ent-benzyl lasalocid A 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
反应 12.0h,
以96%的产率得到6-{(3S,4R,5R,7S)-7-[(2R,3R,5R)-5-Ethyl-5-((2S,5S,6R)-5-ethyl-5-hydroxy-6-methyl-tetrahydro-pyran-2-yl)-3-methyl-tetrahydro-furan-2-yl]-4-hydroxy-3,5-dimethyl-6-oxo-nonyl}-2-hydroxy-3-methyl-benzoic acid