dimethyl 4-phenyl-3-(2',3',5'-tri-O-benzyl-α-D-ribofuranosyl)-1H-pyrrole-2,5-dicarboxylate 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以78%的产率得到(2R,3R,3aR,8bR)-7-methoxycarbonyl-3-hydroxy-2-(hydroxymethyl)-5-oxo-8-phenyl-2,3,3a,6,8b-hexahydrofuro[2',3':5,6]pyrano[3,4-b]pyrrole