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    • 19. 发明申请
    • COMPOSITIONS AND METHODS TO TREAT CARDIAC DISEASES
    • 组合物和治疗心脏病的方法
    • WO2011103552A2
    • 2011-08-25
    • PCT/US2011025680
    • 2011-02-22
    • UNIV CONNECTICUTUS HEALTHLIANG BRUCEJACOBSON KENNETH AJOSHI BHALCHANDRA V
    • LIANG BRUCEJACOBSON KENNETH AJOSHI BHALCHANDRA V
    • C07F9/6561
    • A61K31/675A61K31/683C07F9/65616
    • Phosphonate and phosphinate N-methanocarba derivatives of AMP including their prodrug analogs are described. MRS2339, a 2-chloro-AMP derivative containing a (N)- methanocarba (bicyclo[3.1.0]hexane) ring system in place of ribose, activates P2X receptors, ligand-gated ion channels. Phosphonate analogues of MRS2339 were synthesized using Michaelis-Arbuzov and Wittig reactions, based on the expectation of increased half-life in vivo due to the stability of the C-P bond. When administered to calsequestrin-overexpressing mice (a genetic model of heart failure) via a mini-osmotic pump (Alzet), some analogues significantly increased intact heart contractile function in vivo, as assessed by echocardiography-derived fractional shortening (FS) as compared to vehicle-infused mice. The range of carbocyclic nucleotide analogues for treatment of heart failure has been expanded.
    • 描述了膦酸盐和次膦酸盐,其包括其前体药物类似物的N-甲基碳酰胺衍生物。 含有(N) - 甲氰胺(双环[3.1.0]己烷)环系的2-氯-AMP衍生物MRS2339代替核糖,活化P2X受体,配体门控离子通道。 基于由于C-P键的稳定性而增加的体内半衰期的期望,使用Michaelis-Arbuzov和Wittig反应合成MRS2339的膦酸酯类似物。 当通过小型渗透泵(Alzet)将氯雷斯特林过度表达的小鼠(心力衰竭的遗传模型)施用时,一些类似物显着增加体内完整的心脏收缩功能,如通过超声心动图来源的分数缩短(FS)评估的,与 车辆输注小鼠。 用于治疗心力衰竭的碳环核苷酸类似物的范围已经扩大。