(4S)-3-benzyl-4-[(3aR,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[2.3-d][1.3]dioxol-5-yl]-2-oxooxazolidine-4-carbaldehyde                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以95%的产率得到(4S)-3-benzyl-4-[(3aR,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[2.3-d][1.3]dioxol-5-yl]-4-(hydroxymethyl)-oxazolidin-2-one