(S)-cyclobutyl(3-fluorophenyl)methylamine hydrochloride 、
4-chloro-2-methyl-6-oxo-1-propyl-1,6-dihydro-pyridine-3-carboxylic acid 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
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以78%的产率得到4-chloro-2-methyl-6-oxo-1-propyl-1,6-dihydro-pyridine-3-carboxylic acid [(S)-cyclobutyl-(3-fluoro-phenyl)-methyl]-amide