Substituted imidazo [1,5-a] pyrimido [5,4-d] [1] benzazepine derivatives
申请人:Hoffmann-La Roche Inc.
公开号:US06686352B2
公开(公告)日:2004-02-03
The present invention is a compound of formula
wherein
R1 is halogen or lower alkyl;
R2 is hydrogen, lower alkyl, cycloalkyl, —(CH2)m-phenyl, wherein the phenyl ring may be substituted by lower alkoxy, or is —(CH2)m-indolyl;
R3 is —C(O)O-lower alkyl, —C(O)OH, or a five membered heteroaromatic group, which rings may be substituted by lower alkyl or cycloalkyl;
n is 0, 1 or 2;
m is 0, 1 or 2;
or a pharmaceutically acceptable acid addition salt thereof. Compound I shows high affinity and selectivity for GALA A &agr;5 receptor binding sites.
本发明涉及一种化合物,其化学式为:其中,R1为卤素或低碳基;R2为氢,低碳基,环烷基,-(CH2)m-苯基,其中苯环可以被低碳氧基取代,或者为-(CH2)m-吲哚基;R3为-C(O)O-低碳基,-C(O)OH,或者为五元杂环芳基,该环可以被低碳基或环烷基取代;n为0、1或2;m为0、1或2;或其药学上可接受的酸加合物盐。化合物I显示出对GALA A &agr;5受体结合位点具有高亲和力和选择性。