560082-53-3
6-溴-8-氟-2H-苯并[b][1,4]恶嗪-3(4H)-酮
+
73183-34-3
联硼酸频那醇酯
→
~98%
943994-40-9
8-fluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4H-1,4-benzoxazin-3-one