(benzyl 2,4-di-O-acetyl-3-O-benzyl-α-L-idopyranosyluronate)-(1-4)-(6-O-acetyl-2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1-4)-(benzyl 2-O-acetyl-3-O-benzyl-α-L-idopyranosyluronate)-(1-4)-(6-O-acetyl-2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1-4)-((3S,4R,5R)-dibenzyl 5-(benzyloxy)-4-oxypiperidine-1,3-carboxylate) 在
lithium hydroxide 、
水 、
双氧水 、
盐酸 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 5.0h,
以76%的产率得到(3-O-benzyl-α-L-idopyranosyluronic acid)-(1-4)-(2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1-4)-(3-O-benzyl-α-L-idopyranosyluronic acid)-(1-4)-(2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl)-(1-4)-(5-(benzyloxy)-4-oxypiperidine-1-carboxylate of benzyl-3-carboxylate of sodium (3S,4R,5R))