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    • 44. 发明申请
    • Modified Pyrazine Derivatives and Uses Thereof
    • 改性吡嗪衍生物及其用途
    • US20140170071A1
    • 2014-06-19
    • US14187530
    • 2014-02-24
    • Amruta PoreddyWilliam L. Neumann
    • Amruta PoreddyWilliam L. Neumann
    • A61K49/00
    • A61K49/00A61K49/0013C07D241/26
    • In some embodiments, the invention provides modified pyrazine derivatives containing a central pyrazine ring with two secondary amine groups attached directly to the central pyrazine ring and two amino carbonyl groups attached directly to the central pyrazine ring. The secondary amine groups are terminated by alkyl groups containing from 1 to 6 carbons. The amino carbonyl groups can be terminated by a wide range of substituents including, but not limited to, alkyl and alkylene groups, polyether groups, including poly(ethylene glycol) groups, secondary and tertiary amine groups, polyhydroxylated alkyl groups, amino carbonyl groups, amino thioketone groups, and combinations thereof. In some embodiments, the invention provides modified pyrazine derivatives useful as optical agents in a wide variety of biomedical imaging procedures, including diagnostic and imaging procedures. In an embodiment, for example, modified pyrazine derivatives are provided which are useful in monitoring organ and system functioning, for example in monitoring renal system functioning.
    • 在一些实施方案中,本发明提供了含有中间吡嗪环的改性吡嗪衍生物,其具有直接连接至中央吡嗪环的两个仲胺基团和直接连接至中央吡嗪环的两个氨基羰基基团。 仲胺基团被含有1至6个碳原子的烷基封端。 氨基羰基可以通过宽范围的取代基来终止,包括但不限于烷基和亚烷基,聚醚基团,包括聚(乙二醇)基团,仲和叔胺基团,多羟基化烷基基团,氨基羰基基团, 氨基硫酮基团及其组合。 在一些实施方案中,本发明提供了在多种生物医学成像方法中用作光学剂的改性吡嗪衍生物,包括诊断和成像程序。 在一个实施方案中,例如,提供了可用于监测器官和系统功能的修饰的吡嗪衍生物,例如在监测肾系统功能。