申请人:Roussel-UCLAF
公开号:US03931302A1
公开(公告)日:1976-01-06
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 -CH.sub.2 -CH - CH.sub.2 ##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 --OH 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 organic base, which compounds have anti-inflammatory and analgesic activity and are substantially devoid of ulcerigenic activity and their preparation and novel intermediates formed therein.
新型丁酸衍生物,其通式如##SPC1##所示,其中X、X₁、X₂和X₃各自独立地选自氢、卤素、含有1至5个碳原子的低级烷基、含有1至5个碳原子的低级烷氧基、含有1至5个碳原子的低级烷基硫基、三氟甲氧基、三氟甲基硫基、三氟甲基、羟基以及每个烷基含有1至5个碳原子的二低级烷基氨基;R选自氢、含有1至5个碳原子的低级烷基、邻羧基苯基、2,3-二羟基丙基以及-CH₂-CH-CH₂##EQU1##其中P和Q各自独立地为含有1至5个碳原子的低级烷基,Z和X₄各自独立地选自氢和含有1至5个碳原子的低级烷基,Y选自氢和--OH,虚线表示当Y为氢且R为氢或邻羧基苯基时可能存在的双键;与无毒的药用可接受的矿物或有机碱形成的盐,这些化合物具有抗炎和镇痛活性,且基本上无致溃疡活性,以及它们的制备方法和在其中形成的新型中间体。