(S)-3-(4-hydroxyphenyl)-2-(carbobenzyloxyamino)-N-((1R,2S,3R,5S,6S,9R,10S)-1,2,9,10-tetrahydroxy-5-(carbobenzyloxyamino)-7-oxaspiro[5.6]dodecan-3-yl)propanamide 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-((1R,2S,3R,5S,6S,9R,10S)-5-amino-1,2,9,10-tetrahydro-xy-7-oxaspiro[5.6]dodecan-3-yl)-3-(4-hydroxyphenyl)propanamide