(S)-3-(4-hydroxyphenyl)-2-(carbobenzyloxyamino)-N-((3R,4S,6S,7R,8S,9R,11S)-3,4,7,8-tetrahydroxy-11-(carbobenzyloxyamino)-1-oxaspiro[5.5]undecan-9-yl)propaneamide 在
palladium 10% on activated carbon 、
氢气 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以35%的产率得到(S)-2-amino-N-((3R,4S,6S,7R,8S,9R,11S)-11-amino-3,4,7,8-tetrahydroxy-1-oxaspiro[5.5]undecan-9-yl)-3-(4-hydroxyphenyl)propanamide