SUBSTITUTED 3-ARYLSULFONYL-PYRAZOLO[1,5-A]PYRIMIDINES, SEROTONIN 5-HT6 RECEPTOR ANTAGONISTS AND METHODS FOR THE PRODUCTION AND USE THEREOF
申请人:Ivashchenko Andrey Alexandrovich
公开号:US20110178078A1
公开(公告)日:2011-07-21
The invention relates to the novel substituted 3-arylsulfonyl-pyrazolo[1,5-a]pyrimidines of the general formula 1, pharmaceutically acceptable salts and/or hydrates thereof, serotonin 5-HT
6
receptor antagonists and pharmaceutical compositions, and also to method for prophylaxis and treatment of various diseases of central nervous system at humans and warm-blooded animals pathogenesis of which is associated with serotonin 5-HT
6
receptors, in particular, Alzheimer's disease, Parkinson's disease, Huntington's disease, schizophrenia, and other neurodegenerative diseases, cognitive disorders and obesity.
In the general formula 1:
wherein: X═S, SO or NH; R
1
represents hydrogen, optionally substituted C
1
-C
3
alkyl, cycloalkyl, adamantyl, aryl or heterocyclyl; R
2
represents hydrogen, halogen, optionally substituted C
1
-C
3
alkyl, substituted hydroxyl, aryldiazenyl or optionally substituted amino group; R
3
represents hydrogen, optionally substituted C
1
-C
3
alkyl, substituted hydroxyl, pyridyl or optionally substituted amino group, besides, in cases when X═S or X═NH, at least one of R
1
, R
2
or R
3
represent substituted C
1
-C
3
alkyl, cycloalkyl, adamantyl, aryl, heterocyclyl, halogen, substituted hydroxyl, optionally substituted amino group, aryldiazenyl, or at least two of R
1
, R
2
or R
3
represent hydrogen; R
4
represents C
1
-C
3
alkyl; R
5
represents hydrogen, one or two halogens, C
1
-C
3
alkyl or optionally substituted hydroxyl.
该发明涉及新的取代的3-芳基磺酰基吡唑并[1,5-a]嘧啶,其通式为1,其药学上可接受的盐和/或水合物,血清素5-HT6受体拮抗剂和制药组合物,以及用于预防和治疗与血清素5-HT6受体相关的中枢神经系统各种疾病的方法,特别是阿尔茨海默病、帕金森病、亨廷顿病、精神分裂症和其他神经退行性疾病、认知障碍和肥胖症。在通式1中:其中:X═S、SO或NH;R1代表氢、可选取代的C1-C3烷基、环烷基、金刚烷基、芳基或杂环基;R2代表氢、卤素、可选取代的C1-C3烷基、取代的羟基、芳基重氮基或可选取代的氨基基团;R3代表氢、可选取代的C1-C3烷基、取代的羟基、吡啶基或可选取代的氨基基团,此外,在X═S或X═NH的情况下,至少有R1、R2或R3中的一个代表取代的C1-C3烷基、环烷基、金刚烷基、芳基、杂环基、卤素、取代的羟基、可选取代的氨基基团、芳基重氮基,或者R1、R2或R3中的至少两个代表氢;R4代表C1-C3烷基;R5代表氢、一个或两个卤素、C1-C3烷基或可选取代的羟基。