2-(2-azaspiro[3.3]heptan-2-yl)ethanamine 、 5-(2-(1-(2-methoxyethyl)-1H-pyrazol-4-yl)pyrazolo[5,1-b]thiazole-7-carboxamido)-6-methylnicotinic 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
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
生成 N-(5-((2-(2-azaspiro[3.3]heptan-2-yl)ethyl)carbamoyl)-2-methylpyridin-3-yl)-2-(1-(2-methoxyethyl)-1H-pyrazol-4-yl)pyrazolo[5,1-b]thiazole-7-carboxamide