4-Methylidene-2,6,17,23,26,32-hexaoxa-20,29-diazapentacyclo[31.8.0.07,16.09,14.035,40]hentetraconta-1(41),7,9,11,13,15,33,35,37,39-decaene-19,30-dione 以
N-甲基吡咯烷酮 为溶剂,
反应 3.0h,
以80%的产率得到38,39-Dihydroxy-3-methylidene-14,20,23,29-tetraoxa-17,26-diazapentacyclo[28.7.1.15,13.06,11.032,37]nonatriaconta-1(38),5(39),6,8,10,12,30,32,34,36-decaene-16,27-dione