Hydrochloric Acid → HCID 19047214, compound

The methyl ester of 14-fluoro-2-tetradecenoic acid (3.3 g) was dissolved in methanol (20 ml), in which 10% palladium/carbon (0.9 g) was suspended, and a 10% methanolic hydrochloric acid solution (2 ml) was added. The mixture was stirred under hydrogen atmosphere for 12 hours. The reaction mixture was filtered, and a large amount of chloroform was added to the filtrate. The chloroform layer was washed with a saturated aqueous sodium hydrogen carbonate solution and water. The organic layer was dried and concentrated to give the methyl ester of 14-fluorotetradecanoic acid (2.5 g). The methyl ester (2.5 g) was dissolved in a solution of potassium hydroxide in ethanol-water (1:1), and the mixture was stirred at 80° C. for 30 minutes. The reaction mixture was acidified by adding citric acid and extracted with ethyl acetate. The ethyl acetate layer was dried over anhydrous sodium sulfate and concentrated to give 14-fluorotetradecanoic acid (2.3 g).

1. filtrationThe reaction mixture was filtered
2. additiona large amount of chloroform was added to the filtrate
3. washThe chloroform layer was washed with a saturated aqueous sodium hydrogen carbonate solution and water
4. customThe organic layer was dried
5. concentrationconcentrated

ORD record

ord-8d8a1979a6ba45fc9223a71b0005d2f2

Source dataset

uspto-grants-1997_05

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US05631238