Potassium Hydroxide → (2S,4R)-(4-{4-[Acetyl-(4-chloro-phenyl)-amino]-2-methyl-3,4-dihydro-2H-quinoline-1-carbonyl}-phenoxy)-fluoro-acetic acid

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Reaction Steps

(2S,4R)-(4-{4-[Acetyl-(4-chloro-phenyl)-amino]-2-methyl-3,4-dihydro-2H-quinoline-1-carbonyl}-phenoxy)-fluoro-acetic acid ethyl ester (100 mg) was dissolved in methanol/THF (1:1, 5 mL), and potassium hydroxide (1.0N, 1 mL) was added. After 1 hour, the reaction was acidified and extracted with methylene chloride. The organic layer was dried, filtered, and concentrated. The crude residue was purified by silica gel chromatography 100% ethyl acetate to 5% methanol/ethyl acetate gradient to afford the product.

Provenance & Evidence