ethyl 3-({[2-(1-naphthyl)ethyl]sulfonyl}amino)benzoate 、
苄胺 在
N,N-二异丙基乙胺 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 3.0h,
以86%的产率得到N-[(1S,2S,4R)-5-({(1S)-1-[(benzylamino)carbonyl]propyl}amino)-2-hydroxy-1-isobutyl-4-methyl-5-oxopentyl]-3-[(benzylsulfonyl)(methyl)amino]benzamide