tert-butyl 4-((2S,3R,4R)-1-acetyl-4-((4-(methoxycarbonyl)phenyl)amino)-2,3-dimethyl-1,2,3,4-tetrahydroquinolin-6-yl)piperazine-1-carboxylic acid 在
氯化铵 、
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 0.52h,
以52 mg的产率得到tert-butyl 4-((2S,3R,4R)-1-acetyl-4-((4-carbamoylphenyl)amino)-2,3-dimethyl-1,2,3,4-tetrahydroquinolin-6-yl)piperazine-1-carboxylate