申请人:STERLING DRUG INC.
公开号:EP0299407A1
公开(公告)日:1989-01-18
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 or 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 ω-aminoalkanol, followed by activation of the alcohol and displacement of 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,可用于治疗哺乳动物的心律失常、其制备方法是将吡唑-1-乙酸或丙酸的低级烷基酯与适当的二胺反应,或将吡唑-1-乙酸或丙酸的低级烷基酯与ω-氨基醇反应,然后使醇活化并置换适当的胺。