4-Methyl-benzoic acid (3aR,4R,6R,6aR)-6-formyl-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylmethyl ester                                                                                                                                                              在
                                                                                                                                                                                 sodium cyanoborohydride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 0.25h,
                                                                                                                生成                                                 4-Methyl-benzoic acid (3aR,4R,6S,6aS)-6-{[((3aR,5S,6R,6aR)-5-benzoyloxymethyl-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-6-yl)-hydroxy-amino]-methyl}-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylmethyl ester