Hydrochloric Acid → HCID 64853602, compound

To a solution of sodium hydroxide (3.2 g, 79 mmol) in water (16 mL) was added 2-fluoro-5-methylphenol (5.0 g, 40 mmol) at room temperature. After the solution was stirred for 5 minutes, 3-iodopropionic acid (7.9 g, 40 mmol) was added to the pale yellow solution, and the mixture was refluxed with stirring for 18 hours. The mixture was cooled to room temperature, poured into 2M hydrochloric acid aqueous solution (100 mL) at 0° C., and extracted with ethyl acetate (60 mL×2). The combined extracts were washed with brine, dried over magnesium sulfate, and concentrated in vacuum. The residue was purified by column chromatography on silica gel (gradient elution from hexane/ethyl acetate 3:1 to ethyl acetate only). The resulted pale yellow solid was triturated with hexane, collected by filtration, and dried in vacuum to afford the title compound as a pale yellow solid (2.45 g, 31%).

1. temperaturethe mixture was refluxed
2. stirringwith stirring for 18 hours
3. extractionextracted with ethyl acetate (60 mL×2)
4. washThe combined extracts were washed with brine
5. dry with materialdried over magnesium sulfate
6. concentrationconcentrated in vacuum
7. customThe residue was purified by column chromatography on silica gel (
8. washgradient elution from hexane/ethyl acetate 3:1 to ethyl acetate only)
9. customThe resulted pale yellow solid was triturated with hexane
10. filtrationcollected by filtration
11. customdried in vacuum

ORD record

ord-0ac8ad62fcd04e8ea69643a8e987bd08

Source dataset

uspto-grants-2010_05

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US07723321B2