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-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-yloxy]-tetrahydro-pyran-4-yl ester 在
lithium hydroxide 、
双氧水 作用下,
以
四氢呋喃 、
水 为溶剂,
以80%的产率得到2-[(2R,3R,4R,5S,6R)-4-Benzyloxy-6-benzyloxymethyl-5-((2S,3R,4S,5R,6R)-3,5-bis-benzyloxy-4-hydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-2-(4-methoxy-benzyloxy)-tetrahydro-pyran-3-yl]-isoindole-1,3-dione