4-(isoquinoline-1-yloxy)-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 、 (1R,2S)-1-amino-N-(1-benzylcyclopropyl)sulfonyl-2-ethenylcyclopropane-1-carboxamide;hydrochloride 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 4.5h,
以87.1%的产率得到tert-butyl (2S,4R)-2-[[(1R,2S)-1-[(1-benzylcyclopropyl)sulfonylcarbamoyl]-2-ethenylcyclopropyl]carbamoyl]-4-isoquinolin-1-yloxypyrrolidine-1-carboxylate