反应详情

In analogy to Example 1, step 2, 6-[2-(4-bromo-2-chloro-phenyl)-acetyl]-4-methyl-4H-benzo[1,4]oxazin-3-one was reacted with sodium hydride and methyl iodide to give the title compound as an off-white solid. MS (m/e, ISP neg. ion)=406.1 [M−H+].