(2-tert-butoxycarbonylamidoethyl) 2,3,4-tri-O-acetyl-6-deoxy-6-[bis(methoxycarbonylethyl)]amino-β-D-glucopyranoside                                                                                                                                                              在
                                                                                                                                                                                 lithium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 12.0h,
                                                                                                                以100%的产率得到3-[[(2R,3S,4S,5R,6R)-6-(2-tert-Butoxycarbonylamino-ethoxy)-3,4,5-trihydroxy-tetrahydro-pyran-2-ylmethyl]-(2-carboxy-ethyl)-amino]-propionic acid