ethyl 2-(2,6,6-trimethyl-3-(4-(morpholinosulfonyl)phenylthio)-4-oxo-4,5,6,7-tetrahydro-1H-indol-1-yl)acetate   、                                                                                      
borane tetrahydrofuran   、                                                                                      
乙醇                                                                                                                                                              在
                                                                                                                                                                                 
硼烷   、                                                                                                  Brine   、                                                                                                  
ethyl 2-(2,5,5-trimethyl-4,5,6,7-tetrahydro-1H-indol-1-yl)acetate   、                                                                                                  
Sodium sulfate-III   、                                                                                                  silica gel   、                                                                                                  
ethyl 2-(2,6,6-trimethyl-3-(4-(morpholinosulfonyl)phenylthio)-4,5,6,7-tetrahydro-1H-indol-1-yl)acetate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 2.25h,
                                                                                                                以The desired product ethyl 2-(2,6,6-trimethyl-3-(4-(morpholinosulfonyl)phenylthio)-4,5,6,7-tetrahydro-1H-indol-1-yl)acetate (0.0275 g, 0.054 mmol, 36.0% yield) was obtained的产率得到ethyl 2-(2,6,6-trimethyl-3-(4-(morpholinosulfonyl)phenylthio)-4,5,6,7-tetrahydro-1H-indol-1-yl)acetate