2-(5-(thiophen-2-yl)pyrazolo[1,5-a]pyrimidin-3-yl)isonicotinic acid 、
(2S)-N1,N1-diethyl-1,2-propanediamine 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,
生成 N-[(2S)-1-(diethylamino)propan-2-yl]-2-(5-thiophen-2-ylpyrazolo[1,5-a]pyrimidin-3-yl)pyridine-4-carboxamide