(1R,5R,6S,8R)-3-benzyloxycarbonyl-8-phenyl-5-(tetra-O-acetyl-β-D-glucopyranosyl)oxy-3-aza-2,7,9-trioxabicyclo[4.4.0]decane                                                                                                                                                              在
                                                                                                                                                                                 
溶剂黄146   、                                                                                                  
sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
水   、                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 5.0h,
                                                                                                                以64%的产率得到(4R,5S,6R)-4-(β-D-glucopyranosyl)oxy-5-hydroxy-6-hydroxymethyl-3,4,5,6-tetrahydro-1,2(2H)-oxazine