申请人:Duphar International Research B.V.
公开号:US06281216B1
公开(公告)日:2001-08-28
The present invention relates to a group of novel 2-aminoquinoline derivatives which are potent and selective agonists of the dopamine D4-receptor. The compounds have general formula (I) wherein (R1)n represents 1 or 2 substituents, which can be the same or different, from the group C1-3-alkyl or alkoxy, halogen, trifluoromethyl, nitro, amino, and mono- or dialkyl (C1-2)amino, or two groups R1 at adjacent carbon atoms together with the benzene ring may form the benzdioxane group or benzofuran group, X represents nitrogen or carbon, and the dotted line may represent a double bond, (R2)p represents 0, 1 or 2 substituents, which can be the same or different, from the group methyl and ethyl, or (R2)p is a methylene bridge or ethylene bridge, R3 is hydrogen or methyl, and (R)m represents 0, 1, or 2 substituents, which can be the same or different and can be located at all available positions of the quinolyl group, from the group C1-3-alkyl or alkoxy, halogen, trifluoromethyl, nitro, amino, and mono- or dialkyl (C1-2)amino, on the understanding that R1 cannot represent o-OCH3 when X is nitrogen, (R2)p and R3 are hydrogen, m is 0 and n is 1
本发明涉及一组新型2-氨基喹啉衍生物,它们是多巴胺D4受体的有效和选择性激动剂。这些化合物具有一般式(I),其中(R1)n代表1或2个取代基,可以是来自C1-3-烷基或烷氧基、卤素、三氟甲基、硝基、氨基和单或二烷基(C1-2)氨基的相同或不同的基团,或者是相邻碳原子上的两个R1基团与苯环一起形成苯二氧杂环或苯并呋喃基团,X代表氮或碳,虚线可能表示双键,(R2)p代表0、1或2个取代基,可以是相同或不同的来自甲基和乙基的基团,或者(R2)p是一个亚甲基桥或乙烯桥,R3是氢或甲基,而(R)m代表0、1或2个取代基,可以是相同或不同的,并且可以位于喹啉基团的所有可用位置,来自C1-3-烷基或烷氧基、卤素、三氟甲基、硝基、氨基和单或二烷基(C1-2)氨基的基团,需要注意的是当X是氮时,R1不能代表o-OCH3,(R2)p和R3是氢,m为0,n为1。