8-Q-2-PY-9H-purin-6-amines (II), salts thereof, their preparation via 2-PY-4,5,6-pyrimidinetriamine 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.
本文展示了8-Q-2-PY-9H-purin-6-amines(II),它们的盐以及通过2-PY-4,5,6-pyrimidinetriamine制备它们和心脏强心作用的使用方法,其中PY为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为甲基,乙基,1-甲基乙基,
1,1-二甲基乙基,甲
硫基和乙
硫基。还展示了当Q为甲
硫基或乙
硫基时,相应的6-
氨基-2-PY-9H-purin-8-
硫醇为中间体。