4-nitrophenyl (3,5-di-tert-butylphenyl)carbamate   、                                                                                      
                                                                                                                                                              在
                                                                                                                                                                                 
N,N-二异丙基乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 12.0h,
                                                                                                                以58%的产率得到N-[44-[[N-(3,5-ditert-butylphenyl)-C-hydroxycarbonimidoyl]amino]-5,28-dihydroxy-33,49,52,53-tetrapentoxy-12,21-dioxa-4,6,27,29-tetrazaoctacyclo[30.17.1.13,48.17,11.122,26.130,34.136,40.142,46]hexapentaconta-1(49),2,5,7(56),8,10,22,24,26(55),27,30,32,34(54),36(53),37,39,42,44,46(52),48(51)-icosaen-38-yl]-N'-(3-oct-7-enoxyphenyl)carbamimidic acid