Water → Methyl 3'-acetyl-5'-chloro-3-fluoro-2'-methoxy-6'-methylbiphenyl-4-carboxylate

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A mixture of 1-(3-bromo-5-chloro-2-methoxy-4-methylphenyl)ethanone (1.0 g, 3.6 mmol) and [3-fluoro-4-(methoxycarbonyl)phenyl]boronic acid (0.85 g, 4.3 mmol) in 1,4-dioxane (12 mL) and 10% sodium carbonate in water (5.73 mL, 5.40 mmol) was bubbled with N2 to degas. After tetrakis(triphenylphosphine)palladium(0) (166 mg, 0.144 mmol) was added, the mixture was bubbled with N2 for 5 min. more and heated at 100° C. overnight. The mixture was cooled to room temperature and diluted with ethyl acetate. The layers were separated and the aq. layer was extracted with more ethyl acetate. The combined extracts were washed with brine, dried over Na2SO4, filtered, and concentrated to give crude product.

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