(S)-2-amino-4-methyl-N-((S)-3-oxo-1-((S)-2-oxopyrrolidin-3-yl)-4-(2,3,5,6-tetrafluorophenoxy)butan-2-yl)pentanamide hydrochloride 、
(S)-2-oxo-2-((1,2,3,4-tetrahydronaphthalen-1-yl)amino)acetic acid 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
N,N-二甲基甲酰胺 为溶剂,
以0.125 g的产率得到N
1-((S)-4-methyl-1-oxo-1-(((S)-3-oxo-1-((S)-2-oxopyrrolidin-3-yl)-4-(2,3,5,6-tetrafluorophenoxy)butan-2-yl)amino)pentan-2-yl)-N
2-((S)-1,2,3,4-tetrahydronaphthalen-1-yl)oxalamide