N-(benzyl)benzyloxycarbonyl-5-aminopentyl (2,6-di-O-acetyl-3,4-di-O-benzyl-β-D-glucopyranosyl)-(1->3)-(2-O-benzoyl-4,6-di-O-benzyl-β-D-galactopyranosyl)-(1->3)-(2-O-benzoyl-4,6-di-O-benzyl-β-D-galactopyranosyl)-(1->4)-2-O-benzoyl-3-O-benzyl-β-D-xylopyranoside 在
sodium methylate 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
以84%的产率得到N-(benzyl)benzyloxycarbonyl-5-aminopentyl (3,4-di-O-benzyl-β-D-glucopyranosyl)-(1->3)-(4,6-di-O-benzyl-β-D-galactopyranosyl)-(1->3)-(4,6-di-O-benzyl-β-D-galactopyranosyl)-(1->4)-3-O-benzyl-β-D-xylopyranoside