申请人:Sterling Drug Inc.
公开号:US04473571A1
公开(公告)日:1984-09-25
8-Q-2-PY-9H-purin-6-amines (II), salts thereof, their preparation and cardiotonic use are shown, where PY is 4-pyridinyl or 4-pyridinyl having one or two lower-alkyl substituents, and Q is methyl, ethyl, 1-methylethyl, 1,1-dimethylethyl, methylthio and ethylthio. Also shown as intermediates for the compounds where Q is methylthio or ethylthio are the corresponding 6-amino-2-PY-9H-purin-8-thiols.
8-Q-2-PY-9H-嘌呤-6-胺(II),其盐,它们的制备和强心用途被展示,其中PY是4-吡啶基或带有一个或两个较低烷基取代基的4-吡啶基,Q是甲基,乙基,1-甲基乙基,1,1-二甲基乙基,甲硫基和乙硫基。还显示了其中间体,其中Q是甲硫基或乙硫基的相应6-氨基-2-PY-9H-嘌呤-8-硫醇。