ethyl (3-((2S,4S,5S,7S)-5-azido-4-hydroxy-2-isopropyl-7-(4-methoxy-3-(3-methoxypropoxy)benzyl)-8-methylnonanamido)-2,2-dimethylpropyl)carbamate 在
palladium 10% on activated carbon 、
氢气 、
C.I.酸性橙108 作用下,
以
甲基叔丁基醚 为溶剂,
以87.5%的产率得到ethyl (3-((2S,4S,5S,7S)-5-amino-4-hydroxy-2-isopropyl-7-(4-methoxy-3-(3-methoxypropoxy)benzyl)-8-methylnonanamido)-2,2-dimethylpropyl)carbamate