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    • 10. 发明授权
    • 3-hydroxyisothiazole-4-carboxamidine derivatives as CHK2 inhibitors
    • 3-羟基异噻唑-4-甲脒衍生物作为CHK2抑制剂
    • US08067452B2
    • 2011-11-29
    • US12143672
    • 2008-06-20
    • Jim Zhen WuHuanming Chen
    • Jim Zhen WuHuanming Chen
    • A61K31/425C07D275/03
    • C07D275/03
    • This invention provides compounds of Formula I which are inhibitors of Chk2 and are useful as a radiation protection agents in anticancer radiotherapy. A method of modulating Chk2 in vitro includes treating a substrate with Chk2 in the presence of compounds of formula I. A method of making a compound of formula I includes: a) forming a biaryl amine having an amino (NH2) group; b) converting the amino group to an isothiocyanate group; c) adding a cyanoacetamide to the isothiocyanate group to form a thioamide adduct; d) cyclizing the thioamide adduct to form an isothiazole having a cyano group; and e) adding an amine to the cyano group to form a carboxamidine group.
    • 本发明提供了作为Chk2抑制剂的式I化合物,可用作抗癌放射治疗中的放射防护剂。 在体外调节Chk2的方法包括在式I化合物存在下用Chk2处理底物。制备式I化合物的方法包括:a)形成具有氨基(NH 2)基团的联芳基胺; b)将氨基转化为异硫氰酸酯基团; c)将氰基乙酰胺加入到异硫氰酸酯基中以形成硫代酰胺加合物; d)使硫代酰胺加合物环化以形成具有氰基的异噻唑; 和e)向氰基中加入胺形成甲脒基团。