2-[(1S,2S,3S,4R,5R)-6-benzyloxy-2-hydroxy-4-(4-methoxybenzyloxy)-1,3,5-trimethylhexyl]-6-ethyl-3,5-dimethyl-4H-4-pyranone 在
氢气 、
镍 作用下,
以
乙醇 为溶剂,
反应 5.0h,
以90%的产率得到2-[(1S,2S,3S,4R,5R)-2,6-dihydroxy-4-(4-methoxybenzyloxy)-1,3,5-trimethylhexyl]-6-ethyl-3,5-dimethyl-4H-4-pyranone