[(2S,3R,4R,5S,6R)-4-Benzyloxy-6-benzyloxymethyl-5-((2S,3R,4S,5R,6R)-3,4-bis-benzyloxy-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-2-methoxy-tetrahydro-pyran-3-yl]-carbamic acid benzyl ester 在
4-二甲氨基吡啶 作用下,
以
四氢呋喃 、
吡啶 为溶剂,
反应 33.0h,
生成 4-Oxo-pentanoic acid (2R,3R,4S,5R,6S)-4,5-bis-benzyloxy-6-((2R,3S,4R,5R,6S)-4-benzyloxy-5-benzyloxycarbonylamino-2-benzyloxymethyl-6-methoxy-tetrahydro-pyran-3-yloxy)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-pyran-3-yl ester