[(2R,3R)-3-azido-2-hydroxy-6-methoxy-7-methyl-5,8-dioxo-2,3-dihydro-1H-pyrrolo[1,2-a]indol-4-yl]methyl acetate                                                                                                                                                              在
                                                                                                                                                                                 
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以79%的产率得到(2R,3R)-3-azido-2-hydroxy-4-(hydroxymethyl)-6-methoxy-7-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]indole-5,8-dione