申请人:Burroughs Wellcome Co.
公开号:US04250182A1
公开(公告)日:1981-02-10
Certain acridone and xanthone compounds, each of which is 2-substituted by a carboxyl group or a salt, ester or optionally substituted amide thereof and each of which is optionally substituted in the 5-,6-,7- or 8- position, by a second carboxyl group, salt, ester or optionally substituted amide thereof, the substituent in the 5-,6-,7- or 8- position of the acridone compounds, also being selected from cyano, halogen, nitro, alkyl, alkoxy and acyl, are useful for the relief or prophylaxis of allergic conditions.
某些苦橙酮和黄酮化合物,每个化合物都是由一个羧基或盐,酯或可选择性取代的酰胺2-取代,每个化合物在5-、6-、7-或8-位置可选择性取代,由第二个羧基,盐,酯或可选择性取代的酰胺所取代,苦橙酮化合物在5-、6-、7-或8-位置的取代基还可以选择性地来自氰基,卤素,硝基,烷基,烷氧基和酰基,对于缓解或预防过敏症状是有用的。