methyl (2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1->3)-(2,4-diazido-2,4-dideoxy-β-D-xylopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranoside 在
sodium methylate 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 18.0h,
以87%的产率得到methyl (3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1->3)-(2,4-diazido-2,4-dideoxy-β-D-xylopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-galactopyranoside