(1R,2S,12bS,12cS)-2-Acetoxy-1,2,4,5,12b,12c-hexahydro-7H-[1,3]dioxolo[4,5-j]pyrrolo[3,2,1-de]phenanthridine-1-carboxylic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  
4-二甲氨基吡啶   、                                                                                                  
二异丁基氢化铝                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 Toluene-4-sulfonic acid (1R,2R,12bR,12cR)-2-hydroxy-1,2,4,5,12b,12c-hexahydro-7H-[1,3]dioxolo[4,5-j]pyrrolo[3,2,1-de]phenanthridin-1-ylmethyl ester