2-hydroxy-2-methylpentanoic acid (2-bromo-6-methoxypyridin-4-yl)amide 在
氢溴酸 乙酸乙酯 、
水 、
Sodium sulfate-III 、 silica gel 、 ethyl acetate heptane 作用下,
以
溶剂黄146 为溶剂,
反应 6.0h,
以2-hydroxy-2-methyl-pentanoic acid (6-bromo-2-oxo-1,2-dihydro-pyridin-4-yl)-amide was obtained in the form of a white solid的产率得到2-hydroxy-2-methylpentanoic acid (6-bromo-2-oxo-1,2-dihydro-pyridin-4-yl)amide