Acetic acid (2S,3R,4R,5S,6R)-5-((2S,3R,4S,5S,6R)-4-acetoxy-6-acetoxymethyl-3,5-bis-benzyloxy-tetrahydro-pyran-2-yloxy)-4-benzyloxy-6-benzyloxymethyl-3-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-tetrahydro-pyran-2-yl ester 在
乙酸肼 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以86%的产率得到Acetic acid (2R,3S,4S,5R,6S)-2-acetoxymethyl-3,5-bis-benzyloxy-6-[(2R,3S,4R,5R,6R)-4-benzyloxy-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-6-hydroxy-tetrahydro-pyran-3-yloxy]-tetrahydro-pyran-4-yl ester