3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4-((6-(triisopropylsilyloxy)methyl)-1H-indol-3-yl)pyrrole-2,5-dione                                                                                                                                                              在
                                                                                                                                                                                 palladium diacetate   、                                                                                                  
溶剂黄146                                                                                                                                  作用下,
                                                                                                                                                                                                                            以81%的产率得到2-(hydroxymethyl)-11H, 12H, 14H-pyrrolo[3,4-c]quinolino[8',8a',1':3,2,l]pyrrolo[2,3-a]carbazole-5,7-dione