5-(benzyloxycarbonylamino)pentyl O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl)-(1<*>3)-4-O-benzoyl-α-L-fucopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
sodium methylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 96.0h,
                                                                                                                以100%的产率得到Benzoic acid (2S,3R,4R,5S,6R)-4-((2S,3R,4R,5S,6R)-3-acetylamino-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-5-benzyloxy-6-(5-benzyloxycarbonylamino-pentyloxy)-2-methyl-tetrahydro-pyran-3-yl ester