(2S,3S,4S,5R,6R)-5-Benzyloxy-6-((2R,3R,4S,5R)-4,6-diacetoxy-2-acetoxymethyl-5-benzyloxy-tetrahydro-pyran-3-yloxy)-4-methoxy-3-(4-oxo-pentanoyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
哌啶 作用下,
以
四氢呋喃 为溶剂,
反应 16.0h,
生成 (2S,3S,4S,5R,6R)-6-((2R,3R,4S,5R)-4-Acetoxy-2-acetoxymethyl-5-benzyloxy-6-hydroxy-tetrahydro-pyran-3-yloxy)-5-benzyloxy-4-methoxy-3-(4-oxo-pentanoyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester