乙酸酐 、 O-(2-O-Acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1<*>3)-O-<(2-acetamido-3,4,6-tri-O-acetyl-2-desoxy-β-D-glucopyranosyl)-(1<*>4)>-O-<(2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1<*>6)>-O-(2-O-benzyl-β-D-mannopyranosyl)-(1<*>4)-1,6-anhyd. 在
palladium on activated charcoal
氢气 作用下,
生成
O-(2,3,4,6-Tetra-O-acetyl-α-D-mannopyranosyl)-(1<*>3)-O-<(2-acetamido-3,4,6-tri-O-acetyl-2-desoxy-β-D-glucopyranosyl)-(1<*>4)>-O-<(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1<*>6)>-O-(2-O-acetyl-β-D-mannopyranosyl)-(1<*>4)-2-acetamido-3-O-acetyl-.