N-苯基马来酰亚胺   、                                                                                      
(1S,2R,7S,9R)-5,11-bis(prop-1-en-2-yl)-3,8,13-trioxatricyclo[7.4.0.02,7]trideca-5,10-diene                                                                                                                                                                                              以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 96.0h,
                                                                                                                以85%的产率得到(1R,2S,8R,12S,13S,14R,16S,17R,18R,22S)-6,24-dimethyl-10,20-diphenyl-3,15,27-trioxa-10,20-diazaheptacyclo[14.11.0.02,14.05,13.08,12.017,25.018,22]heptacosa-5,24-diene-9,11,19,21-tetrone