tert-butyl (2R,3R,6S)-2-((1R,2S,3S,4R,6S)-3-((2R,3R,4R,5R)-4-((methyl)tert-butoxycarbonylamino)-3,5-dihydroxy-5-methyltetrahydro-2H-pyran-2-yloxy)-6-(tert-butoxycarbonylamino)-4-((S)-4-(tert-butoxycarbonylamino)-2-hydroxybutanamido)-2-hydroxycyclohexyloxy)-6-((2-hydroxyethylamino)methyl)tetrahydro-2H-pyran-3-ylcarbamate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以70%的产率得到(S)-4-amino-N-((1R,2S,3S,4R,5S)-5-amino-4-((2R,3R,6S)-3-amino-6-((2-hydroxyethylamino)methyl)tetrahydro-2H-pyran-2-yloxy)-2-((2R,3R,4R,5R)-3,5-dihydroxy-5-methyl-4-(methylamino)tetrahydro-2H-pyran-2-yloxy)-3-hydroxycyclohexyl)-2-hydroxy butanamide