4-Methylidene-2,6,17,20,23,26-hexaoxapentacyclo[25.8.0.07,16.09,14.029,34]pentatriaconta-1(35),7,9,11,13,15,27,29,31,33-decaene 以
萘烷 为溶剂,
反应 1.5h,
以77%的产率得到3-methylidene-14,17,20,23-tetraoxapentacyclo[22.7.1.15,13.06,11.026,31]tritriaconta-1(32),5(33),6,8,10,12,24,26,28,30-decaene-32,33-diol