Novel compounds which are di-t-butylphenyl alkyl or benzyl ethers which alkyl or benzyl group is substituted by an acidic group are useful as antiallergic agents. Synthetic intermediates for making such compounds are also disclosed.
二
叔丁基苯基烷基或苄基醚(其烷基或苄基被酸性基团取代)的新型化合物可用作抗过敏剂。此外,还公开了用于制造此类化合物的合成中间体。