Self-assembled taxo-diterpenoid nanostructures
    1.
    发明授权
    Self-assembled taxo-diterpenoid nanostructures 失效
    自组装的二元萜类化合物纳米结构

    公开(公告)号:US06271384B1

    公开(公告)日:2001-08-07

    申请号:US08913744

    申请日:1998-04-13

    IPC分类号: C07D30514

    摘要: Onium salts of taxo-diterpenoid-Cn,2-O-aza-arenes form water soluble self-assembling nanostructures above a critical aggregation concentration. The onium salt of aza-arene includes a delocalized charge which renders derivatized taxo-diterpenoids amphoteric, enhances their solubility in water, and promotes self-assembly of water soluble nanostructures, e.g., helical fibular structures and spherical micellular structures. These same onium salts of taxo-diterpenoid-Cn,2-O-aza-arenes are employed as water soluble prodrugs. For example, taxol-2′-methylpyridinium tosylate (MPT) is characterized by an elevated aqueous solubility, rapid activation by serum protein, good stability in most other aqueous solutions, formation of a protein:taxol intermediate and good retention within the circulatory system. The toxicity of the activated form is comparable or greater than underivatized taxol. Furthermore, taxol-2′-MPT can be synthesized by a simple one step reaction between taxol and 2-fluoro-1-MPT. The invention is applicable to taxol and taxol memetics having hydroxyls that are reactive with onium salts of 2-halogenated-aza-arenes. For example, taxol, C-2 substituted taxol and Taxotere each have reactive hydroxyls at the 2′ and 7 positions. The invention is also applicable to a wide array of 2-halogenated-aza-arenes.

    摘要翻译: 分子二萜-Cn,2-O-氮杂芳烃的鎓盐形成高于临界聚集浓度的水溶性自组装纳米结构。 氮杂芳烃的鎓盐包括离域电荷,其使衍生的二元萜类化合物两性,增强其在水中的溶解度,并促进水溶性纳米结构的自组装,例如螺旋状腓骨结构和球形胶束结构。 使用这些相同的二羟萜烷-Cn,2-O-氮杂 - 芳烃的鎓盐作为水溶性前药。 例如,紫杉醇-2'-甲基吡啶甲苯磺酸盐(MPT)的特征在于水溶性升高,通过血清蛋白快速活化,在大多数其他水溶液中具有良好的稳定性,形成蛋白质:紫杉醇中间体和在循环系统内具有良好的保留性。 活性形式的毒性与未衍生的紫杉醇相当或更大。 此外,紫杉醇-2-MPT可以通过紫杉醇和2-氟-1-MPT之间的简单的一步反应合成。 本发明适用于具有与2-卤代 - 氮杂 - 芳烃的鎓盐反应的羟基的紫杉醇和紫杉醇记忆。 例如,紫杉醇,C-2取代的紫杉醇和泰索帝各自在2'和7个位置具有反应性羟基。 本发明也适用于广泛的2-卤代 - 氮杂芳烃。

    Transformations of taxol
    2.
    发明授权
    Transformations of taxol 失效
    紫杉醇转化

    公开(公告)号:US6043382A

    公开(公告)日:2000-03-28

    申请号:US123504

    申请日:1998-07-28

    IPC分类号: C07D305/14 C07D493/08

    CPC分类号: C07D493/08 C07D305/14

    摘要: A method for esterifying C13 deoxy taxoid intermediates employs three steps, i.e., oxygenation of the C13 deoxy taxoid intermediate to produce a C13 enone taxoid intermediate; reduction of the C13 enone to produce an alcohol; followed by esterification of the C13 alcohol. Key intermediates include C13 deoxy taxoids; C13 enone substituted taxoids; and C1-C2 cyclo carbonate esters of taxoids.

    摘要翻译: 酯化C13脱氧紫杉烷类中间体的方法采用三个步骤,即C13脱氧紫杉烷类中间体的氧合反应生成C13烯酮类紫杉烷中间体; 减少C13烯酮产生酒精; 然后酯化C13醇。 主要中间体包括C13脱氧紫杉类; C13取代紫杉烷; 和类固醇的C1-C2环碳酸酯。

    Water soluble onium salt of taxo-diterpenoid
    3.
    发明授权
    Water soluble onium salt of taxo-diterpenoid 有权
    二萜类化合物的水溶性盐

    公开(公告)号:US6025491A

    公开(公告)日:2000-02-15

    申请号:US817890

    申请日:1998-12-14

    摘要: Onium salts of taxo-diterpenoid-C.sup.n, 2-0-aza-arenes are employed as water soluble prodrugs. For example, taxol-2'-methylpyridiniumtosylate (MPT) is characterized by an elevated aqueous solubility, rapid activation by serum protein, good stability in most other aqueous solutions, formation of a protein:taxol intermediate and good retension within the circulatory system. The toxicity of the activated form is comparable or greater than underivatized taxol. Furthermore, taxol-2'-MPT can be synthesized by a simple one step reaction between taxol and 2-fluoro-1-MPT. The invention is applicable to taxol and taxol mimetics having hydroxyls that are reactive with onium salts of 2-halogenated-aza-arenes. For example, taxol, C-2 substituted analogs of taxol, and Taxotere each have reactive hydroxyls at the 2' and 7 positions. The invention is also applicable to a wide array of 2-halogenated-aza-arenes.

    摘要翻译: PCT No.PCT / US95 / 00478 Sec。 371 1998年12月14日第 102(e)日期1998年12月14日PCT提交1995年1月10日PCT公布。 公开号WO95 / 18804 日期1995年7月13日分子二萜-Cn,2-0-氮杂 - 芳烃的盐类为水溶性前药。 例如,紫杉醇-2'-甲基吡啶鎓甲苯磺酸盐(MPT)的特征在于水溶性升高,通过血清蛋白快速活化,在大多数其他水溶液中具有良好的稳定性,形成蛋白质:紫杉醇中间体和在循环系统内具有良好的延迟。 活性形式的毒性与未衍生的紫杉醇相当或更大。 此外,紫杉醇-2-MPT可以通过紫杉醇和2-氟-1-MPT之间的简单的一步反应合成。 本发明适用于具有与2-卤代 - 氮杂芳烃的鎓盐反应的羟基的紫杉醇和紫杉醇模拟物。 例如,紫杉醇,紫杉醇的C-2取代的类似物和泰索帝各自在2'和7位具有反应性羟基。 本发明也适用于广泛的2-卤代 - 氮杂芳烃。

    Chemical switching of taxo-diterpenoids between low solubility active forms and high solubility inactive forms
    7.
    发明授权
    Chemical switching of taxo-diterpenoids between low solubility active forms and high solubility inactive forms 有权
    低溶解度活性形式和高溶解度无活性形式之间的分子二萜类化合物的化学转换

    公开(公告)号:US06252094B1

    公开(公告)日:2001-06-26

    申请号:US08750638

    申请日:1999-02-04

    IPC分类号: C07D30514

    摘要: Cyclic chemical switching method is employed for solubilizing and desolubilizing taxo-diterpenoids with respect to aqueous solvents. 2-Halogenated onium salts of aza-arenes are employed to derivatize taxo-diterpenoids so as to alter their solubility in aqueous solvents. The onium salt of aza-arene includes a delocalized charge which imparts polarity and aqueous solubility to taxo-diterpenoid derivatives. Solubilization is achieved in a one step derivatization with the onium salt of 2-halogenated aza-arenes. Desolubilization is achieved by contacting onium salts of taxo-diterpenoid-Cn,2-O-aza-arenes with serum protein to displace the 2-O-aza-arene and form a soluble protein:taxo-diterpenoid intermediate. This protein:taxo-diterpenoid intermediate then dissociates over time to provide a bioactive taxo-diterpenoid. These same onium salts of taxo-diterpenoid-Cn,2-O-aza-arenes are employed as water soluble prodrugs. The toxicity of the activated form is comparable or greater than underivatized taxol. The invention is applicable to taxol and taxol memetics having hydroxyls that are reactive with onium salts of 2-halogenated-aza-arenes.

    摘要翻译: 循环化学开关方法用于溶解和脱溶剂相对于含水溶剂的分子二萜类化合物。 使用2-卤代芳烃的卤化鎓盐衍生分子二萜类化合物,以改变其在含水溶剂中的溶解度。 氮杂芳烃的鎓盐包括赋予紫杉醇衍生物极性和水溶性的离域电荷。 用2-卤代氮杂芳烃的鎓盐在一步衍生化中实现溶解。 通过使分子二萜-Cn,2-O-氮杂芳烃与血清蛋白质的盐接触以置换2-O-氮杂 - 芳烃并形成可溶性蛋白质:taxo-diterpenoid中间体来实现脱水。 该蛋白质:taxo-diterpenoid中间体随后随着解离以提供生物活性的taxo-diterpenoid。 使用这些相同的二羟萜烷-Cn,2-O-氮杂 - 芳烃的鎓盐作为水溶性前药。 活性形式的毒性与未衍生的紫杉醇相当或更大。 本发明适用于具有与2-卤代 - 氮杂 - 芳烃的鎓盐反应的羟基的紫杉醇和紫杉醇记忆。