发明名称 |
Pyridazinones, their preparation and use, and bronchospasmolytic medicaments containing pyridazinones |
摘要 |
PCT No. PCT/EP84/00139 Sec. 371 Date Jan. 4, 1985 Sec. 102(e) Date Jan. 4, 1985 PCT Filed May 10, 1984 PCT Pub. No. WO84/04521 PCT Pub. Date Nov. 22, 1984.6-Aryl-3[2H]pyridazinones of the formula I <IMAGE> (I) wherein one of the substituents R1 or R2 denotes methoxy and the other denotes (C2-C5)alkoxy or (C3-C5)alkenyloxy and X denotes oxygen or sulfur, and their pharmacologically acceptable salts with bases, are suitable for use as a bronchospasmolytic or cardiotonic agent. Processes for the preparation of the compounds and appropriate medicaments are described.
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申请公布号 |
US4707481(A) |
申请公布日期 |
1987.11.17 |
申请号 |
US19850690655 |
申请日期 |
1985.01.04 |
申请人 |
BYK GULDEN LOMBERG CHEMISCHE FABRIK GMBH |
发明人 |
AMSCHLER, HERMANN;ULRICH, WOLF-RUEDIGER |
分类号 |
A61K31/50;C07D237/14;C07D237/18;(IPC1-7):A61K31/50 |
主分类号 |
A61K31/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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