(5S,7S,8S,9S)-7-Benzyloxymethyl-8,9-dihydroxy-6-oxa-1,3-diaza-spiro[4.4]nonane-2,4-dione 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
55.0 ℃
、294.17 kPa
条件下,
以72%的产率得到<2S,3S,4S,5S>-3,4-Dihydroxy-2-hydroxymethyl-6,8-diaza-1-oxaspiro<4.4>nonane-7,9-dione