BOC-L-脯氨酸 、
(8S)-N-[[4-(aminomethyl)-3-isoquinolyl]methyl]-N-methyl-5,6,7,8-tetrahydroquinolin-8-amine 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
乙腈 为溶剂,
以63%的产率得到tert-butyl (S)-2-(((3-((methyl((S)-5,6,7,8-tetrahydroquinolin-8-yl)amino)methyl)isoquinolin-4-yl)methyl)carbamoyl)pyrrolidine-1-carboxylate