dimethyl,3β-O-(methyl-2',3'-di-O-acetyl-4'-desoxy-β-D-galactopyranosyluronate),2β-O-acetyl-olean-12-ene-23,28-dioate 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
以47 mg的产率得到dimethyl,3β-O-(methyl-2',3'-di-O-acetyl-4'-desoxy-β-D-galactopyranosyluronate),2β,16α-di-O-acetyl-olean-12-ene-23,28-dioate