申请人:Roussel Uclaf
公开号:US04596875A1
公开(公告)日:1986-06-24
Novel 4-hydroxy-3-quinoline-carboxamides of the formula ##STR1## wherein X is in the 5,6,7 or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --OCF.sub.3 and --SCF.sub.3, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of thiazolyl, 4,5-dihydro-thiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidinyl and tetrazolyl, all optionally substituted with alkyl of 1 to 4 carbon atoms and phenyl optionally substituted with at least one member of the group consisting of --OH, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --NO.sub.2 and halogen, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.4 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.5 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and ##STR2## R.sub.5 ' is selected from the group consisting of alkyl of 1 to 4 carbon atoms and aryl and their non-toxic, pharmaceutically acceptable acid addition salts and salts with non-toxic, pharmaceutically acceptable bases having very good analgesic activity and a non-negligible anti-inflammatory activity and novel intermediates.
化合物的名称为4-羟基-3-喹啉甲酰胺,化学式如下:##STR1## 其中X位于5、6、7或8位,选自氢、卤素、1至5个碳原子的烷基、1至4个碳原子的烷氧基、--CF.sub.3、--OCF.sub.3和--SCF.sub.3的群组,R.sub.1选自氢和1至4个碳原子的烷基,R.sub.2选自噻唑基、4,5-二氢噻唑基、吡啶基、噁唑基、异噁唑基、咪唑基、嘧啶基和四唑基,均可选用1至4个碳原子的烷基和苯基,后者可选择至少一种取代基,所述取代基选自--OH、1至4个碳原子的烷基、1至4个碳原子的烷氧基、--CF.sub.3、--NO.sub.2和卤素的群组,R.sub.3选自氢、1至4个碳原子的烷基和芳基,R.sub.4选自氢、1至4个碳原子的烷基和芳基,R.sub.5选自氢、1至4个碳原子的烷基和##STR2##,R.sub.5'选自1至4个碳原子的烷基和芳基。该化合物及其中间体具有很好的镇痛活性和非常重要的抗炎活性,以及其非毒性、药学上可接受的酸盐和非毒性、药学上可接受的碱盐。