[[(3R)-4-[[3-[2-[2-[[(5S)-5-acetamido-6-[[6-[[(2R)-1-amino-1-oxo-3-sulfanylpropan-2-yl]amino]-6-oxohexyl]amino]-6-oxohexyl]amino]-2-oxoethyl]sulfanylethylamino]-3-oxopropyl]amino]-3-hydroxy-2,2-dimethyl-4-oxobutoxy]-hydroxyphosphoryl] [(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-3-phosphonooxyoxolan-2-yl]methyl hydrogen phosphate 、 在
triethylammonium carbonate buffer 作用下,
以20%的产率得到(2R)-4-[[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-3-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl]oxy-N-[3-[2-[2-[(5S)-6-[6-[(2R)-3-[[3-[6-[(2S)-5-carbamimidamido-1-[(2S)-5-carbamimidamido-1-[(2S)-5-carbamimidamido-1-[(2S)-5-carbamimidamido-1-[(2S)-5-carbamimidamido-1-[(2S)-5-carbamimidamido-1-[(2S)-5-carbamimidamido-1-[(2S)-5-carbamimidamido-1-[(2S)-5-carbamimidamido-1-[(2S)-5-carbamimidamido-1-hydroxy-1-iminopentan-2-yl]imino-1-hydroxypentan-2-yl]imino-1-hydroxypentan-2-yl]imino-1-hydroxypentan-2-yl]imino-1-hydroxypentan-2-yl]imino-1-hydroxypentan-2-yl]imino-1-hydroxypentan-2-yl]imino-1-hydroxypentan-2-yl]imino-1-hydroxypentan-2-yl]imino-1-hydroxypentan-2-yl]imino-6-hydroxyhexyl]imino-3-hydroxypropyl]disulfanyl]-1-hydroxy-1-iminopropan-2-yl]imino-6-hydroxyhexyl]imino-6-hydroxy-5-(1-hydroxyethylideneamino)hexyl]imino-2-hydroxyethyl]sulfanylethylimino]-3-hydroxypropyl]-2-hydroxy-3,3-dimethylbutanimidic acid