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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 898263Generated: October 25, 2026

2,5-Difluoronitrobenzene → (2S)-2-[(4-fluoro-2-nitrophenyl)amino]butanoic acid

https://huagongshe.com/reaction/898263

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,5-DifluoronitrobenzeneHCID 67767—
Reactant(-)-2-Aminobutyric acidHCID 80283—
Reactant(R)-2-(4-fluoro-2-nitrophenylamino)-butyric acidHCID 69223325—
Product(2S)-2-[(4-fluoro-2-nitrophenyl)amino]butanoic acidHCID 69222707—

Reaction Steps

2,5-Difluoronitrobenzene was treated with (S)-2-aminobutyric acid according to the procedure for the preparation of (R)-2-(4-fluoro-2-nitrophenylamino)-butyric acid (see Example 1) to yield (2S)-2-[(4-fluoro-2-nitrophenyl)amino]butanoic acid. MS (ESI) m/z 243 ([M+H]+); MS (ESI) m/z 241 ([M−H]−).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07351709B2
Source datasetuspto-grants-2008_04
ORD IDord-419b62b4a0d946f1ab0214fc8f790c09
Source noteuspto-grants-2008_04