乙酸酐 、 O-(2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1-3)-O-<(2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1-6)>-O-(2,4-di-O-benzyl-β-D-talopyranosyl)-(1-4)-1,6-anhydro-2-azido-3-O-benzyl-2-deoxy-β-D-glucopyranose 在
palladium on activated charcoal
氢气 作用下,
以
1,4-二氧六环 、
甲醇 为溶剂,
反应 24.0h,
以84%的产率得到O-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1-3)-O-<(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1-6)>-O-(2,4-di-O-acetyl-β-D-talopyranosyl)-(1-4)-2-acetamido-3-O-acetyl-1,6-anhydro-2-deoxy-β-D-glucopyranose