Benzoic acid (2R,3R,4S,5R,6R)-4-azido-3,6-dimethoxy-5-methoxycarbonylmethoxy-tetrahydro-pyran-2-ylmethyl ester 在
sodium hydroxide 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.0h,
以93%的产率得到((2R,3R,4S,5R,6R)-4-Azido-6-hydroxymethyl-2,5-dimethoxy-tetrahydro-pyran-3-yloxy)-acetic acid