propioloyl-Gly-Ser-Thr-Ala-OH 、
N-(2-azidoethyl)-3-[[3-(2-azidoethylamino)-3-oxopropyl]-[2-[bis[3-(2-azidoethylamino)-3-oxopropyl]amino]ethyl]amino]propanamide 在
copper(II) sulfate 、
sodium ascorbate 作用下,
以
水 、
叔丁醇 为溶剂,
反应 2.0h,
以75%的产率得到(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[2-[[[1-[2-[[3-[2-[bis[3-[2-[4-[N-[2-[(2S)-1-[(2S,3R)-1-[(1S)-1-carboxyethyl]imino-1,3-dihydroxybutan-2-yl]imino-1,3-dihydroxypropan-2-yl]imino-2-hydroxyethyl]-C-hydroxycarbonimidoyl]triazol-1-yl]ethylimino]-3-hydroxypropyl]amino]ethyl-[3-[2-[4-[N-[2-[(2S)-1-[(2S,3R)-1-[(1S)-1-carboxyethyl]imino-1,3-dihydroxybutan-2-yl]imino-1,3-dihydroxypropan-2-yl]imino-2-hydroxyethyl]-C-hydroxycarbonimidoyl]triazol-1-yl]ethylimino]-3-hydroxypropyl]amino]-1-hydroxypropylidene]amino]ethyl]triazol-4-yl]-hydroxymethylidene]amino]-1-hydroxyethylidene]amino]-1,3-dihydroxypropylidene]amino]-1,3-dihydroxybutylidene]amino]propanoic acid