H-Y-E(O-tBu)-L-NH2 、
4-[7-(3-carboxy-propoxy)quinolin-2-yloxy]butyryl-Val-Leu-Val-OMe 在
O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 、
三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 24.0h,
以63%的产率得到tert-butyl (4S)-5-[[(1S)-1-carbamoyl-3-methyl-butyl]amino]-4-[[(2S)-3-(4-hydroxyphenyl)-2-[4-[[2-[4-[[(1S)-1-[[(1S)-1-[[(1S)-1-methoxycarbonyl-2-methyl-propyl]carbamoyl]-3-methyl-butyl]carbamoyl]-2-methyl-propyl]amino]-4-oxo-butoxy]-7-quinolyl]oxy]butanoylamino]propanoyl]amino]-5-oxo-pentanoate