[(1S,2S,3R,4S,7R,9S,10S,12R)-4,12-diacetyloxy-1-hydroxy-10,14,17,17-tetramethyl-11,15-dioxo-9-triethylsilyloxy-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] naphthalene-1-carboxylate 在
sodium tetrahydroborate 、
sodium hexamethyldisilazane 、
氟化氢吡啶 作用下,
以
甲醇 为溶剂,
生成 [(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-diacetyloxy-15-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-1,9-dihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] naphthalene-1-carboxylate