[(1S,2S,3R,4S,8S,10R,13S)-4,10-diacetyloxy-4-(acetyloxymethyl)-13-[(2R,3S)-3-benzamido-2-[tert-butyl(dimethyl)silyl]oxy-3-phenylpropanoyl]oxy-1-hydroxy-8,12,15,15-tetramethyl-7,9-dioxo-2-tricyclo[9.3.1.03,8]pentadeca-5,11-dienyl] benzoate                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.42h,
                                                                                                                以28%的产率得到[(1S,2S,3R,4S,7R,8S,10R,13S)-4,10-diacetyloxy-4-(acetyloxymethyl)-13-[(2R,3S)-3-benzamido-2-[tert-butyl(dimethyl)silyl]oxy-3-phenylpropanoyl]oxy-1,7-dihydroxy-8,12,15,15-tetramethyl-9-oxo-2-tricyclo[9.3.1.03,8]pentadeca-5,11-dienyl] benzoate