申请人:Yoshitomi Pharmaceutical Industries, Ltd.
公开号:US03931205A1
公开(公告)日:1976-01-06
Substituted alkanoic acids and derivatives thereof of the formula: ##SPC1## Wherein each of X.sup.1 and X.sup.2 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; each of R.sup.1 and R.sup.2 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; A is a carbonyl group, a methylene group or an alkylidene group having 2 to 4 carbon atoms; Y is --O--, --S-- or --N(R)-- [wherein R is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms]; Z is OH or Q--B--N(R.sup.3)(R.sup.4) [wherein Q is O (oxygen atom) or NH, B is an alkylene group having 1 to 4 carbon atoms and each of R.sup.3 and R.sup.4 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, or R.sup.3 and R.sup.4 together with the adjacent nitrogen atom form a saturated heterocycle selected from the group consisting of pyrrolidine, piperidine, morpholine, piperazine and piperazine substituted by an alkyl group having 1 to 4 carbon atoms at the 4-position]; and ring P represents a pyridine or a pyridine N-oxide ring; and pharmaceutically acceptable salts thereof are useful as antirheumatics, analgesics, antipyretics and anti-inflammatory agents.
化学式为:##SPC1## 的取代基脂肪酸及其衍生物,其中X1和X2各自是氢原子,卤素原子,1至4个碳原子的烷基或1至4个碳原子的烷氧基; R1和R2各自是氢原子或1至4个碳原子的烷基; A是羰基基团,亚甲基基团或2至4个碳原子的烷基亚甲基基团; Y是--O--, --S--或--N(R)-- [其中R是氢原子或1至4个碳原子的烷基]; Z是OH或Q--B--N(R3)(R4) [其中Q是O(氧原子)或NH,B是1至4个碳原子的烷基亚基,R3和R4各自是氢原子或1至4个碳原子的烷基,或R3和R4与相邻的氮原子一起形成选自吡咯烷,哌嗪烷,吗啉,哌嗪和在4位处被1至4个碳原子的烷基取代的哌嗪的饱和杂环]; 环P代表吡啶或吡啶N-氧化物环; 以及其药学上可接受的盐可用作抗风湿药,镇痛药,退烧药和抗炎药。