申请人:Burroughs Wellcome Co.
公开号:US03939276A1
公开(公告)日:1976-02-17
Certain fluorenone and anthraquinone 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 substitutent in the 5,6-7- or 8- position of the fluorenone compounds, also being selected from cyano, halogen, nitro, alkyl, alkoxy and acyl, are useful for the relief or prophylaxis of allergic conditions.
某些荧酮和蒽醌化合物,每个化合物均被羧基或盐,酯或可选择性取代的酰胺所取代的2-位置取代,每个化合物在5,6-,7-或8-位置可选择性地被第二个羧基,盐,酯或可选择性取代的酰胺所取代,荧酮化合物在5,6-7-或8-位置的取代基还可以从氰基,卤素,硝基,烷基,烷氧基和酰基中选择,对于缓解或预防过敏症状有用。