4-(1,3,5-三甲基-1H-吡唑-4-基)丁烷-2-酮   、                                                                                      
7-氨基-6-羟基-6,7,8,9-四氢-2,9A-二氮杂苯并[CD]薁-1(2H)-酮盐酸盐                                                                                                                                                              在
                                                                                                                                                                                 
三乙胺   、                                                                                                  sodium cyanoborohydride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 121.0h,
                                                                                                                生成                                                 
(6R,7R)-7-hydroxy-6-{[(1R)-1-methyl-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)propyl]amino}-4,5,6,7-tetrahydroimidazo[4,5,1-jk][1]benzazepin-2(1H)-one   、                                                                                             
(6R,7R)-7-hydroxy-6-{[(1S)-1-methyl-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)propyl]amino}-4,5,6,7-tetrahydroimidazo[4,5,1-jk][1]benzazepin-2(1H)-one   、                                                                                             7-hydroxy-6-{[1-methyl-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)propyl]amino}-4,5,6,7-tetrahydroimidazo[4,5,1-jk][1]benzazepin-2(1H)-one   、                                                                                             7-hydroxy-6-{[1-methyl-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)propyl]amino}-4,5,6,7-tetrahydroimidazo[4,5,1-jk][1]benzazepin-2(1H)-one