9-dibutylamino-benzo[b]naphtho[1,2-d]furan-5,6-dione                                                                                                                                                              在
                                                                                                                                                                                 ammonium acetate   、                                                                                                  
溶剂黄146                                                                                                                                  作用下,
                                                                                                                                                                                        反应 3.0h,
                                                                                                                以18%的产率得到8-N,8-N,26-N,26-N-tetrabutyl-5,23-dioxa-2,20-diazanonacyclo[19.15.0.03,19.04,12.06,11.013,18.022,30.024,29.031,36]hexatriaconta-1(21),2,4(12),6(11),7,9,13,15,17,19,22(30),24(29),25,27,31,33,35-heptadecaene-8,26-diamine