哌啶   、                                                                                      
8-(4-bromobutoxy)-5-ethyl-1,4,5,13-tetrahydro-5-hydroxy-12-methyl-3H,15H-oxepino[3',4':6,7]indolizino[1,2-b]quinoline-3,15-dione                                                                                                                                                                                              以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以50%的产率得到5-ethyl-1,4,5,13-tetrahydro-5-hydroxy-12-methyl-8-[4-(piperidin-1-yl)butoxy]-3H,15H-oxepino[3',4':6,7]indolizino[1,2-b]quinoline-3,15-dione