(4R,9R)-24-methylidene-22,26-dioxa-3,10-diazahexacyclo[25.8.0.04,9.012,21.014,19.029,34]pentatriaconta-1(35),12,14,16,18,20,27,29,31,33-decaene-2,11-dione 在
N,N-二甲基苯胺 作用下,
反应 2.0h,
以62%的产率得到(4R,9R)-32,33-dihydroxy-22-methylidene-3,10-diazahexacyclo[22.7.1.112,20.04,9.014,19.025,30]tritriaconta-1(31),12,14,16,18,20(33),24(32),25,27,29-decaene-2,11-dione