8-bromo-1-(2,2-difluoro-3-(methylamino)propyl)-7-(4-fluorobenzyl)-4-hydroxy-N-methyl-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxamide 、 8-chloro-1-(2,2-difluoro-3-(methylamino)propyl)-7-(4-fluorobenzyl)-4-hydroxy-N-methyl-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxamide 在
三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成
6,6-Difluoro-3-(4-fluorobenzyl)-11-hydroxy-N,4-dimethyl-9-oxo-4,5,6,7-tetrahydro-9H-[1,4]diazepino[3,2,1-de][1,5]naphthyridine-10-carboxamide