Cycloalkane[1,2-c:4,3-c']dipyrazoles and their use as bronchodilators
申请人:Merrell Dow Pharmaceuticals Inc.
公开号:US04734429A1
公开(公告)日:1988-03-29
The present invention is directed to a group of methylated tetrahydro cyclohepta[1,2-c:4,3-c']dipyrazoles and benzo[1,2-c:4,3-c']dipyrazoles useful as bronchodilators. The compounds are prepared by the reaction of an appropriate hydrazine with an appropriate 1,3-diketone or with a compound that is chemically equivalent to a 1,3-diketone.