2-(aminomethyl)-5-fluoro-N-methylbenzamide hydrochloride 在
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 、
4-二甲氨基吡啶 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 16.33h,
以54%的产率得到N-[[4-fluoro-2-(methylcarbamoyl)phenyl]methyl]-4-oxo-3-phenylmethoxyspiro[6,7-dihydropyrimido[2,1-c][1,4]oxazine-9,1'-cyclobutane]-2-carboxamide