4-chloro-3-cyano-5-methyl-1H-pyrrole-2-carboxylic acid 、 ethyl (3S,4R)-4-amino-3-methoxypiperidine-1-carboxylate ((1R,4S)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate 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 0.08h,
生成
ethyl (3S,4R)-4-{[(4-chloro-3-cyano-5-methyl-1H-pyrrol-2-yl)carbonyl]amino}-3-methoxypiperidine-1-carboxylate