(2R,5R,6S,8R,10R)-6-phenylmethoxy-3,9,14,21-tetraoxatetracyclo[14.2.2.12,5.08,10]henicosa-1(19),16(20),17-trien-15-one 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
以97%的产率得到4-Methyl-benzoic acid (R)-4-hydroxy-4-((2S,4S,5R)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-butyl ester