申请人:TAISHO PHARMACEUTICAL CO., LTD
公开号:EP1065205A1
公开(公告)日:2001-01-03
Heteroaromatic derivatives represented by general formula (I) or pharmacologically acceptable salts thereof wherein Z represents a group represented by general formula (II), (III), (IV) or (V) (wherein Ar1 represents phenyl optionally substituted by a halogen or C1-5 alkyl; R2 represents a C1-5 alkyl; and Y represents hydrogen, mercapto, a C1-5, alkylthio, or amino optionally substituted by one or two C1-5 alkyls); Ar2 represents phenyl optionally having one or two substituents selected among halogens, C1-5 alkyls, C1-5 alkoxys, hydroxy, and trifluoromethyl; B1-B2 represents CH-CO or C=C(R1) (wherein R1 represents hydrogen or a C1-5 alkyl); and n is an integer of 1 to 4. The compounds are dopamine D4 receptor antagonists having a psychotropic action without causing extrapyramidal disorders.
通式(I)代表的杂芳香族衍生物或其药理上可接受的盐 其中 Z 代表通式(II)、(III)、(IV)或(V)代表的基团(其中 Ar1 代表任选被卤素或 C1-5 烷基取代的苯基;R2 代表 C1-5 烷基;和 Y 代表氢、巯基、C1-5、烷硫基或任选被一个或两个 C1-5 烷基取代的氨基);Ar2 代表任选具有一个或两个选自卤素、C1-5 烷基、C1-5 烷氧基、羟基和三氟甲基中的取代基的苯基;B1-B2 代表 CH-CO 或 C=C(R1) (其中 R1 代表氢或 C1-5 烷基);和 n 是 1 至 4 的整数。这些化合物是多巴胺 D4 受体拮抗剂,具有不引起锥体外系障碍的精神作用。