申请人:MERRELL DOW PHARMACEUTICALS INC.
公开号:EP0276834A1
公开(公告)日:1988-08-03
The present invention is directed to a group of methylated tetrahydro cyclohepta[1,2-c:4,3-cʹ]dipyrazoles and benzo[1,2-c:4,3-cʹ]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.
本发明涉及一组可用作支气管扩张剂的甲基化四氢环庚烷[1,2-c:4,3-cʹ]二吡唑和苯并[1,2-c:4,3-cʹ]二吡唑。这些化合物是由适当的肼与适当的 1,3-二酮或与 1,3-二酮化学等价的化合物反应制备的。