(2R,3S,4S,5R,6R)-3-((2R,3R,4R,5S,6R)-6-Acetoxymethyl-3-azido-4,5-bis-benzyloxy-tetrahydro-pyran-2-yloxy)-4-benzyloxy-6-[5-(2-benzyloxycarbonylamino-ethylsulfanyl)-pentyloxy]-5-(2,2-dimethyl-propionyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
lithium hydroxide 、
双氧水 、
氢氧化钾 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 32.0h,
以73%的产率得到(2R,3S,4R,5R,6R)-3-((2R,3R,4R,5S,6R)-3-Azido-4,5-bis-benzyloxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-4-benzyloxy-6-[5-(2-benzyloxycarbonylamino-ethanesulfonyl)-pentyloxy]-5-hydroxy-tetrahydro-pyran-2-carboxylic acid