{3-[(2'-{2-[(S)-2-((2S,3S,4R)-4-tert-Butoxycarbonylamino-3-hydroxy-2-methyl-pentanoylamino)-butyrylamino]-ethyl}-[2,4']bithiazolyl-4-carbonyl)-amino]-propyl}-dimethyl-sulfonium; iodide 在
盐酸 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
乙酸乙酯 、
N,N-二甲基甲酰胺 为溶剂,
反应 9.5h,
生成
[3-({2'-[2-((S)-2-{(2S,3S,4R)-4-[(2S,3R)-2-tert-Butoxycarbonylamino-3-hydroxy-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoylamino}-butyrylamino)-ethyl]-[2,4']bithiazolyl-4-carbonyl}-amino)-propyl]-dimethyl-sulfonium