dimethyl 4-(2',3',4',6'-tetra-O-benzyl-α-D-glucopyranosyl)-5-phenylpyridazine-3,6-dicarboxylate 在
palladium on activated charcoal
氢气 、
锌 作用下,
以
甲醇 、
溶剂黄146 为溶剂,
反应 1.5h,
生成 methyl (2R,3S,4S,4aR,9bR)-3,4-dihydroxy-2-(hydroxymethyl)-6-oxo-9-phenyl-2,3,4,4a,7,9b-hexahydro-2H-pyrano[2',3':5,6]pyrano[3,4-b]pyrrole-8-carboxylate