methyl (1Z,2S,3E,7E,11Z,13R)-13-acetoxy-2,16-epoxy-16-oxocembra-1(15),3,7,11-tetraen-20-oate 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 3.0h,
以100 mg的产率得到(E)-(5R,15aS)-5-Acetoxy-3,10,14-trimethyl-2-oxo-2,4,5,6,7,8,9,10,11,12,13,15a-dodecahydro-1-oxa-cyclopentacyclotetradecene-6-carboxylic acid methyl ester