(2S,3R,13bS)-3-[tert-butyl(dimethyl)silyl]oxy-2,11,12-trimethoxy-1,2,3,5,6,8-hexahydroindolo[7a,1-a]isoquinolin-9-one                                                                                                                                                              在
                                                                                                                                                                                 
L-Selectride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以74%的产率得到(2S,3R,9R,13bS)-3-[tert-butyl(dimethyl)silyl]oxy-2,11,12-trimethoxy-2,3,5,6,8,9-hexahydro-1H-indolo[7a,1-a]isoquinolin-9-ol