苯甲氧羰酰琥珀酰亚胺 、
2"-O-phenylethylaminoethyl-penta-N-benzyloxycarbonyl-3',4'-dideoxy-N-1-haba paromomycin 在
碳酸氢钠 作用下,
以
1,4-二氧六环 、
水 为溶剂,
反应 6.0h,
以56%的产率得到benzyl N-[2-[(2S,3R,4R,5R)-4-[(2R,3R,4R,5S,6S)-4,5-dihydroxy-3-(phenylmethoxycarbonylamino)-6-(phenylmethoxycarbonylaminomethyl)oxan-2-yl]oxy-2-[(1R,2S,3R,5S,6R)-2-hydroxy-6-[(2R,3R,6S)-6-(hydroxymethyl)-3-(phenylmethoxycarbonylamino)oxan-2-yl]oxy-3-[[(2S)-2-hydroxy-4-(phenylmethoxycarbonylamino)butanoyl]amino]-5-(phenylmethoxycarbonylamino)cyclohexyl]oxy-5-(hydroxymethyl)oxolan-3-yl]oxyethyl]-N-(2-phenylethyl)carbamate