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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 49954Generated: October 27, 2026

Hydrochloric Acid → 2-Fluoro-5-(trifluoromethyl)aniline

https://huagongshe.com/reaction/49954

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDiethyl EtherHCID 3283—
Reactant4-Fluoro-3-nitrobenzotrifluorideHCID 67778—
ReactantSodium BicarbonateHCID 516892—
CatalystIronHCID 23925—
SolventMethanolHCID 887—
Product2-Fluoro-5-(trifluoromethyl)anilineHCID 13634982%

Reaction Steps

Twenty grams of 3-nitro-4-fluorobenzotrifluoride was dissolved in 50 ml of methanol. An iron powder (16 g) was added and concentrated hydrochloric acid was added dropwise with stirring. The reaction mixture was stirred overnight, followed by addition of sodium bicarbonate for neutralization. Then diethyl ether was added, and the insolubles were filtered off with cerite. The ether phase was separated, dried and concentrated under reduced pressure, giving 14 g of the contemplated product (yield 82%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06710062B1
Source datasetuspto-grants-2004_03
ORD IDord-67f0e5b6c7a5411682cf7addfc7c992c
Source noteuspto-grants-2004_03