申请人:KYOWA HAKKO KOGYO CO., LTD.
公开号:EP0386722A1
公开(公告)日:1990-09-12
Novel imidazoquinolone derivative represented by the formula (I);
wherein R1 represents hydrogen, alkyl, cycloalkyl, alkenyl aralkyl, aralkenyl or substituted or unsubstituted aryl; X represents nitrogen or C-R2 where R2 is hydrogen, hydroxyl, alkyl, cycloalkyl, alkenyl, aralkyl, aralkenyl, substituted or unsubstituted aryl, thiol, halogen, substituted or unsubstituted aromatic heterocyclic group, or -(CH2)mC02R6 where R6 is hydrogen or lower alkyl and m is an integer of 0 to 3; Y represents oxygen or sulfur; R3 represents alkyl, cycloalkyl, alkoxyalkly, alkenyl, aralkyl; aralkenyl, -(CH2)n-Het where Net is substituted or unsubstituted aromatic heterocyclic group and n is an integer of 1 to 3 or (CH2)-nCO2R6a where n has the same meaning as defined above and R6a has the same meaning as defined as to R6; each of R4 and R5 independently represents hydrogen, lower alkyl, trifluoromethyl, cycloalkyl, halogen, hydroxyl, lower alkoxyl, lower alkylthio, nitro, amino, lower alkylamino, lower alkanoylamino, aroylamino, lower alkanoyl or aroyl; and a pharmaceutically acceptable salt thereof. The Compound (I) and a pharmaceutically acceptable salt thereof show bronchodilatory and antiallergic activities, and are useful for treating respiratory disorders such as bronchial asthma.
由式(I)代表的新型
咪唑喹啉酮衍
生物;
其中 R1 代表氢、烷基、环烷基、烯基、芳基或取代或未取代的芳基;X 代表氮或 C-R2,其中 R2 是氢、羟基、烷基、环烷基、烯基、芳烷基、芳烯基、取代或未取代的芳基、
硫醇、卤素、取代或未取代的芳杂环基团,或-(
CH2)mC02R6,其中 R6 是氢或低级烷基,m 是 0 至 3 的整数;Y 代表氧或
硫;R3 代表烷基、环烷基、烷氧基烷基、烯基、芳烷基、芳烯基、-( )mC02R6,其中 R6 是氢或低级烷基,m 是 0 至 3 的整数;R3代表烷基、环烷基、烷氧基烷基、烯基、芳烷基、-( )n-Het(其中 Net 是取代或未取代的芳杂环基团,n 是 1 至 3 的整数)或 ( )-nCO2R6a(其中 n 的含义与上述定义相同,R6a 的含义与 R6 的定义相同);R4和R5各自独立地代表氢、低级烷基、三
氟甲基、环烷基、卤素、羟基、低级烷氧基、低级烷
硫基、硝基、
氨基、低级烷基
氨基、低级烷酰
氨基、芳基
氨基、低级烷酰基或芳基;及其药学上可接受的盐。化合物(I)及其药学上可接受的盐具有支气管扩张和抗过敏活性,可用于治疗支气管哮喘等呼吸系统疾病。