[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4-acetyloxy-15-[(2R,3S)-2-[tert-butyl(dimethyl)silyl]oxy-3-(heptanoylamino)-3-phenylpropanoyl]oxy-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9,12-bis(triethylsilyloxy)-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] hexanoate 在
吡啶 、
氢氟酸 作用下,
以
乙腈 为溶剂,
反应 7.5h,
以65%的产率得到[(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4-acetyloxy-15-[(2R,3S)-3-(heptanoylamino)-2-hydroxy-3-phenylpropanoyl]oxy-1,9,12-trihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] hexanoate