methyl (R)-4-[(5-hydroxy-6-methoxyindol-2-yl)carbonyl]-2,6-dihydroxy-1,2,3,4-tetrahydropyrrolo[3,2-f]quinoline-8-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 lithium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
吡啶   、                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 4.5h,
                                                                                                                生成                                                 
(R)-4-[(5-hydroxy-6-methoxyindol-2-yl)carbonyl]-2,6-dihydroxy-1,2,3,4-tetrahydropyrrolo[3,2-f]quinoline-8-carboxylic acid