发明授权
- 专利标题： Disubstituted xanthone carboxylic acid compounds
- 专利标题（中）： 二取代的呫吨酮羧酸化合物
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申请号： US558024申请日： 1975-03-13
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公开(公告)号： US3963752A公开(公告)日： 1976-06-15
- 发明人: Jurg R. Pfister , Ian T. Harrison , John H. Fried
- 申请人： Jurg R. Pfister , Ian T. Harrison , John H. Fried
- 申请人地址： CA Palo Alto
- 专利权人： Syntex (U.S.A.) Inc.
- 当前专利权人： Syntex (U.S.A.) Inc.
- 当前专利权人地址： CA Palo Alto
- 主分类号： C07D311/86
- IPC分类号： C07D311/86
摘要：
Compositions containing and methods employing, as the essential ingredient, novel disubstituted xanthone carboxylic acid compounds which are useful in the treatment of allergic conditions. Methods for preparing these compounds and compositions and intermediates therein are also disclosed. 5-Methylsulfinyl-7-isopropoxyxanthone-2-carboxylic acid and 5,7-di(methylsulfinyl)xanthone-2-carboxylic acid are illustrated as representative compounds.
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