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    • 3. 发明申请
    • Compositions and Methods for Treating Cognitive Disorders
    • 治疗认知障碍的组合和方法
    • US20090221610A1
    • 2009-09-03
    • US12086658
    • 2007-01-31
    • Amy F.T. ArnstenMin WangDavid A. McCormickBrian P. Ramos
    • Amy F.T. ArnstenMin WangDavid A. McCormickBrian P. Ramos
    • A61K31/44A61P25/00
    • A61K31/505A61K31/155A61K45/06C07D239/48A61K2300/00
    • The present invention relates to the use of inhibitors or blockers of Ih (hyperpolarization-activated cationic current) channels in the treatment of cognitive disorders. In preferred aspects of the present invention, an effective amount of a compound is administered to a patient in need, wherein the compound has the chemical structure: Where R1 is H, or an optionally substituted C1-C3 alkyl, preferably a C2 alkyl (ethyl) group; R2 is an optionally substituted C1-C3 alkyl group, preferably a methyl group; R3 is H, an optionally substituted C1-C3 alkyl (preferably methyl), a halogen or 0(Ci-Ca) alkyl; R4 is an optionally substituted C1-C6 alkyl, C(O)—(C1-C5)alkyl, C(O)-aryl, C(O)O—(C1-C4)alkyl, C(O)O-aryl, or an optionally substituted heterocyclic, aryl or heteroaryl group; R4 is H or an optionally substituted C1-C6 (preferably a C1-C3) alkyl; R5, R6 and R7 are each independently H, halogen, an optionally substituted C1-C6 alkyl (preferably, an optionally substituted C1-C3 alkyl), 0-(C1-C3) alkyl, or an optionally substituted heterocyclic, aryl or heteroaryl group; Y− is an anion of a pharmaceutically acceptable salt (a physiologically acceptable anion, preferably a Cl−, Br−, I−, OAc−); or a solvate or polymorph thereof, optionally, in combination with guanfacine and/or chelerythrine, and a pharmaceutically acceptable carrier, additive or excipient to a patient in need of therapy.
    • 本发明涉及Ih(超极化 - 活化阳离子电流)通道抑制剂或阻断剂在治疗认知障碍中的用途。 在本发明的优选方面,向有需要的患者施用有效量的化合物,其中所述化合物具有以下化学结构:其中R 1为H或任选取代的C 1 -C 3烷基,优选C 2烷基(乙基 )组 R2是任选取代的C 1 -C 3烷基,优选甲基; R 3是H,任选取代的C 1 -C 3烷基(优选甲基),卤素或0(C 1 -C 6)烷基; R 4是任选取代的C 1 -C 6烷基,C(O) - (C 1 -C 5)烷基,C(O) - 芳基,C(O)O-(C 1 -C 4)烷基,C(O) 或任选取代的杂环,芳基或杂芳基; R4是H或任选取代的C 1 -C 6(优选C 1 -C 3)烷基; R 5,R 6和R 7各自独立地为H,卤素,任选取代的C 1 -C 6烷基(优选任选取代的C 1 -C 3烷基),O-(C 1 -C 3)烷基或任选取代的杂环,芳基或杂芳基 ; Y-是药学上可接受的盐(生理上可接受的阴离子,优选Cl-,Br-,I-,OAc-)的阴离子; 或其溶剂化物或多晶型物,任选地与胍法和/或螯合菊酯组合,以及药物可接受的载体,添加剂或赋形剂给需要治疗的患者。