Nα-Fmoc-Ne-(thymin-1-ylacetyl)-L-2,6-hexanoic acid 、
N-alpha-芴甲氧羰基-N-epsilon-叔丁氧羰基-L-赖氨酸 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 、
溶剂黄146 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 0.58h,
以22%的产率得到(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-amino-6-[[2-(5-methyl-2,4-dioxopyrimidin-1-yl)acetyl]amino]hexanoyl]amino]hexanoyl]amino]-6-[[2-(5-methyl-2,4-dioxopyrimidin-1-yl)acetyl]amino]hexanoyl]amino]hexanoyl]amino]-6-[[2-(5-methyl-2,4-dioxopyrimidin-1-yl)acetyl]amino]hexanoyl]amino]hexanoyl]amino]-6-[[2-(5-methyl-2,4-dioxopyrimidin-1-yl)acetyl]amino]hexanoyl]amino]hexanoyl]amino]-6-[[2-(5-methyl-2,4-dioxopyrimidin-1-yl)acetyl]amino]hexanoyl]amino]hexanoyl]amino]-6-[[2-(5-methyl-2,4-dioxopyrimidin-1-yl)acetyl]amino]hexanoyl]amino]hexanamide