Hydrochloric Acid → 6-(4-Fluorobenzyl)-4-methoxy-5-oxo-5,6,7,8-tetrahydro-2,6-naphthyridine-1-carboxylic acid

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Reaction Steps

To a solution of ethyl 6-(4-fluorobenzyl)-4-methoxy-5-oxo-5,6,7,8-tetrahydro-2,6-naphthyridine-1-carboxylate (1.21 g, 3.38 mmol) in methanol (5 mL) and water (5 mL) and THF (5 mL) was added lithium hydroxide (0.425 g, 10.13 mmol). After 5 minutes, 1N HCl (3 equiv.) was added to the product mixture, which was then dried under vacuum to provide the crude title compound.

Provenance & Evidence