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    • 36. 发明授权
    • Polymer-bound paclitaxel derivatives
    • 聚合物结合紫杉醇衍生物
    • US5362831A
    • 1994-11-08
    • US77065
    • 1993-06-16
    • Nicola MongelliFrancesco AngelucciEnrico PesentiAntonino SuaratoGiovanni Biasoli
    • Nicola MongelliFrancesco AngelucciEnrico PesentiAntonino SuaratoGiovanni Biasoli
    • A61K38/00A61K38/02A61K47/48A61P35/00C07D305/14C07K5/062C07K5/065C07K5/083C07K5/087C07K5/103C07K5/107A61K31/765C80F222/38
    • A61K47/48176C07D305/14
    • 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.
    • 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。