溴丙烷   、                                                                                      28,39-Diiodo-3,6,9,12,15,18-hexaoxahexacyclo[18.15.7.126,30.137,41.02,32.019,24]tetratetraconta-1(35),2(32),19(24),20,22,26(44),27,29,33,37,39,41(43)-dodecaene-43,44-diol                                                                                                                                                              在
                                                                                                                                                                                 sodium hydride   、                                                                                                  sodium iodide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                                                        以75%的产率得到22,34-Diiodo-43,44-dipropoxy-3,6,9,12,15,18-hexaoxahexacyclo[18.15.7.126,30.137,41.02,32.019,24]tetratetraconta-1,19,21,23,26,28,30(44),32,34,37(43),38,40-dodecaene