Ac-Leu-Val-Pro-Ser-Ile-Gln-Asp-Asp-Gly-SBn 、 在
苯硫酚 作用下,
以
phosphate buffer 为溶剂,
反应 20.0h,
以56%的产率得到(2S,3S)-2-[[(2S)-2-[[(4R,7S,10S,16S,19R)-4-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-acetamido-4-methylpentanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-methylpentanoyl]amino]-5-amino-5-oxopentanoyl]amino]-3-carboxypropanoyl]amino]-3-carboxypropanoyl]amino]acetyl]amino]-7-(2-carboxyethyl)-10-(hydroxymethyl)-16-methyl-5,8,11,14,17-pentaoxo-1-thia-2-selena-6,9,12,15,18-pentazacycloicosane-19-carbonyl]amino]-6-aminohexanoyl]amino]-3-methylpentanoic acid