三乙烯四胺 、
Ethyl 2-[[38-(2-ethoxy-2-oxoethoxy)-21,26-dioxo-19,28-dioxa-22,25-diazahexacyclo[15.12.7.17,11.131,35.05,29.013,18]octatriaconta-1(29),2,4,7(38),8,10,13,15,17,31(37),32,34-dodecaen-37-yl]oxy]acetate 以
甲醇 、
甲苯 为溶剂,
以63%的产率得到3,18,32,41-Tetraoxa-6,9,12,15,35,38-hexazaheptacyclo[28.22.1.120,43.02,49.019,24.026,31.042,47]tetrapentaconta-1(52),2(49),19,21,23,26,28,30,42(47),43,45,50-dodecaene-5,16,34,39-tetrone