申请人:Knust Henner
公开号:US20060079507A1
公开(公告)日:2006-04-13
The present invention is concerned with a method of treating a disease selected from the group consisting of cognitive disorders, anxiety, Alzheimer's disease, and schizophrenia comprising administering a therapeutically effective amount of a substituted imidazo[1,5-a][1,2,4]triazolo[1,5-d][1,4]benzodiazepine derivatives of the following formula
wherein
R
1
is halogen, lower alkyl, lower alkynyl, cycloalkyl, lower alkoxy, OCF
3
, —NHR, —NHC(O)R or —NHSO
2
R;
R
2
is hydrogen, methyl or aryl which is unsubstituted or substituted by one or two substituents selected from the group consisting of halogen and lower alkoxy;
R
3
is hydrogen, lower alkyl, lower alkenyl, cycloalkyl, lower alkoxy, —O(CH
2
)
n+1
—O-lower alkyl, —(CH
2
)
n
-aryl which is optionally substituted by lower alkyl or halogen, heteroaryl, —NHR, —N(R)
2
, wherein each R can be the same or different, —NHCH
2
C≡CH, or pyrrolidin-1-one;
R is hydrogen, lower alkyl, lower alkyl substituted by halogen, heteroaryl, —(CH
2
)
n
O-lower alkyl, —NH-lower alkyl, cycloalkyl or aryl, and n is 0, 1, 2 or 3; and with their pharmaceutically acceptable acid addition salts. The invention also provides novel compounds of formula I-A and pharmaceutical compositions containing them. The most preferred indication is Alzheimer's disease.
本发明涉及一种治疗从认知障碍、焦虑、阿尔茨海默病和精神分裂症中选择的疾病的方法,包括给予下列公式的取代咪唑[1,5-a][1,2,4]三唑[1,5-d][1,4]苯二氮䓬啉衍生物的治疗有效量:其中R1是卤素、较低烷基、较低炔基、环烷基、较低烷氧基、OCF3、—NHR、—NHC(O)R或—NHSO2R;R2是氢、甲基或芳基,未取代或由卤素和较低烷氧基中选择的一种或两种取代基取代;R3是氢、较低烷基、较低烯基、环烷基、较低烷氧基、—O(CH2)n+1—O-较低烷基、—(CH2)n-芳基,可由较低烷基或卤素取代,杂芳基、—NHR、—N(R)2,其中每个R可以相同也可以不同,—NHCH2C≡CH,或吡咯烷酮;R是氢、较低烷基、由卤素取代的较低烷基、杂芳基、—(CH2)nO-较低烷基、—NH-较低烷基、环烷基或芳基,n为0、1、2或3;以及其药学上可接受的酸盐。该发明还提供了公式I-A的新化合物和含有它们的药物组合物。最受欢迎的适应症是阿尔茨海默病。