Cephem derivatives as anti-metastatic agents
    1.
    发明授权
    Cephem derivatives as anti-metastatic agents 失效
    Cephem衍生物作为抗转移剂

    公开(公告)号:US5777104A

    公开(公告)日:1998-07-07

    申请号:US392744

    申请日:1995-03-08

    IPC分类号: A61K31/545 C07D501/00

    CPC分类号: C07D501/00 A61K31/545

    摘要: The present invention relates to the use of known cephem derivatives of the formula: ##STR1## wherein n is zero, one or two; R.sup.1 is hydrogen or an organic radical, R.sup.2 represents halo or an organic radical or R.sup.1 and R.sup.2 taken together with the C-2 carbon atom of the cephem nucleus constitute a carbocyclic or heterocyclyl group; R.sup.3 represents R.sup.2 as defined above or an organic radical, R.sup.4 is either R.sup.1 or an organic group, R.sup.5 is either R.sup.1 as defined above or halo or C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio or C.sub.1 -C.sub.6 acylamino;R.sup.6 is R.sup.2 as defined above or an organic group, or a pharmaceutically acceptable salts thereof.

    摘要翻译: PCT No.PCT / EP94 / 02059 Sec。 371日期:1995年3月8日 102(e)1995年3月8日PCT PCT 1994年6月24日PCT公布。 公开号WO95 / 02603 日本1995年1月26日本发明涉及已知的头孢烯衍生物,其具有下式:IMA GE> en或有机基团,R 2表示卤素或有机基团,或者R 1和R 2与C-2碳原子一起 头孢烯核构成碳环或杂环基; R3表示如上所定义的R 2或有机基团,R 4为R 1或有机基团,R 5为如上定义的R 1或卤素或C 1 -C 6烷氧基,C 1 -C 6烷硫基或C 1 -C 6酰氨基; R6是如上定义的R2或有机基团,或其药学上可接受的盐。

    Polymer-bound paclitaxel derivatives
    6.
    发明授权
    Polymer-bound paclitaxel derivatives 失效
    聚合物结合紫杉醇衍生物

    公开(公告)号:US5362831A

    公开(公告)日:1994-11-08

    申请号:US77065

    申请日:1993-06-16

    CPC分类号: A61K47/48176 C07D305/14

    摘要: A polymer conjugate consisting essentially of: from 90 to 99.9 mol % of units represented by the formula ##STR1## from 0.1 to 5 mol % of units represented by the formula ##STR2## wherein one of R.sub.1 and R.sub.2 is a copolymer residue of the formula ##STR3## and the other one is hydrogen atom; from 0 to 9.9 mol % of units represented by the formula ##STR4## wherein R is a phenyl or t-butoxy group, R.sub.3 is H or an acetyl group, A and A.sub.1 which may be the same or different, represent a chemical single bond, an amino acid residue or peptide spacer selected from .beta. Ala, Gly, Phe-Gly, Phe-Phe-, Leu-Gly, Val-Ala, Phe-Ala, Leu-Phe, Leu-Ala, Phe-Leu-Gly, Phe-Phe-Leu, Leu-Leu-Gly, Phe-Tyr-Ala, Phe-Gly-Phe, Phe-Phe-Gly, Phe-Leu-Gly-Phe, Gly-Phe-Leu-Gly-Phe,-.beta.Ala, Phe-Gly-.beta.Ala, Phe-Phe-.beta.Ala, Leu-Gly-.beta.Ala, Val-Ala-.beta.Ala, Phe-Ala-.beta.Ala, Leu-Phe-.beta.Ala, Leu-Gly-.beta.Ala, Phe-Leu-Gly-.beta.Ala, Phe-Phe-Leu .beta.Ala, Leu-Leu-Gly-.beta.Ala, Phe-Tyr-Ala-.beta.Ala, Phe-Gly-Phe-.beta., Phe-Phe-Gly .beta.Ala, Phe-Leu-Gly-Phe-.beta.Ala or Gly-Phe-Leu-Gly-Phe-.beta.Ala. The compounds are endowed with antitumor activity and show improved water solubility and decreased toxicity in comparison with paclitaxel or its known analogs. A method for their preparation and pharmaceutical compositions containing them are also described.

    摘要翻译: 一种聚合物共轭物,其基本上由以下组成:90至99.9摩尔%的由式(IMAGE)表示的单元,为0.1至5摩尔%的由式IMA图示的单元,其中R 1和R 2之一是式 ,另一个是氢原子; 其中R是苯基或叔丁氧基,R3是H或乙酰基,A和A1可以相同或不同,表示化学单键 ,选自βAla,Gly,Phe-Gly,Phe-Phe-,Leu-Gly,Val-Ala,Phe-Ala,Leu-Phe,Leu-Ala,Phe-Leu-Gly的氨基酸残基或肽间隔子, Phe-Phe-Leu,Leu-Leu-Gly,Phe-Tyr-Ala,Phe-Gly-Phe,Phe-Phe-Gly,Phe-Leu-Gly-Phe,Gly-Phe-Leu-Gly-Phe, Ala,Phe-Gly-βAla,Phe-Phe-βAla,Leu-Gly-βAla,Val-Ala-βAla,Phe-Ala-βAla,Leu-Phe-βAla,Leu-Gly-βAla ,Phe-Leu-Gly-β-Ala,Phe-Phe-LeuβAla,Leu-Leu-Gly-βAla,Phe-Tyr-Ala-βAla,Phe-Gly-Phe-β,Phe-Phe-Glyβ Ala,Phe-Leu-Gly-Phe-β-Ala或Gly-Phe-Leu-Gly-Phe-β-Ala。与紫杉醇或其已知的类似物相比,该化合物具有抗肿瘤活性并显示改善的水溶性和降低的毒性。 还描述了其制备方法和含有它们的药物组合物。