tert-butyl 2-{[(2S,4R)-6-azido-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)hexanoyl]amino}acetate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以93%的产率得到2-{[(2S,4R)-6-azido-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-O-(2,3,4,6-tetra-O-pivaloyl-β-D-galactopyranosyl)hexanoyl]amino}acetic acid