BUTYRYLCHOLINESTERASE LIGANDS AS DIAGNOSTIC TOOLS AND TREATMENT FOR DESEASES OF THE NERVOUS SYSTEM
申请人:Darvesh Sultan
公开号:US20110212026A1
公开(公告)日:2011-09-01
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 R
1
is selected from the group consisting of hydrogen, cyano, fluoro, iodo, alkyl, and aryl; R
2
is selected from the group consisting of hydrogen, alkyl, and aryl; X is selected from the group consisting of CH
2
, CH
2
O, oxygen, OCH
2
, CH
2
S, SCH
2
, 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, R
1
and R
2
are hydrogen, X is CH
2
O, Y is absent, and Z is phenyl substituted with fluoro, cyano, or iodo. In some embodiments, Z is more specifically
18
F-phenyl or
123
I-phenyl or
131
I-phenyl. Other compounds are also provided.
本发明提供了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,特别是式(I)的化合物,其中R1选自氢、氰、氟、碘、烷基和芳基组成的群体;R2选自氢、烷基和芳基组成的群体;X选自CH2、CH2O、氧、OCH2、CH2S、SCH2、NH、N-烷基和N-芳基组成的群体;Y是可选的间隔基团,不存在或选自氧、硫、NH、N-烷基和N-芳基组成的群体;Z选自用氰、氟或碘取代的烷基和用氰、氟或碘取代的芳基组成的群体。在首选实施例中,R1和R2为氢,X为CH2O,Y不存在,Z为用氟、氰或碘取代的苯基。在某些实施例中,Z更具体地为18F-苯基或123I-苯基或131I-苯基。本发明还提供了其他化合物。