7-[4-(2-butoxyethoxy)phenyl]-N-[4-[hydroxy(2-pyridyl)methyl]phenyl]-1,1-dioxo-2,3-dihydro-1-benzothiepine-4-carboxamide   、                                                                                      
间氯过氧苯甲酸   、                                                                                      
disodium;dioxido-oxo-sulfanylidene-λ6-sulfane                                                                                                                                                              在
                                                                                                                                                                                 
乙酸乙酯   、                                                                                                  
碳酸氢钠   、                                                                                                  Brine   、                                                                                                  
magnesium sulfate   、                                                                                                  
乙醇乙酸乙酯   、                                                                                                  
7-[4-(2-butoxyethoxy)phenyl]-N-[4-[hydroxy(1-oxidopyridin-2-yl)methyl]phenyl]-1,1-dioxo-2,3-dihydro-1-benzothiepine-4-carboxamide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以to give colorless crystals of 7-[4-(2-butoxyethoxy)phenyl]-N-[4-[hydroxy(1-oxidopyridin-2-yl)methyl]phenyl]-1,1-dioxo-2,3-dihydro-1-benzothiepine-4-carboxamide (Compound 151) (187 mg)的产率得到7-[4-(2-butoxyethoxy)phenyl]-N-[4-[hydroxy(1-oxidopyridin-2-yl)methyl]phenyl]-1,1-dioxo-2,3-dihydro-1-benzothiepine-4-carboxamide