Hydrochloric Acid → 3-{4-[1-Allyl-1-(2,6-dimethyl-4'-trifluoromethyl-biphenyl-4-yloxymethyl)-but-3-enyl]-benzoylamino}-propionic acid

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A solution of 3-{4-[1-allyl-1-(2,6-dimethyl-4′-trifluoromethyl-biphenyl-4-yloxymethyl)-but-3-enyl]-benzoylamino}-propionic acid methyl ester (0.0438 g, 0.0756 mmol) in THF (1.0 mL) is treated with 1N LiOH (1.0 mL) and stirred overnight at room temperature. The reaction mixture is acidified with 1N HCl (1.1 mL), diluted with water (5 mL), and extracted with EtOAc (3×10 mL). The combined extracts are dried over MgSO4, filtered, and concentrated to provide 0.0105 g (24%) of the title compound as a white solid. MS (ES): 566.4 [M+H]+.

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