[(2R,4S)-4-Azido-2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-ylmethyl)-pyrrolidin-1-yl]-acetic acid ethyl ester 在
palladium on activated charcoal
sodium hydroxide 、
氢气 作用下,
以
1,4-二氧六环 、
甲醇 、
水 为溶剂,
生成 [(2R,4S)-4-tert-Butoxycarbonylamino-2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-ylmethyl)-pyrrolidin-1-yl]-acetic acid