申请人:STERLING DRUG INC.
公开号:EP0388654A2
公开(公告)日:1990-09-26
N-[(alkylamino)alkyl]3,4 (or 4,5)-diaryl-1H-pyrazole-1-(branched)alkanamides and pyrazole-1-alkanamines useful for treating cardiac arrhythmias in mammals, are prepared by reacting a lower-alkyl ester of pyrazole-1-acetic acid with an appropriate diamine followed by reduction or by reacting the anion of a lower-alkyl ester of a pyrazole-1-acetic acid with an alkylating agent followed by displacement of the ester by an appropriate amine.
用于治疗哺乳动物心律失常的 N-[(烷基氨基)烷基]3,4(或 4,5)-二芳基-1H-吡唑-1-(支链)烷酰胺和吡唑-1-烷胺、吡唑-1-乙酸的低级烷基酯与适当的二胺反应,然后还原,或吡唑-1-乙酸的低级烷基酯的阴离子与烷化剂反应,然后酯被适当的胺置换,即可制备。