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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1389077Generated: October 31, 2026

Hydrochloric Acid → 3-Fluoro-4-(hexadecylamino)benzoic acid

https://huagongshe.com/reaction/1389077

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthanolHCID 702—
ReactantPotassium HydroxideHCID 14797—
ReactantEthyl 3-fluoro-4-(hexadecylamino)benzoateHCID 20536470—
SolventWaterHCID 962—
Product3-Fluoro-4-(hexadecylamino)benzoic acidHCID 20536410—

Reaction Steps

A solution of 3.8 g of potassium hydroxide in 15 ml of water is added to a mixture of 3.5 g of ethyl 3-fluoro-4-hexadecylaminobenzoate, 30 ml of water and 30 ml of ethanol. Upon heating, a clear solution is formed and after 20 hours, the hot solution is acidified with concentrated hydrochloric acid and cooled. The precipitate is collected and recrystallized from ethanol and then from chloroform to yield 3-fluoro-4-(hexadecylamino)benzoic acid as a colorless solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04243609
Source datasetuspto-grants-1981_01
ORD IDord-0a2ad3191c054eb68b80a13be2dee608
Source noteuspto-grants-1981_01