(19R,20R)-4-methylidene-19,20-diphenyl-2,6-dioxa-18,21-diazapentacyclo[21.8.0.07,16.09,14.025,30]hentriaconta-1(31),7,9,11,13,15,23,25,27,29-decaene-17,22-dione 反应 1.0h,
以60%的产率得到(16R,17R)-28,29-dihydroxy-3-methylidene-16,17-diphenyl-15,18-diazapentacyclo[18.7.1.15,13.06,11.022,27]nonacosa-1(28),5(29),6,8,10,12,20,22,24,26-decaene-14,19-dione