Novel 3-formylchromone derivatives are disclosed, substituted on the 5,6,7, or 8 positions by one or more of the following substituents: halogen, hydroxy, lower alkyl, lower alkoxy, lower acyl, lower acyloxy, or methylenedioxy. The corresponding 3-acetal or 3-hydrazone derivatives of the carboxaldehyde group are also disclosed. These compoounds, and pharmaceutical compositions containing these compounds are useful for the treatment of allergic conditions and for the treatment of hyperacidity.
揭示了新型的3-甲酰基
色酮衍
生物,其在5、6、7或8位置被以下一种或多种取代基取代:卤素、羟基、较低烷基、较低烷氧基、较低酰基、较低酰氧基或亚甲二氧基。还公开了相应的羧醛基的3-
缩醛或3-缩
肼衍
生物。这些化合物及含有这些化合物的药物组合物可用于治疗过敏症和治疗高酸度。