申请人:——
公开号:US04322533A1
公开(公告)日:1982-03-30
1-R.sub.1 -4- or 5-[4-pyridinyl-(CH.sub.2).sub.n ]-1H-indole-2,3-dione 3-Q derivatives, useful as cardiotonics, bronchodilators, anti-asthmatics, anti-allergics and anti-cholinergics, are prepared by cyclization of N-3- or 4-[4-pyridinyl-(CH.sub.2).sub.n ]phenyl}glyoxalamide oxime with acid; reaction of the product thus obtained with a carbonyl reactive reagent to prepare a compound where Q is other than O; and reaction of a compound where Q is either O or other than O with a lower-alkyl, hydroxy-lower-alkyl or di-lower-alkylamino-lower-alkyl ester of a strong mineral acid or with a carbo-lower-alkoxy-lower-alkyl halide to prepare compounds where R.sub.1 is other than hydrogen.
1-R.sub.1 -4-或5-[4-吡啶基-(CH.sub.n).sub.n ]-1H-吲哚-2,3-二酮3-Q衍生物,可用作心力衰竭药、支气管扩张剂、抗哮喘药、抗过敏药和抗胆碱药,通过将N-3-或4-[4-吡啶基-(CH.sub.2).sub.n ]苯基}甘二酰胺肟环化与酸反应制备;将所得产物与羰基反应试剂反应以制备Q不为O的化合物;将Q为O或非O的化合物与强矿酸的低烷基、羟基-低烷基或二-低烷氨基-低烷基酯或羧基-低烷氧基-低烷基卤代烷反应以制备R.sub.1不为氢的化合物。