申请人:Merrell Dow Pharmaceuticals Inc.
公开号:US04578464A1
公开(公告)日:1986-03-25
8-Methyl-1,2,4-triazolo[4,3-b]pyridazines having a hydroxyalkylamino substituent at the 6-position are described herein. The compounds involved are useful as bronchodilator agents and they are prepared by the reaction of 6-chloro-8-methyl-1,2,4-triazolo[4,3-b]-pyridazine with an appropriate amino alcohol.
本文介绍了在6位具有羟基烷基氨基取代基的8-甲基-1,2,4-三唑并[4,3-b]吡啶嘧啶类化合物。涉及的化合物可用作支气管扩张剂,并通过6-氯-8-甲基-1,2,4-三唑并[4,3-b]-吡啶嘧啶与适当的氨基醇反应制备。