5-(4-tert-butylbenzenesulfonylamino)-3-phenyl-1-benzothiophene-2-carboxylic acid 、
异丙醇胺 在
silica gel 作用下,
以
methanol-dichloromethane 为溶剂,
以the desired compound is obtained at 17% yield (2 mg)的产率得到(+/-)-5-(4-tert-butylbenzenesulfonylamino)-3-phenyl-1-benzothiophene-2-carboxylic acid-(2-hydroxypropyl)amide