反应详情

A solution of methyl 2-amino-5-bromo-3-methylbenzoate (5 g, 20.4 mmol) in benzyl alcohol (4.43 g, 40.9 mmol) and sodium methoxide (0.37 g, 2.04 mmol, 30% in methanol) was refluxed in xylene (10 ml) for 5 hours. Then, water was added, the phases were separated and the combined organic solvents were removed in vacuo. The residue was purified by column chromatography to obtain benzyl 2-amino-5-bromo-3-methylbenzoate (3.40 g, 43.3% of theory, 83.6 area % GC) as a pale brown solid.

1. customthe phases were separated
2. customthe combined organic solvents were removed in vacuo
3. customThe residue was purified by column chromatography