反应详情

A reaction similar to Example 1c was performed using the compound (200 mg, 0.783 mmol) obtained in Example 11b and 2-bromo-1-(3,4-dichlorophenyl)ethanone (210 mg, 0.783 mmol). As a result, the title compound (230 mg, 79%) wherein tert-butyl ester was hydrolyzed by hydrobromic acid produced under the reaction conditions was obtained as colorless crystals.

1. customA reaction similar to Example 1c