[(2R,3R,4R,5R)-3,4-diacetoxy-5-[4-hydroxy-3-(4-methoxyphenyl)-2-oxo-1-pyridyl]tetrahydrofuran-2-yl]methyl acetate                                                                                                                                                              在
                                                                                                                                                                                 
甲醇   、                                                                                                  
potassium carbonate                                                                                                                                  作用下,
                                                                                                                                                                                        反应 5.0h,
                                                                                                                以90%的产率得到1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-4-hydroxy-3-(4-methoxyphenyl)pyridin-2-one