7-[4-(2-butoxyethoxy)phenyl]-1-formyl-N-[4-[[N-methyl-N-(tetrahydro-2H-pyran-4-yl)amino]methyl]phenyl]-2,3-dihydro-1H-1-benzazepine-4-carboxamide                                                                                                                                                              在
                                                                                                                                                                                 
乙酸乙酯   、                                                                                                  
水   、                                                                                                  Brine   、                                                                                                  
magnesium sulfate   、                                                                                                  
7-[4-(2-butoxyethoxy)phenyl]-N-[4-[[N-methyl-N-(tetrahydro-2H-pyran-4-yl)amino]methyl]phenyl]-2,3-dihydro-1H-1-benzazepine-4-carboxamide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
盐酸   、                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 4.5h,
                                                                                                                以to give 7-[4-(2-butoxyethoxy)phenyl]-N-[4-[[N-methyl-N-(tetrahydro-2H-pyran-4-yl)amino]methyl]phenyl]-2,3-dihydro-1H-1-benzazepine-4-carboxamide (Compound 28) (1.0 g) as yellow crystals的产率得到7-[4-(2-butoxyethoxy)phenyl]-N-[4-[[N-methyl-N-(tetrahydro-2H-pyran-4-yl)amino]methyl]phenyl]-2,3-dihydro-1H-1-benzazepine-4-carboxamide