申请人:Roussel Uclaf
公开号:US04159986A1
公开(公告)日:1979-07-03
Novel thiophene-acetic acid derivatives of the formulae ##STR1## wherein R is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.1 is selected from the group consisting of lower alkyl of 1 to 4 carbon atoms and hydrogen and R.sub.2 is selected from the group consisting of hydrogen, lower alkyl of 1 to 7 carbon atoms and optionally substituted with at least one hydroxy group or an oxygen atoms-containing heterocycle,di-lower alkylamino-lower alkyl, N-heterocyclic alkyl, alkali metals, alkaline earth metals, aluminum and --H,NH (lower alkyl).sub.2 and Ar is selected from the group consisting of phenyl, optionally substituted with at least one member of the group consisting of halogen, trihalogenomethyl, lower alkyl, lower alkoxy and carboxyl, cyclohexyl, thienyl, furyl, tetrahydrofuryl and pyridyl, and in formula II, ArCO is attached to one of the positions .alpha. to the sulfur atom, which compounds have analgesic and anti-inflammatory activity and their preparations.
化学式为##STR1##的新型噻吩乙酸衍生物,其中R从氢和1到4个碳原子的烷基组中选择,R.sub.1从1到4个碳原子的低烷基和氢组中选择,R.sub.2从氢,1到7个碳原子的低烷基,可选地被至少一个羟基或含氧杂环取代的低烷基,双低烷基氨基低烷基,N-杂环烷基,碱金属,碱土金属,铝和--H,NH(低烷基).sub.2组中选择,Ar从苯基,可选地被卤素,三卤甲基,低烷基,低烷氧基和羧基中的至少一个成员取代,环己基,噻吩基,呋喃基,四氢呋喃基和吡啶基组中选择,在公式II中,ArCO附着在硫原子的α位置之一,这些化合物具有镇痛和抗炎活性,以及它们的制备方法。