(S)-3-amino-N-((1R,2S,3S,4R,5S)-5-amino-4-((2R,3R,6S)-3-amino-6-(((R)-2,3-dihydroxypropylamino)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-hydroxypropanamide pentatrifluoroacetate 在
Amberlite IRA 400 resin (OH form) 作用下,
以
水 为溶剂,
以84%的产率得到(S)-3-amino-N-((1R,2S,3S,4R,5S)-5-amino-4-((2R,3R,6S)-3-amino-6-(((R)-2,3-dihydroxypropylamino)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-hydroxypropanamide