在
                                                                                                                                                                                 
sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以95%的产率得到[(1S,2S,4S,5S,6R,8S,9S,11R,12S)-1-benzoyloxy-6-hydroxy-5-(hydroxymethyl)-11-(methoxymethoxy)-9,15,15-trimethyl-10-oxo-8-(phenylmethoxymethoxy)-5-(2-trimethylsilylethoxymethoxy)-2-tricyclo[10.2.1.04,9]pentadecanyl] benzoate