Piperidine-1,4,4-tricarboxylic acid diethyl ester (1R,2R)-2-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-cyclohexyl ester 在
palladium on activated charcoal
sodium hydroxide 、
氢气 作用下,
生成 1-[(1R,2R)-2-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxycyclohexyl]oxycarbonylpiperidine-4,4-dicarboxylic acid