4-((2R,3S,4R,5S,6R)-3-Acetylamino-4,5-bis-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-2,3-dihydroxy-butyric acid (2R,3R,4R,5R)-3,4-bis-benzyloxy-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester 在
palladium on activated charcoal
氢气 作用下,
以
四氢呋喃 为溶剂,
反应 20.0h,
以100%的产率得到4-((2R,3R,4R,5S,6R)-3-Acetylamino-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yl)-2,3-dihydroxy-butyric acid (2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethyl ester