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    • 36. 发明授权
    • Fluoroalkyl tetrabenazine carbinol compounds as imaging agents and probes
    • 氟烷基四苯并嗪甲醇化合物作为成像剂和探针
    • US08013161B1
    • 2011-09-06
    • US11952325
    • 2007-12-07
    • Kande Kankanamalage Dayarathna AmarasingheMichael James RishelSean Richard DinnBruce Fletcher Johnson
    • Kande Kankanamalage Dayarathna AmarasingheMichael James RishelSean Richard DinnBruce Fletcher Johnson
    • C07D455/06
    • C07D455/06A61K51/0455C07D455/02
    • The present invention provides novel fluoroalkyl tetrabenazine carbinol compounds having structure I wherein R1 is a C1-C10 fluorinated aliphatic radical; R2 is a C1-C10 aliphatic radical; R3 is hydrogen or a C1-C10 aliphatic radical; R4 is hydrogen or a C1-C10 aliphatic radical; and R5 is hydrogen, a C1-C10 aliphatic radical, a C2-C10 cycloaliphatic radical, or a C2-C20 aromatic radical. In a particular embodiment, —OR5 is an ester moiety. The fluoroalkyl tetrabenazine carbinol compounds are provided in both racemic and enantiomerically enriched forms and may comprise either or both of fluorine-18 and fluorine 19. The fluoroalkyl tetrabenazine carbinol compounds are shown to possess high affinity for VMAT-2, a biomarker implicated in human diabetes. The fluoroalkyl tetrabenazine carbinol compounds comprising a fluorine-18 group are useful as PET imaging agents targeting the VMAT-2 biomarker. The non-radiolabled fluoroalkyl tetrabenazine carbinol compounds are useful as probes for the discovery of PET imaging agents.
    • 本发明提供具有结构I的新型氟代烷基四苯并嗪甲醇化合物,其中R 1是C 1 -C 10氟化脂族基; R2是C1-C10脂族基团; R3是氢或C1-C10脂族基; R4是氢或C1-C10脂族基; 并且R 5是氢,C 1 -C 10脂族基,C 2 -C 10脂环族基或C 2 -C 20芳族基。 在一个具体实施方案中,-OR 5是酯部分。 氟烷基四苯并嗪甲醇化合物以外消旋和对映异构体富集的形式提供,并且可以包含氟-18和氟19中的一种或两种。氟烷基丁苯那嗪甲醇化合物显示对VMAT-2具有高亲和力,VMAT-2是涉及人类糖尿病的生物标记 。 包含氟-18基团的氟代烷基四苯并嗪甲醇化合物可用作靶向VMAT-2生物标志物的PET显像剂。 非放射性氟烷基丁苯那嗪甲醇化合物可用作发现PET成像剂的探针。