Ethanol → Methyl 3-(4-((2'-ethoxybiphenyl-3-yl)methoxy)phenyl)propanoate

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A mixture of methyl 3-[4-[(3-bromobenzyl)oxy]phenyl]propanoate (0.30 g, 0.86 mmol), 2-ethoxyphenylboronic acid (0.16 g, 0.95 mmol), tetrakistriphenylphosphine palladium (40 mg, 0.034 mmol), 2N potassium carbonate aqueous solution (0.3 mL), ethanol (0.3 mL) and toluene (3 mL) was heated under reflux overnight under an argon atmosphere. The reaction mixture was cooled, diluted with ethyl acetate, washed with water, dried, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (hexane/ethyl acetate=10/1-2/1) to give methyl 3-(4-((2′-ethoxybiphenyl-3-yl)methoxy)phenyl)propanoate (0.21 g, 63%) as a colorless oil.

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