[(1S,2S,3R,4S,7R,8S,9S,10S,12R,15S)-4,12-diacetyloxy-1,8,9-trihydroxy-10,14,17,17-tetramethyl-15-[(2R,3S)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenyl-2-triethylsilyloxypropanoyl]oxy-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate 在
sodium hypochlorite 、 4-hydroxy-TEMPO benzoate 、 potassium bromide 作用下,
生成
[(1S,2S,3R,4S,7S,9S,10S,12R,15S)-4,12-diacetyloxy-1,9-dihydroxy-10,14,17,17-tetramethyl-15-[(2R,3S)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenyl-2-triethylsilyloxypropanoyl]oxy-8,11-dioxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate