[(3S,6S,8S,8aS)-8-Hydroxy-5-oxo-3-((2R,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxymethyl)-octahydro-indolizin-6-yloxy]-phenyl-acetic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 
sodium hydroxide                                                                                                                                  作用下,
                                                                                                                                                                                        反应 3.0h,
                                                                                                                以100%的产率得到[(3S,6S,8S,8aS)-8-Hydroxy-5-oxo-3-((2R,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxymethyl)-octahydro-indolizin-6-yloxy]-phenyl-acetic acid