Phenol → 2-Methyl-4-phenoxy-8-bromo-quinoline

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Part B: A mixture of 5.0 g (19.5 mmol) of 2-methyl-4-chloro-8-bromo-quinoline, 18.3 g (195 mmol) of phenol and 2.5 g (87%, 39 mmol) of KOH was heated at 120° C. under nitrogen for 30 min. After cooling 500 ml of CH2Cl2 was added and the mixture was extracted with 250 ml of 1N NaOH. After concentration of the organic layer in vacuo the residue was dissolved in ether and again extracted with 50 ml of 1N NaOH and 50 ml of brine. The organic layer was dried over magnesium sulphate and concentrated in vacuo. A total of 5.2 g of 2-methyl-4-phenoxy-8-bromo-quinoline was obtained as a white solid (85% yield).

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