(2S)-6-amino-2-[[(2S)-1-[2-[[(2S)-5-amino-2-[[(2S)-2-[[2-[[(2S,4R)-6-amino-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S,3S)-2-[[2-[[(2S,4R)-1-[(2S)-2-[(2-aminoacetyl)amino]-4-carboxybutanoyl]-4-hydroxypyrrolidine-2-carbonyl]amino]acetyl]amino]-3-methylpentanoyl]amino]propanoyl]amino]acetyl]amino]-3-phenylpropanoyl]amino]-4-[(2R,3R,4S,5S,6R)-3,4,5-tris(2,2-dimethylpropanoyloxy)-6-(2,2-dimethylpropanoyloxymethyl)oxan-2-yl]oxyhexanoyl]amino]acetyl]amino]-4-carboxybutanoyl]amino]-5-oxopentanoyl]amino]acetyl]pyrrolidine-2-carbonyl]amino]hexanoic acid 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 16.0h,
以27.5 mg的产率得到Gly-Glu-Hyp-Gly-Ile-Ala-Gly-Phe-(Gal)(4R)Hyl-Gly-Glu-Gln-Gly-Pro-Lys