是O,NR'(R'是氢或C 1 -C 5烷基),S,SO或SO 2; n为1-3的整数。 其是口服给药的抗肿瘤剂。