benzhydryl (2R)-2-[(1R,3R,7R,10R,11R,14S,21R,26S,27S,28S,29R,30R)-29-[tert-butyl(dimethyl)silyl]oxy-21-[(2S,3R)-2,3-dimethyl-4-(prop-2-enoxycarbonylamino)butyl]-11,30-dimethyl-16-methylidene-20-oxo-11-triethylsilyloxy-32,33,34,35,36-pentaoxaheptacyclo[25.4.1.11,28.13,7.17,10.110,14.021,26]hexatriacont-24-en-24-yl]-2-[(2-methylpropan-2-yl)oxycarbonylamino]acetate 在
吡啶 、
氟化氢吡啶 作用下,
以
乙醚 、
乙腈 为溶剂,
反应 36.0h,
以100%的产率得到