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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 658459Generated: October 29, 2026

1,2,4-Trifluoro-5-nitrobenzene → 4-Amino-2,5-difluorophenol

https://huagongshe.com/reaction/658459

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2,4-Trifluoro-5-nitrobenzeneHCID 75012—
Reactant4-Amino-3,5-difluorophenolHCID 2778761—
Product4-Amino-2,5-difluorophenolHCID 277876272.3%

Reaction Steps

This compound was prepared from 1,2,4-trifluoro-5-nitrobenzene (5.0 g, 28 mmol) in the manner described for 4-amino-3,5-difluorophenol, affording 3.0 g (72.3%) of 4-amino-2,5-difluorophenol. 1H-NMR (DMSO-d6) δ 9.04 (s, 1H), 6.67 to 6.46 (m, 2H), 4.64 (s, 2H); MS GC-MS M+=146.1, RT=1.04 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08076488B2
Source datasetuspto-grants-2011_12
ORD IDord-beffefa8108c45c689635d96172d0fc0
Source noteuspto-grants-2011_12