[(2R,6S,7R,8R,10R,13S,14R,15S,16S,18S)-13-acetyloxy-8-fluoro-16,18-dihydroxy-4,4,7,19,20,20-hexamethyl-3,5,11-trioxapentacyclo[14.3.1.02,6.07,14.010,13]icos-1(19)-en-15-yl] benzoate 在
氟化氢吡啶 、
lithium hexamethyldisilazane 作用下,
以
四氢呋喃 、
吡啶 为溶剂,
生成 [(2R,6S,7R,8R,10R,13S,14R,15S,16S,18S)-13-acetyloxy-8-fluoro-16-hydroxy-18-[(2R,3S)-2-hydroxy-3-[(2-methylpropan-2-yl)oxycarbonylamino]-3-pyridin-4-ylpropanoyl]oxy-4,4,7,19,20,20-hexamethyl-3,5,11-trioxapentacyclo[14.3.1.02,6.07,14.010,13]icos-1(19)-en-15-yl] benzoate