反应详情

A solution of 3-bromo-4-methoxyphenylacetic acid (3.0 g, 12.2 mmol) in EtOH and sulfuric acid was stirred at 100° C. for 2 hours. The mixture was concentrated and partitioned between EtOAc and H2O, and the organic layer was separated to give the title compound.

1. concentrationThe mixture was concentrated
2. custompartitioned between EtOAc and H2O
3. customthe organic layer was separated