发明授权
US4428955A Benzopyran compounds, pharmaceutical compositions containing them and
methods of use
失效
苯并吡喃化合物，含有它们的药物组合物和使用方法
- 专利标题： Benzopyran compounds, pharmaceutical compositions containing them and methods of use
- 专利标题（中）： 苯并吡喃化合物，含有它们的药物组合物和使用方法
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申请号： US372415申请日： 1982-04-27
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公开(公告)号： US4428955A公开(公告)日： 1984-01-31
- 发明人: Walter-Gunar Friebe , Wolfgang Kampe , Egon Roesch , Otto-Henning Wilhelms
- 申请人： Walter-Gunar Friebe , Wolfgang Kampe , Egon Roesch , Otto-Henning Wilhelms
- 申请人地址： DEX Mannheim
- 专利权人： Boehringer Mannheim GmbH
- 当前专利权人： Boehringer Mannheim GmbH
- 当前专利权人地址： DEX Mannheim
- 优先权： DEX3117389 19810502
- 主分类号： C07D409/14
- IPC分类号： C07D409/14 ; A61K31/35 ; A61K31/443 ; A61K31/4433 ; A61K31/445 ; A61P37/08 ; A61P43/00 ; C07D311/22 ; C07D405/06 ; C07D405/12 ; C07D405/14
摘要：
The present invention provides benzopyranyl ethers of the general formula: ##STR1## wherein A is an alkylene radical containing 2 to 4 carbon atoms and R is a hydrogen atom or an acyl radical; as well as the salts thereof with pharmacologically acceptable acids.The present invention also provides processes for the preparation of these compounds and pharmaceutical compositions containing them. Furthermore, the present invention is concerned with the use of these compounds for treating allergic diseases.
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