(4-chloro-5-methyl-3-oxazol-2-yl-pyrazol-1-yl)-acetic acid 、
4-(4-氯苯基)哌啶-4-甲腈 在
三乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N-甲基吡咯烷酮 为溶剂,
生成 1-[2-(4-chloro-5-methyl-3-oxazol-2-yl-pyrazol-1-yl)-acetyl]-4-(4-chloro-phenyl)-piperidine-4-carbonitrile