[(2R,3R,4R,5R)-3,4-diacetoxy-5-(4-hydroxy-2-oxo-3-phenyl-1-pyridyl)tetrahydrofuran-2-yl]methyl acetate                                                                                                                                                              在
                                                                                                                                                                                 
甲醇   、                                                                                                  
potassium carbonate                                                                                                                                  作用下,
                                                                                                                                                                                        反应 5.0h,
                                                                                                                以80%的产率得到1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-4-hydroxy-3-phenyl-pyridin-2-one