| 发明名称 |
THIOPYRANODIPYRAZOLES |
| 摘要 |
The present invention is directed to a group of compounds which are variously methylated thiopyranodipyrazoles and to the S-oxides and S-dioxides of such compounds. The compounds are useful as bronchodilators and are prepared by the reaction of appropriately 5-substituted thiopyrano¢3,4c!pyrazol-4(1H)-one with a hydrazine.
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| 申请公布号 |
CA1324606(C) |
申请公布日期 |
1993.11.23 |
| 申请号 |
CA19880557075 |
申请日期 |
1988.01.21 |
| 申请人 |
MERRELL DOW PHARMACEUTICALS INC. |
发明人 |
LE TOURNEAU, MICHAEL E.;PEET, NORTON P. |
| 分类号 |
A61K31/41;A61K31/415;A61P11/08;C07D495/14;(IPC1-7):C07D495/14 |
主分类号 |
A61K31/41 |
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