4-苯基-1,2,4-三唑啉-3,5-二酮 、
14,16,18,20,22,24,26,28-八羟基-32-异丙基-15,31-二甲基氧杂环三十二碳-3,5,7,9,11,29-六烯-2-酮 以
1,4-二氧六环 为溶剂,
反应 2.5h,
以20%的产率得到(2E,4E,6E,10S,11S,12E,14R,16R,18S,20S,22R,24R,26R,27S,28S)-14,16,18,20,22,24,26,28-octahydroxy-11,27-dimethyl-33-phenyl-10-propan-2-yl-9-oxa-31,33,35-triazatricyclo[28.5.2.031,35]heptatriaconta-2,4,6,12,36-pentaene-8,32,34-trione