申请人:Roussel Uclaf
公开号:US04512997A1
公开(公告)日:1985-04-23
Novel 4H-1,2,4-triazoles of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be in different positions of the benzene rings and are individually selected from the group consisting of hydrogen, --OH, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, halogen, --CF.sub.3, --NO.sub.2, --NH.sub.2 and --NH--AlK and ##STR2## and AlK, AlK.sub.1 and AlK.sub.2 are alkyl of 1 to 4 carbon atoms or R.sub.1 and R.sub.2 together and/or R.sub.3 and R.sub.4 together are methylenedioxy, R is selected from the group consisting hydrogen, alkyl of 1 to 4 carbon atoms, --CH.sub.2 --COOH and --CH.sub.2 --COOAlK.sub.3 and AlK.sub.3 is alkyl of 1 to 4 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having a remarkable analgesic activity and a novel method for their preparation.
化合物4H-1,2,4-三氮唑的结构式为##STR1##其中R.sub.1、R.sub.2、R.sub.3和R.sub.4可能位于苯环的不同位置,且分别选自以下组:氢、--OH、1至4个碳原子的烷基、1至4个碳原子的烷氧基、卤素、--CF.sub.3、--NO.sub.2、--NH.sub.2和--NH--AlK以及##STR2##和AlK,AlK.sub.1和AlK.sub.2是1至4个碳原子的烷基,或者R.sub.1和R.sub.2一起和/或R.sub.3和R.sub.4一起是亚甲二氧基,R选自以下组:氢、1至4个碳原子的烷基、--CH.sub.2 --COOH和--CH.sub.2 --COOAlK.sub.3,AlK.sub.3是1至4个碳原子的烷基,以及它们的无毒、药学上可接受的酸盐,具有显著的镇痛活性,以及它们的新制备方法。