ethyl 5-bromo-2-oxo-3-[(2-pyrrolidin-1-ylphenyl)methylidene]indole-1-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 iron(III) chloride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,2-二氯乙烷                                                                                  为溶剂,
                                                                                                                                                    反应 5.0h,
                                                                                                                生成                                                 ethyl 5-bromo-2-oxo-2',3',3a',5'-tetrahydro-1'H-spiro[indoline-3,4'-pyrrolo[1,2-a]quinoline]-1-carboxylate   、                                                                                             ethyl 5-bromo-2-oxo-2',3',3a',5'-tetrahydro-1'H-spiro[indoline-3,4'-pyrrolo[1,2-a]quinoline]-1-carboxylate