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.
公式为:##SPC1##的替代烷基酸及其衍生物,其中X.sup.1和X.sup.2中的每一个都是氢原子、卤素原子、具有1至4个碳原子的烷基或具有1至4个碳原子的烷氧基;R.sup.1和R.sup.2中的每一个都是氢原子或具有1至4个碳原子的烷基;A是羰基基团、亚甲基基团或具有2至4个碳原子的烷基亚甲基基团;Y为--O--、--S--或--N(R)--[其中R为氢原子或具有1至4个碳原子的烷基];Z为OH或Q--B--N(R.sup.3)(R.sup.4)[其中Q为O(氧原子)或NH,B为具有1至4个碳原子的烷基亚基,R.sup.3和R.sup.4中的每一个都是氢原子或具有1至4个碳原子的烷基,或R.sup.3和R.sup.4与相邻的氮原子一起形成从吡咯烷、哌嗪烷、吗啉、哌嗪和在4位处取代具有1至4个碳原子的烷基的哌嗪中选择的饱和杂环];环P表示吡啶或吡啶N-氧化物环;以及其药学上可接受的盐作为抗风湿药、镇痛剂、退烧剂和抗炎药有用。