Methyl 2,3,6-tri-O-acetyl-4-deoxy-4-<(1S)-(1,4/5,6)-4,5,6-triacetoxy-3-(benzoyloxymethyl)-2-cyclohexen-1-ylamino>-α-D-mannopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以64%的产率得到Methyl 4-deoxy-4-<(1S)-(1,4/2,3,5)-2,3,4-trihydroxy-5-(hydroxymethyl)-2-cyclohexen-1-ylamino>-α-D-mannopyranoside