[(1R,2R,6R,10S,11R,13S,14R,15R)-13-acetyloxy-8-(acetyloxymethyl)-1-hydroxy-4,12,12,15-tetramethyl-5-oxo-14-tetracyclo[8.5.0.02,6.011,13]pentadeca-3,8-dienyl] (2R)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 8.0h,
以60%的产率得到[(1R,2R,6R,10S,11R,13S,14R,15R)-13-acetyloxy-8-(acetyloxymethyl)-1-hydroxy-4,12,12,15-tetramethyl-5-oxo-14-tetracyclo[8.5.0.02,6.011,13]pentadeca-3,8-dienyl] (2R)-2-amino-3-methylbutanoate