申请人:Yoshitomi Pharmaceutical Industries, Ltd.
公开号:US03978071A1
公开(公告)日:1976-08-31
Substituted phenylalkanoic acids and derivatives thereof of the formula: ##SPC1## Wherein each of R.sup.1 and R.sup.2 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; 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; Y is COOH, COOR (wherein R is an alkyl group having 1 to 4 carbon atoms), CONH.sub.2, CSNH.sub.2, CN or COZ--A--N(R.sup.3)(R.sup.4) (wherein Z is an oxygen atom or an imino group, A is an alkylene group having 2 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 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 ring, a pyrimidine ring or a thiazole ring; and pharmaceutically acceptable salts thereof are useful as analgesics, anti-pyrestics and anti-inflammatory agents.
式子为:##SPC1##的苯基烷酸及其衍生物,其中R1和R2中的每个都是氢原子或具有1至4个碳原子的烷基基团;X1和X2中的每个都是氢原子、卤素原子、具有1至4个碳原子的烷基基团或具有1至4个碳原子的烷氧基;Y是COOH、COOR(其中R是具有1至4个碳原子的烷基基团)、CONH2、CSNH2、CN或COZ-A-N(R3)(R4)(其中Z是氧原子或亚胺基,A是具有2至4个碳原子的烷基基团,而R3和R4中的每个都是氢原子或具有1至4个碳原子的烷基基团,或者R3和R4与相邻的氮原子一起形成选自吡咯烷、哌嗪、吗啉、哌嗪和哌嗪的饱和杂环,其在4-位上被具有1至4个碳原子的烷基基团取代);环P代表吡啶环、嘧啶环或噻唑环;以及其药学上可接受的盐作为镇痛剂、退热剂和抗炎剂有用。