2-(1-(叔丁氧羰基)-4-氟哌啶-4-基)乙酸 、 8-[(3R,4R)-3-amino-4-methylpyrrolidin-1-yl]quinoxaline-5-carbonitrile 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
二氯甲烷 为溶剂,
反应 16.0h,
以30%的产率得到tert-butyl 4-([[(3R,4R)-1-(8-cyanoquinoxalin-5-yl)-4-methylpyrrolidin-3-yl]carbamoyl]methyl)-4-fluoropiperidine-1-carboxylate