疊氮乙酸 、
biotinyl-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Glu-Arg-Tyr(prop-2-ynyl)(prop-2-ynyl)-OH 在
disodium hydrogenphosphate 、
copper(ll) sulfate pentahydrate 、
盐酸胍 、
三(2-羰基乙基)磷盐酸盐 作用下,
以
水 为溶剂,
反应 1.0h,
以52%的产率得到(4S)-4-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-[[(2S)-5-carbamimidamido-1-[[(1S)-1-carboxy-2-[4-[[1-(carboxymethyl)triazol-4-yl]methoxy]phenyl]ethyl]amino]-1-oxopentan-2-yl]amino]-5-oxopentanoic acid