申请人:Sterling Drug, Inc.
公开号:US04870095A1
公开(公告)日:1989-09-26
N-[(disubstituted amino)alkyl]-3,4 (or 4,5)-diaryl-1H-pyrazole-1-acetamides and pyrazole-1-propanamides, useful for treating cardiac arrhythmias in mammals, are prepared by reacting a lower-alkyl ester of pyrazole-1-acetic or propanoic acid with an appropriate diamine or by reacting a lower-alkyl ester of a pyrazole-1-acetic or propanoic acid with an .omega.-aminoalkanol, followed by activation of the alcohol and displacement by an appropriate amine.
N-[(二取代氨基)烷基]-3,4(或4,5)-二芳基-1H-吡唑-1-乙酰胺和吡唑-1-丙酰胺,用于治疗哺乳动物心律失常,通过将吡唑-1-乙酸或丙酸的较低烷基酯与适当的二胺反应制备,或通过将吡唑-1-乙酸或丙酸的较低烷基酯与.ω.-氨基烷醇反应,随后激活醇并被适当胺置换而制备。