申请人:Sterling Drug Inc.
公开号:US04420617A1
公开(公告)日:1983-12-13
5-PY-6-Q-pyridin-2-amines (I) or pharmaceutically acceptable acid-addition salts thereof are useful cardiotonics, where Q is hydrogen or lower-alkyl, and PY is 4-pyridinyl or 4-pyridinyl having one or two lower-alkyl substituents. Their preparation from the corresponding 5-PY-6-Q-2(1H-pyridinones via the corresponding 2-halo-5-PY-6-Q-pyridines is shown.
5-PY-6-Q-吡啶-2-胺(I)或其药学上可接受的酸加合盐是有用的心脏强心剂,其中Q是氢或较低的烷基,PY是4-吡啶基或4-吡啶基具有一个或两个较低的烷基取代基。它们是从相应的5-PY-6-Q-2(1H-吡啶酮)通过相应的2-卤代-5-PY-6-Q-吡啶制备的。