13,16-dichloro-5,6,11,11a,11b,12,17,17a,17b,18-decahydro-5,18:6,11-bis([1,2]benzeno)-12,17-epoxytrinaphthylene                                                                                                                                                              在
                                                                                                                                                                                 
硫酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙酸酐                                                                                  为溶剂,
                                                                                                                                                    反应 0.17h,
                                                                                                                以76%的产率得到16,19-dichloroundecacyclo[22.6.6.64,11.02,23.03,12.05,10.013,22.015,20.025,30.031,36.037,42]dotetraconta-2,5,7,9,13,15,17,19,21,25,27,29,31,33,35,37,39,41-octadecaene