@ This invention provides an amide compound represented by the formula
wherein R1 is vinyl, 2-(methylsulfinyl)ethyl, 2-(methylsulfo- nyt)ethyl, 2-(2-acetylamino-2-carboxyethylthio)ethyl or 2-[2--(4-amino-4-carboxybutyrylamino]-2-(carboxymethylcarba- moyl)ethylthio]ethyl and R2 is hydrogen or lower alkyl, process for the preparation thereof, and antiallergic compositions containing the amide compound.
@ 本发明提供了一种由式表示的酰胺化合物
其中 R1 是
乙烯基、2-(甲亚磺酰基)乙基、2-(甲磺酰基)乙基、2-(2-乙酰
氨基-2-羧基乙
硫基)乙基或 2-[2-(4-
氨基-4-羧基丁酰
氨基]-2-(羧甲基羰基)乙
硫基]乙基,R2 是氢或低级烷基,其制备方法以及含有该酰胺化合物的抗过敏组合物。