申请人:Sterling Drug Inc.
公开号:US04504482A1
公开(公告)日:1985-03-12
N-R-N'-R'-N-[4(or 5)-PY-2-pyrimidinyl]ureas (I) or salts thereof, where PY is 4- or 3-pyridinyl or 4- or 3-pyridinyl having one or two lower-alkyl substituents, R' is hydrogen or methyl and R is methyl or ethyl when PY is attached to the 4-position of the pyrimidine ring or R is hydrogen, ethyl or n-butyl when PY is attached to the 5-position of the pyrimidine ring are useful as cardiotonic agents. The preparations of I and their cardiotonic use are shown.
N-R-N'-R'-N-[4(or 5)-PY-2-嘧啶基]脲类化合物(I)或其盐,其中PY是4-或3-吡啶基或带有一个或两个较低烷基取代基的4-或3-吡啶基,R'是氢或甲基,R是甲基或乙基(当PY连接到嘧啶环的4位时)或R是氢、乙基或正丁基(当PY连接到嘧啶环的5位时),可用作强心药物。所述化合物I的制备及其作为强心剂的用途已经展示。