申请人:Roussel Uclaf
公开号:US04518775A1
公开(公告)日:1985-05-21
Novel compounds 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 O--, CF.sub.3 S-- and CF.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 hydrogen or an optionally unsaturated ring able to contain one or more heteroatoms of the group consisting of --S--, --O-- and --N-- optionally substituted with one or more members of the group consisting of (a) halogens, (b) alkyl of 1 to 4 carbon atoms optionally substituted with NH.sub.2, --NHAlK or --N--(AlK).sub.2 and AlK is alkyl of 1 to 3 carbon atoms, (c) phenyl, (d) alkoxy of 1 to 4 carbon atoms, (e) --OH, (f) --CF.sub.3 and (g) --NO.sub.2 or R.sub.1 ' and R.sub.2 ' together with the nitrogen atom to which they are attached form an optionally unsaturated ring, the said ring then being connected to the nitrogen atom by a double bond, R.sub.3 is selected from the group consisting of hydrogen, halogen and alkyl of 1 to 4 carbon atoms, R.sub.4 is selected from the group consisting of hydrogen and halogen, R.sub.5 is a halogen with the proviso that R.sub.3, R.sub.4 and R.sub.5 can not all be fluorine and R.sub.6 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms and an acyl of an organic carboxylic acid of 2 to 8 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts and their salts with non-toxic, pharmaceutically acceptable bases having a remarkable analgesic activity, a very weak anti-inflammatory activity and a good tolerance by the gastrointestinal system and their preparation and their intermediates.
化合物的新型式为##STR1##其中X位于5、6、7或8位,并选择自氢、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 O--、CF.sub.3 S--和CF.sub.3-的群组中,R.sub.1 '选择自氢和1至4个碳原子的烷基,R.sub.2 '选择自氢或可选含有一个或多个杂原子的不饱和环,所述杂原子的群组包括--S--、--O--和--N--,可选地用群组中的一个或多个成员取代,所述成员的群组包括(a)卤素、(b)1至4个碳原子的烷基,可选地用NH.sub.2、--NHAlK或--N--(AlK).sub.2取代,其中AlK为1至3个碳原子的烷基,(c)苯基、(d)1至4个碳原子的烷氧基、(e) --OH、(f) --CF.sub.3和(g) --NO.sub.2或R.sub.1 '和R.sub.2 '与它们所连接的氮原子一起形成可选的不饱和环,所述环然后通过双键连接到氮原子,R.sub.3选择自氢、卤素和1至4个碳原子的烷基,R.sub.4选择自氢和卤素,R.sub.5为卤素,但R.sub.3、R.sub.4和R.sub.5不能全为氟,R.sub.6选择自氢、1至8个碳原子的烷基和2至8个碳原子的有机羧酸的酰基,以及它们的非毒性、药学上可接受的酸加合物和它们的与非毒性、药学上可接受的碱盐,具有显著的镇痛活性、极弱的抗炎活性和良好的胃肠系统耐受性,以及它们的制备和它们的中间体。