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公开(公告)号:US4160021A
公开(公告)日:1979-07-03
申请号:US885142
申请日:1978-03-10
申请人: Kenneth M. Snader
发明人: Kenneth M. Snader
IPC分类号: A61K31/35 , A61K31/351 , A61P11/00 , A61P37/08 , C07D309/36 , A61L9/04 , C07D309/16
CPC分类号: C07D309/36 , Y10S514/826
摘要: Substituted 2H-pyran-2,6(3H)-dione derivatives useful in the treatment of allergic conditions are prepared by reaction of 3,5-diacetyl-4,6-dihydroxy-2H-pyran-2-one with an appropriate aniline.
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公开(公告)号:US4025642A
公开(公告)日:1977-05-24
申请号:US637428
申请日:1975-12-03
IPC分类号: A61K31/325 , A61K31/35 , A61K31/351 , A61P11/00 , A61P37/08 , C07D309/36 , C07D309/38 , C07D309/20
CPC分类号: C07D309/38
摘要: Substituted 2H-pyran-2,6(3H)-dione derivatives useful in the treatment of allergic conditions are prepared by reaction of 3,5-diacetyl-4,6-dihydroxy-2H-pyran-2-one with an appropriate aniline.
摘要翻译: 通过3,5-二乙酰基-4,6-二羟基-2H-吡喃-2-酮与合适的苯胺的反应制备可用于治疗过敏病症的取代的2H-吡喃-2,6(3H) - 二酮衍生物。
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公开(公告)号:US3975380A
公开(公告)日:1976-08-17
申请号:US475726
申请日:1974-06-03
IPC分类号: C07D307/83
CPC分类号: C07D307/83 , Y10S514/826
摘要: Substituted aurones useful as inhibitors of certain antigen-antibody reactions, particularly in alleviating allergic manifestations such as asthma, are prepared by reaction of a 3-coumaranone with an appropriately substituted benzaldehyde followed by treatment with aqueous mineral acid and an alkanol.
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