2,2-Dimethyl-propionic acid (2R,3R,4R,5R)-4-chloro-2-(2,2-dimethyl-propionyloxymethyl)-5-(5-hydroxy-5-methyl-2,4-dioxo-tetrahydro-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 在
palladium on activated charcoal
氢气 作用下,
生成 2,2-Dimethyl-propionic acid (2R,3S,5R)-2-(2,2-dimethyl-propionyloxymethyl)-5-(5-hydroxy-5-methyl-2,4-dioxo-tetrahydro-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester