申请人:Roussel-UCLAF
公开号:US03995056A1
公开(公告)日:1976-11-30
Novel butyric acid derivatives of the formula ##SPC1## Wherein X, X.sub.1, X.sub.2 and X.sub.3 are individually selected from the group consisting of hydrogen, halogen, lower alkyl of 1 to 5 carbon atoms, lower alkoxy of 1 to 5 carbon atoms, lower alkylthio of 1 to 5 carbon atoms, trifluoromethoxy, trifluoromethylthio, trifluoromethyl, OH and dilower alkylamino of 1 to 5 carbon atoms for each alkyl, R is selected from the group consisting of hydrogen, lower alkyl of 1 to 5 carbon atoms, o-carboxyphenyl, 2,3-dihydroxypropyl and ##EQU1## wherein P and Q are individually lower alkyl of 1 to 5 carbon atoms, Z and X.sub.4 are individually selected from the group consisting of hydrogen and lower alkyl of 1 to 5 carbon atoms and Y is selected from the group consisting of hydrogen and --CH and the dotted line indicates the optional presence of a double bond when Y is hydrogen and when R is hydrogen or o-carboxyphenyl, the salts thereof with a non-toxic pharmaceutically acceptable mineral or orgaic base, which compounds have anti-inflammatory and analgesic activity and are substantially devoid of ulcerigenic activity and their preparation and novel intermediates formed therein.
化合物的结构式为:##SPC1## 其中X,X.sub.1,X.sub.2和X.sub.3分别从氢,卤素,1至5个碳原子的低级烷基,1至5个碳原子的低级烷氧基,1至5个碳原子的低级烷硫基,三氟甲氧基,三氟甲基硫基,三氟甲基,OH和每个烷基的1至5个碳原子的二级烷胺中选择,而R从氢,1至5个碳原子的低级烷基,o-羧基苯基,2,3-二羟基丙基和##EQU1##中选择,其中P和Q分别是1至5个碳原子的低级烷基,Z和X.sub.4分别从氢和1至5个碳原子的低级烷基中选择,而Y从氢和--CH中选择,虚线表示当Y为氢时,当R为氢或o-羧基苯基时,存在一个可选的双键。这些化合物与无毒的药用矿物质或有机碱的盐具有抗炎和镇痛活性,并且基本上不具有溃疡原性活性,其制备和形成的新中间体。