Water-Soluble CC-1065 Analogs and Their Conjugates
申请人:Beusker Patrick Henry
公开号:US20090318668A1
公开(公告)日:2009-12-24
This invention relates to novel analogs of the DNA-binding alkylating agent CC-1065 and to their conjugates. Furthermore this invention concerns intermediates for the preparation of said agents and their conjugates. The conjugates are designed to release their (multiple) payload after one or more activation steps and/or at a rate and time span controlled by the conjugate in order to selectively deliver and/or controllably release one or more of said DNA alkylating agents. The agents, conjugates, and intermediates can be used to treat an illness that is characterized by undesired (cell) proliferation. As an example, the agents and the conjugates of this invention may be used to treat a tumor.
Duocarmycin-based prodrugs for cancer prodrug monotherapy
作者:Lutz F. Tietze、Heiko J. Schuster、Kianga Schmuck、Ingrid Schuberth、Frauke Alves
DOI:10.1016/j.bmc.2008.05.009
日期:2008.6
The synthesis and biological evaluation of novel prodrugsbased on the cytotoxicantibioticduocarmycin SA (1) for a selective treatment of cancer using a prodrug monotherapy (PMT) are described. Transformation of the phenol 8 with the glucuronic acid benzyl ester trichloroacetimidate 9b followed by reaction with DMAI x HCl (10) gives the glucuronide 11b, which is deprotected to afford the desired
描述了基于细胞毒性抗生素双卡霉素SA(1)的新型前药的合成和生物学评估,该药物可使用前药单一疗法(PMT)选择性治疗癌症。用葡糖醛酸苄基酯三氯乙酰亚氨酸酯9b转化苯酚8,然后与DMAI x HCl(10)反应,得到葡糖醛酸苷11b,将其脱保护得到所需的含有葡糖醛酸酸部分的前药4a。另外,制备具有葡糖醛酸甲酯单元的前药4b。葡萄糖醛酸苷的细胞毒性使用HTCFA测定法确定,IC(50)值对于4a为610 nM,对于4b为3300 nM。在存在β-葡萄糖醛酸苷酶的情况下,4a表示的IC(50)值为0.9 nM,4b的表示为2.1 nM,导致QIC(50)的值对于4a约为700,对于4b约为1600。
Glycosidic Prodrugs of Highly Potent Bifunctional Duocarmycin Derivatives for Selective Treatment of Cancer
作者:Lutz F. Tietze、J. Marian von Hof、Michael Müller、Birgit Krewer、Ingrid Schuberth
DOI:10.1002/anie.201002502
日期:——
Cytotoxicities almost a million times lower than the prevailing active compounds, which can have IC50 values of about 100 fM, are displayed by new glycosidic prodrugs for selective tumor therapy (see example; gray C, white H, green Cl, blue N, red O). The cytotoxicity of these new active compounds is presumably not attributable to DNA intra‐ or DNA inter‐strand cross‐linking, but might be based on
新的糖苷药物用于选择性肿瘤治疗,其细胞毒性比目前的活性化合物低约一百万倍,后者的IC 50值约为100 f M(参见示例;灰色C,白色H,绿色Cl,蓝色N,重做)。这些新的活性化合物的细胞毒性可能不归因于DNA内或DNA链间的交联,但可能是基于一个未知的机制。
[EN] SUBSTITUTED CC-1065 ANALOGS AND THEIR CONJUGATES<br/>[FR] ANALOGUES CC-1065 SUBSTITUÉS ET LEURS CONJUGUÉS
申请人:SYNTARGA BV
公开号:WO2009017394A1
公开(公告)日:2009-02-05
This invention relates to novel agents that are analogs of the DNA-alkylating agent CC-1065 and to their conjugates. Furthermore this invention concerns intermediates for the preparation of said agents and their conjugates. The conjugates are designed to release their (multiple) payload after one or more activation steps and/or at a rate and time span controlled by the conjugate in order to selectively deliver and/or controllably release one or more of said DNA alkylating agents. The agents, conjugates, and intermediates can be used to treat an illness that is characterized by undesired (cell) proliferation. As an example, the agents and the conjugates of this invention may be used to treat a tumor.