Methyl (3S,6S)-1,2-bis(tert-butoxycarbonyl)-1,2,3,6-tetrahydro-6-(2`,3`,4`,6`-tetra-O-acetyl-β-D-glucopyranosyloxy)pyridazine-3-carboxylate 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
以87%的产率得到Methyl (3S,6S)-1,2-bis(tert-butoxycarbonyl)-1,2,3,4,5,6-hexahydro-6-(2`,3`,4`,6`-tetra-O-acetyl-β-D-glucopyranosyloxy)pyridazine-3-carboxylate