[(2R,6R,7R,10S,12S,13R,14S,15S,17S)-15,17-dihydroxy-12-(methoxymethyl)-4,4,7,18,19,19-hexamethyl-3,5,11-trioxapentacyclo[13.3.1.02,6.07,13.010,12]nonadec-1(18)-en-14-yl] benzoate 在
(Me
3Si)NNa 、
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 1.08h,
生成 [(2R,6R,7R,10S,12S,13R,14S,15S,17S)-17-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-15-hydroxy-12-(methoxymethyl)-4,4,7,18,19,19-hexamethyl-3,5,11-trioxapentacyclo[13.3.1.02,6.07,13.010,12]nonadec-1(18)-en-14-yl] benzoate