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    • 3. 发明申请
    • ANTIOXIDANT CAMPTOTHECIN DERIVATIVES AND ANTIOXIDANT ANTINEOPLASTIC NANOSPHERES THEREOF
    • 抗氧化剂胶体衍生物及其抗氧化剂的抗原性纳米粒子
    • US20110300187A1
    • 2011-12-08
    • US13114539
    • 2011-05-24
    • John S. YuBong Seop Lee
    • John S. YuBong Seop Lee
    • A61K31/4745A61K9/14A61P35/00C07D491/22
    • C07D471/14C07D491/22
    • The present invention is directed to antioxidant derivatives of camptothecin and antioxidant derivatives of camptothecin analogs and the preparation of nanometer-sized camptothecin prodrugs. Methods of synthesizing the antioxidant derivatives of camptothecin and antioxidant derivatives of camptothecin analogs, spontaneous emulsification or nanoprecipitation thereof to produce antioxidant camptothecin nanosphere prodrugs and their use in treating cancerous diseases are also provided. A further aspect of this invention is the use of these antioxidant camptothecin nanosphere prodrugs for the preparation of delivery devices of other pharmaceuticals and/or drugs. Additionally, methods of treating cancer with the camptothecin and antioxidant derivatives of camptothecin analogs, and nanometer-sized camptothecin prodrugs are also provided.
    • 本发明涉及喜树碱的抗氧化衍生物和喜树碱类似物的抗氧化衍生物以及纳米级喜树碱前药的制备。 合成喜树碱抗氧化剂衍生物和喜树碱类似物抗氧化衍生物的方法,自发乳化或其纳米沉淀法制备抗氧化喜树碱纳米球前药及其在治疗癌性疾病中的应用。 本发明的另一方面是这些抗氧化喜树碱纳米球前药用于制备其它药物和/或药物的递送装置的用途。 此外,还提供了用喜树碱和喜树碱类似物的抗氧化衍生物和纳米级喜树碱前药治疗癌症的方法。