HETEROCYCLIC COMPOUNDS AS IMAGING PROBES OF TAU PATHOLOGY
    7.
    发明申请
    HETEROCYCLIC COMPOUNDS AS IMAGING PROBES OF TAU PATHOLOGY 审中-公开
    杂环化合物作为TAU病理学的成像探针

    公开(公告)号:WO2013090497A1

    公开(公告)日:2013-06-20

    申请号:PCT/US2012/069367

    申请日:2012-12-13

    摘要: Pyridazinone compounds of Formula I: (I) wherein: R' is alkyl or Ar, optionally substituted with at least one alkyl, halo¬ gen, hydroxyl, alkoxy, haloalkoxy, acid, ester, amino, nitro, amide, or alkoxyhalo; 2 R is independently alkyi, alkynyl, ester, amino, amide, acid, aryl, heteroaryl, aminoalkyl, -C(=0)alkyl, -C(=0)aryl, -C(=0)heteroaryl, -C(=0)heterocycloalkyl, - C(=0)heterocycloalkylAr, -C(=0)(CH 2 ) n halo, -C(=0)(CH 2 )nheterocyclyl, or -SC^Ar, optionally substituted with at least one alkyi, alkylhalo, halogen, nitro, aryl, heteroaryl, or heteroaryl(CH 2 )nhalo; R 3 and R 4 are independently hydrogen, alkyi, alkenyl, alkynyl, aryl, heteroaryl; Ar is an aryl, heteroaryl, cycloalkyl, heterocycloalkyl group; n is an integer from 0-10; or a radiolabeled derivative thereof. The compounds are useful as imaging probes of Tau pathology in Alzheimer's disease are described. Compositions and methods of making such compounds are also described.

    摘要翻译: 式I的哒嗪酮化合物:(I)其中:R'是烷基或Ar,任选被至少一个烷基,卤代,羟基,烷氧基,卤代烷氧基,酸,酯,氨基,硝基,酰胺或烷氧基卤素取代; 其中R 2独立地是烷基,炔基,酯,氨基,酰胺,酸,芳基,杂芳基,氨基烷基,-C(= O)烷基,-C(= O)芳基,-C(= O) 0)杂环烷基,-C(= O)杂环烷基Ar,-C(= O)(CH 2)n Halo,-C(= O)(CH 2)n杂环基或-C≡Ar,任选被至少一个烷基卤代, 卤素,硝基,芳基,杂芳基或杂芳基(CH2)nhalo; R 3和R 4独立地是氢,烷基,烯基,炔基,芳基,杂芳基; Ar是芳基,杂芳基,环烷基,杂环烷基; n是0-10的整数; 或其放射性标记的衍生物。 这些化合物可用作阿尔茨海默氏病Tau病理学的成像探针。 还描述了制备这种化合物的组合物和方法。