4,6-di-O-acetyl-2,5-anhydro-3-azido-1,3-dideoxy-1-(4-ethoxycarbonyl-phenylamino)-D-altritol 在
sodium ethanolate 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以86%的产率得到4-[((2R,3R,4S,5R)-3-Azido-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-ylmethyl)-amino]-benzoic acid ethyl ester