申请人:Warner-Lambert Company
公开号:US04056619A1
公开(公告)日:1977-11-01
1-Substituted-2-(2-pyridinyl)ethanone N-oxides having the formula I or II: ##STR1## wherein R.sub.1 is hydrogen or lower alkyl; R.sub.2 and R.sub.3 are each hydrogen, halogen, hydroxy, lower alkyl, lower alkoxy, or benzyloxy; R.sub.4 is halogen, hydroxy, lower alkyl, lower alkoxy, benzyloxy, ortho-amino, ortho-lower alkylamino, ortho-alkanoylamino or ortho-benzoylamino; and R.sub.5 is hydrogen, halogen, hydroxy, lower alkyl, lower alkoxy or benzyloxy; the pharmaceutically acceptable acid addition salts thereof, and a process for the preparation thereof, are described. The compounds of this invention are useful for the treatment of allergic conditions and for the treatment of hyperacidity.
1-取代的2-(2-吡啶基)乙酮N-氧化物,具有以下化学式I或II:其中R.sub.1为氢或较低烷基;R.sub.2和R.sub.3分别为氢、卤素、羟基、较低烷基、较低烷氧基或苄氧基;R.sub.4为卤素、羟基、较低烷基、较低烷氧基、苄氧基、邻氨基、邻较低烷基氨基、邻烷酰胺基或邻苯甲酰胺基;R.sub.5为氢、卤素、羟基、较低烷基、较低烷氧基或苄氧基;其药用可接受的酸盐,以及其制备方法均已描述。本发明的化合物用于治疗过敏性疾病和治疗胃酸过多。