申请人:SS PHARMACEUTICAL CO., LTD.
公开号:EP0308897A1
公开(公告)日:1989-03-29
A quinoline derivative represented by the following formula is disclosed.
wherein R1 represents a hydrogen atom or an alkyl group which may contain a substituent and R2 represents an alkyl group which may contain a substituent, or R1 and R2 in combination with each other and with the adjacent nitrogen atom form a ring which may contain a nitrogen atom other than said adjacent nitrogen atom, an oxygen atom, or a substituent, and R3 represents a cyano group, a carbamoyl group, or a lower alkoxycarbonyl group. The compound exhibits superior cardiotonic activity and vasodilative activity, and thus is effective as a medicine.
本发明公开了下式所代表的一种喹啉衍生物。
其中 R1 代表氢原子或可含有取代基的烷基,R2 代表可含有取代基的烷基,或 R1 和 R2 相互结合并与相邻的氮原子形成环,该环可含有除所述相邻氮原子以外的氮原子、氧原子或取代基,R3 代表氰基、氨基甲酰基或低级烷氧羰基。该化合物具有优异的强心活性和血管扩张活性,因此可作为一种有效的药物。