N-(4-diethoxyphosphorylmethylphenyl)-7,8-ethylenedioxy-5-oxo-1,2,4,5-tetrahydro-3-benzothiepine-2-carboxamide 3,3-dioxide 在
sodium borohydrid 、
溶剂黄146 作用下,
以
乙醇 为溶剂,
以90%的产率得到N-(4-diethoxyphosphorylmethylphenyl)-7,8-ethylenedioxy-5-hydroxy-1,2,4,5-tetrahydro-3-benzothiepine-2-carboxamide 3,3-dioxide