Ethyl 4-[(dimethylamino)methyl]-5-hydroxy-2-methyl-1-(2-methylpropyl)naphtho[2,3-g]indole-3-carboxylate                                                                                                                                                                                              以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以39%的产率得到Diethyl 2',4-dimethyl-1',3-bis(2-methylpropyl)-5'-oxospiro[11-oxa-3-azapentacyclo[11.8.0.02,6.07,12.015,20]henicosa-1(21),2(6),4,7(12),13,15,17,19-octaene-10,4'-naphtho[2,3-g]indole]-3',5-dicarboxylate