4-(2-fluoro-6-methylphenyl)piperidine 、 6-(1-tert-butoxycarbonyl-2,5-dihydro-1H-pyrrol-3-yl)-pyridine-2-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,
以91%的产率得到3-{6-[4-(2-fluoro-6-methyl-phenyl)-piperidine-1-carbonyl]-pyridin-2-yl}-2,5-dihydro-pyrrole-1-carboxylic acid tert-butyl ester