methyl (1R,9R,10S,11R,12R,14S,19R)-11-acetyloxy-12-ethyl-10-hydroxy-5-methoxy-8-methyl-14-tri(propan-2-yl)silyloxy-8,16-diazapentacyclo[10.6.1.01,9.02,7.016,19]nonadeca-2(7),3,5-triene-10-carboxylate 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以89%的产率得到methyl (1R,9R,10S,11R,12R,14S,19R)-11-acetyloxy-12-ethyl-10,14-dihydroxy-5-methoxy-8-methyl-8,16-diazapentacyclo[10.6.1.01,9.02,7.016,19]nonadeca-2(7),3,5-triene-10-carboxylate