Sodium Hydroxide → HCID 56959485, compound

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A mixture of methyl 4-(8-fluoro-6-hydroxyquinolin-2-yl)benzoate and methyl 4-(6-acetoxy-8-fluoroquinolin-2-yl)benzoate (120 mg) was hydrolyzed with 2N NaOH (4 mL) in MeOH (4 mL). The desired product-4-(8-fluoro-6-hydroxyquinolin-2-yl)benzoic acid (65 mg) was collected by filtration after acidification with 12N HCl. 1H NMR (DMSO-d6 300 MHz TMS): δ 8.36-8.33 (3H, m), 8.18 (1H, d, J=9 Hz), 8.09 (2H, d, J=9 Hz), 7.24 (1H, dd, J=12 and 3 Hz), 7.09 (1H, d, J=3 Hz) ppm, MS (ESI): m/z 284, [M+H+].

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