15,24,33-Tris[[6-(trifluoromethyl)pyridin-3-yl]oxy]-2,11,20,29,37,38,39,40-octazanonacyclo[28.6.1.13,10.112,19.121,28.04,9.013,18.022,27.031,36]tetraconta-1(37),2,4(9),5,7,10,12(39),13(18),14,16,19,21,23,25,27,29,31(36),32,34-nonadecaene-6-carboxylic acid 、
zinc diacetate 在
1,8-diazabicyclo[5.4.0]uncdec-7-ene 作用下,
以
戊醇 为溶剂,
以8%的产率得到