5,11,17,23-tetra-tert-butyl-25,27-di(ethoxycarbonylmethoxy)-26,28-dihydroxycalix[4]arene 、
1,2-丙二胺 以
乙醇 、
甲苯 为溶剂,
以74%的产率得到3,9,15,33-Tetratert-butyl-37,38-dihydroxy-23-methyl-19,28-dioxa-22,25-diazahexacyclo[15.12.7.17,11.131,35.05,29.013,18]octatriaconta-1,3,5(29),7(38),8,10,13(18),14,16,31(37),32,34-dodecaene-21,26-dione