methyl (4S,7S)-6,10-dioxo-4-(5-(4-(6-(2-((S)-pyrrolidin-2-yl)-1H-imidazol-5-yl)quinoxalin-2-yl)phenyl)-1H-imidazol-2-yl)octahydro-1H-pyridazino[1,2-a][1,2]diazepin-7-ylcarbamate 、
MOC-L-缬氨酸 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,
反应 1.0h,
以53.1%的产率得到((4S,7S)-4-{5-[4-(6-{2-[(S)-1-((S)-2-methoxycarbonylamino-3-methylbutyryl)pyrrolidin-2-yl]-3H-imidazol-4-yl}quinoxalin-2-yl)phenyl]-1H-imidazol-2-yl}-6,10-dioxooctahydropyridazino[1,2-a][1,2]diazepin-7-yl)carbamic acid methyl ester