Certain tricyclic sulphone compounds each of which is substituted in the 1-,2-,3- or 4-position by a carboxyl or (5-tetrazolyl) group and each of which is optionally substituted in the 5-,6-,7- or 8-position by a second carboxyl or (5-tetrazolyl) group or a substituent selected from cyano, halogen, nitro, alkyl, alkoxy, acyl, amino, acylamino, thioalkyl, alkylsulphinyl and alkylsulphonyl, as well as salts, and optionally substituted esters and amides of the carboxyl substituted compounds and alkyl derivatives of the tetrazolyl substituted compounds, are useful for the relief or prophylaxis of allergic conditions.
某些
三环磺酰化合物,每个化合物在1-、2-、3-或4-位上被羧基或(5-
四唑基)基替代,且每个化合物在5-、6-、7-或8-位上可选择地被第二个羧基或(5-
四唑基)基或从
氰基、卤素、硝基、烷基、烷氧基、酰基、
氨基、酰胺基、
硫代烷基、烷基磺酰基和烷基磺酰基中选择的取代基替代,以及羧基取代的化合物的可选择地取代的酯和酰胺和
四唑基取代的化合物的烷基衍
生物,可用于缓解或预防过敏症状。