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