4-oxo-6-(3-(trifluoromethyl)phenyl)-3,4-dihydroquinazoline-7-carboxylic acid 、
2-((4-(trifluoromethyl)benzyl)oxy)ethylamine 在
N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
四氢呋喃 为溶剂,
以90%的产率得到4-oxo-N-(2-((4-(trifluoromethyl)benzyl)oxy)ethyl)-6-(3-(trifluoromethyl)phenyl)-3,4-dihydroquinazoline-7-carboxamide