申请人:Roussel Uclaf
公开号:US04736033A1
公开(公告)日:1988-04-05
A 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, --CH.sub.3, --OCF.sub.3 or --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 a heterocycle connected to the nitrogen by a carbon atom selected from thiazolyl, 4,5-dihydro-thiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidinyl or tetrazolyl, all optionally substituted with alkyl of 1 to 4 carbon atoms or 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, --CH.sub.3, --NO.sub.2 or halogen, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms or aryl, R.sub.4 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms or aryl, and their non-toxic, pharmaceutically acceptable acid addition salts and salts with non-toxic, pharmaceutically acceptable bases having very good analgesis activity and a non-negligible anti-inflammatory activity and novel intermediates.
式##STR1##中的
4-羟基-3-
喹啉羧酰胺,其中X位于5、6、7或8位,并选自由氢、卤素、1至5个碳原子的烷基、1至4个碳原子的烷氧基、--CH.sub.3、--OCF.sub.3或--SCF.sub.3的群,R.sub.1选自由氢和1至4个碳原子的烷基的群,R.sub.2选自由氮原子连接的杂环,所述杂环由
噻唑基、4,5-二氢
噻唑基、
吡啶基、
噁唑基、
异噁唑基、
咪唑基、
嘧啶基或
四唑基中的碳原子选自,所有这些基可选择地用1至4个碳原子的烷基或苯基取代,所述苯基可选择地用--OH、1至4个碳原子的烷基、1至4个碳原子的烷氧基、--CH.sub.3、--NO.sub.2或卤素中的至少一种成员取代,R.sub.3选自由氢、1至4个碳原子的烷基或芳基的群,R.sub.4选自由氢、1至4个碳原子的烷基或芳基的群,以及它们的无毒、药学上可接受的酸盐和与非毒性、药学上可接受的碱形成的盐,具有非常好的镇痛活性和非可忽略的抗炎活性和新颖的中间体。