1,6-di-O-acetyl-3,4-di-O-benzyl-2-O-(2,4,6-tri-O-acetyl-3-O-carbamoyl-α-D-mannopyranosyl)-β-L-gulopyranose 在
盐酸 作用下,
以
二氯甲烷 为溶剂,
以100%的产率得到Acetic acid (2S,3R,4S,5S,6R)-3,4-bis-benzyloxy-6-chloro-5-((2R,3S,4S,5R,6R)-3,5-diacetoxy-6-acetoxymethyl-4-carbamoyloxy-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester