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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 73421Generated: October 24, 2026

Ethyl Acetate → 3,5,6-trifluoro-N1-(2-fluoro-4-iodophenyl)benzene-1,2-diamine

https://huagongshe.com/en/reaction/73421

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantAmmonium ChlorideHCID 25517—
Reactant2,3,5-trifluoro-N-(2-fluoro-4-iodophenyl)-6-nitroanilineHCID 57430072—
CatalystIronHCID 23925—
SolventEthanolHCID 702—
Product3,5,6-trifluoro-N1-(2-fluoro-4-iodophenyl)benzene-1,2-diamineHCID 5938634366.4%

Reaction Steps

To the stirred solution of (2-fluoro-4-iodo-phenyl)-(2,3,5-trifluoro-6-nitro-phenyl)-amine 3 (5.2 gm, 12.62 mmol) in EtOH (200 ml), ammonium chloride (10.12 gm, 189.3 mmol) and iron powder (10.57 gm, 189.3 mmol) was added. This reaction mixture was kept stirring at reflux for 16 hours. Reaction mixture was allowed to cool and was filtered over celite and concentrated to dryness. The residue obtained was taken into EtOAc and was washed with water. The EtOAc layer was dried over sodium sulfate and further purified by crystallization from EtOH to provide off-white solid (3.2 gm, yield: 66.39%). M−H+: 381.1. 1H NMR (DMSO, 300 MHz): 5.0 (s, 2H); 6.2 (t, 1H); 7.2-7.3 (m, 2H); 7.45 (s, 1H); 7.5 (d, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08829052B2
Source datasetuspto-grants-2014_09
ORD IDord-6320984fbccc48deaa64e25597e1278b
Source noteuspto-grants-2014_09