tert-butyl 6-morpholinopyridine-2-carboxylate 在
盐酸 、 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-(2-cyclopropyl-7-ethoxyimidazo[1,2-a]pyridin-6-yl)-6-morpholinopicolinamide