4-[N-(2,4,6-trifluorophenyl)sulfamoyl]-benzoic acid-[2-hydroxy-2-(2,2-dimethyl-1,3-dioxolan-4-yl)-ethylamide] 、
盐酸 以
乙醇 、
水 为溶剂,
反应 4.0h,
以3.4 g (7.83 mmol)=78.3% of the theoretical yield的产率得到4-[N-(2,4,6-Trifluorophenyl)sulfamoyl]-benzoic acid-(2,3,4-trihydroxy-butyl)amide