1,2'-anhydro-2,6,3-trideoxy-3-acetamido-5-C-(2-hydroxy-5-methylphenyl)-α-DL-threo-hex-4-ulose                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
异丙醇                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以95%的产率得到1,2'-anhydro-2,6,3-trideoxy-3-acetamido-4-hydroxy-5-C-(2-hydroxy-5-methylphenyl)-α-DL-arabino-hexopyranose