(S)-1-(3-(2-cyclopropylpyridin-4-yl)-1,2,4-oxadiazol-5-yl)ethan-1-amine 、
2-cyclopentylpyrazole-3-carboxylic acid 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以8%的产率得到2-cyclopentyl-N-[(1S)-1-[3-(2-cyclopropylpyridin-4-yl)-1,2,4-oxadiazol-5-yl]ethyl]pyrazole-3-carboxamide