反应详情

Treatment of 2,4-dichloro-2′-fluoro-6′-methoxybiphenyl (5.0 g, 18.4 mmol) with hydrogen bromide (33% in acetic acid, 100 mL) according to the procedure described for Example 69, Step 2 provided 4.2 g (89%) of 2′,4′-dichloro-6-fluorobiphenyl-2-ol as a light brown oil.