20,20-Dimethyl-4-methylidene-2,6-dioxa-18,22-diazapentacyclo[22.8.0.07,16.09,14.026,31]dotriaconta-1(32),7,9,11,13,15,24,26,28,30-decaene-17,23-dione 反应 2.0h,
以43%的产率得到29,30-Dihydroxy-17,17-dimethyl-3-methylidene-15,19-diazapentacyclo[19.7.1.15,13.06,11.023,28]triaconta-1(29),5(30),6,8,10,12,21,23,25,27-decaene-14,20-dione