Butyrylcholinesterase ligands as diagnostic tools and treatment for diseases of the nervous system
申请人:Darvesh Sultan
公开号:US08795630B2
公开(公告)日:2014-08-05
Compounds useful for the early diagnosis of malignant tumors, multiple sclerosis, and especially Alzheimer's Disease and related dementias; especially compounds of Formula (I) wherein R1 is selected from the group consisting of hydrogen, cyano, fluoro, iodo, alkyl, and aryl; R2 is selected from the group consisting of hydrogen, alkyl, and aryl; X is selected from the group consisting of CH2, CH2O, oxygen, OCH2, CH2S, SCH2, NH, N-alkyl, and N-aryl; Y is an optional spacer group, absent or selected from the group consisting of oxygen, sulfur, NH, N-alkyl, and N-aryl; and Z is selected from the group consisting of alkyl substituted with cyano, fluoro, or iodo and aryl substituted with cyano, fluoro, or iodo. In a preferred embodiment, R1 and R2 are hydrogen, X is CH2O, Y is absent, and Z is phenyl substituted with fluoro, cyano, or iodo. In some embodiments, Z is more specifically 18F-phenyl or 123I-phenyl or 131I-phenyl. Other compounds are also provided.
有用于早期诊断恶性肿瘤、多发性硬化症,尤其是阿尔茨海默病和相关痴呆症的化合物;特别是公式(I)中R1选自氢、
氰基、
氟、
碘、烷基和芳基的群体;R2选自氢、烷基和芳基的群体;X选自
CH2、 O、氧、O 、 S、S 、NH、N-烷基和N-芳基的群体;Y是可选的间隔基,不存在或选自氧、
硫、NH、N-烷基和N-芳基的群体;Z选自烷基取代的
氰基、
氟或
碘和芳基取代的
氰基、
氟或
碘的群体。在首选实施方式中,R1和R2为氢,X为 O,Y不存在,Z为取代有
氟、
氰或
碘的苯基。在某些实施方式中,Z更具体地是18F-苯基或123I-苯基或131I-苯基。还提供其他化合物。