申请人:Leo Pharmaceutical Products Ltd. A/S (Lovens Kemiske Fabrik
公开号:US04293549A1
公开(公告)日:1981-10-06
This invention relates to new compounds, salts, complexes and acylated derivatives thereof, methods of producing said compounds, intermediates used in the method, pharmaceutical compositions containing the present compounds and methods of producing same, and a method of treating patients using the present compounds, having the general formula (I) ##STR1## in which R.sub.1 represents hydrogen, alkyl, alkoxy, hydroxy, halogen, trifluoromethyl, or phenyl; R.sub.2 represents hydrogen, alkyl, alkoxy, halogen, trifluoromethyl, or hydroxy; R.sub.3 represents alkyl, cycloalkyl which can be further mono- or disubstituted with methyl or ethyl, phenyl or phenyl-alkyl, optionally being further substituted; and R.sub.4 represents a 5- or 6-membered heterocyclic ring system containing at least one nitrogen atom and optionally further nitrogen, oxygen and/or sulphur atoms, said ring system optionally being further substituted; or said ring system optionally forming part of a larger fused ring system; and pharmaceutically acceptable, non-toxic salts, complexes and acylated derivatives thereof. The present compounds can be used in the therapy of rheumatoid arthritis, osteo-arthritis, and allied conditions in humans and domestic animals by enteral, parenteral or topical administration.
本发明涉及新化合物、盐、配合物和其酰化衍生物,制备该化合物的方法,用于制备该化合物的中间体,含有该化合物的制药组合物及其制备方法,以及使用该化合物治疗患者的方法,其具有一般式(I):##STR1##其中R.sub.1代表氢、烷基、烷氧基、羟基、卤素、三氟甲基或苯基;R.sub.2代表氢、烷基、烷氧基、卤素、三氟甲基或羟基;R.sub.3代表烷基、环烷基,可以进一步用甲基或乙基单烷基化或双烷基化,苯基或苯基-烷基,可选择进一步取代;R.sub.4代表含有至少一个氮原子的5-或6-成员杂环环系统,并且可选择进一步含有氮、氧和/或硫原子,该环系统可选择进一步取代;或该环系统可选择成为较大的融合环系统的一部分;以及其药学上可接受的、无毒的盐、配合物和酰化衍生物。该化合物可以通过肠道、静脉注射或局部给药用于治疗人类和家畜的类风湿性关节炎、骨关节炎和相关疾病。