(2R,3R,4R,5R)-2-(benzoyloxymethyl)-5-((R)-4-methyl-2-oxo-2,3,4,7-tetrahydro-1H-1,3-diazepin-1-yl)tetrahydrofuran-3,4-diyl dibenzoate                                                                                                                                                              在
                                                                                                                                                                                 
氨                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 30.0h,
                                                                                                                以99.9%的产率得到(R)-1-((2R,3R,4S,5R)-3,4-bihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-4-methyl-3,4-dihydro-1H-1,3-diazepin-2(7H)-one