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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1835442Generated: October 31, 2026

2-(3-Nitrophenyl)pyrazine → 3-(Pyrazin-2-yl)aniline

https://huagongshe.com/reaction/1835442

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(3-Nitrophenyl)pyrazineHCID 23503683—
CatalystPalladiumHCID 23938—
SolventEthanolHCID 702—
SolventTetrahydrofuranHCID 8028—
Product3-(Pyrazin-2-yl)anilineHCID 2350367296.5%

Reaction Steps

A suspension of 2-(3-nitrophenyl)pyrazine (500 mg) in tetrahydrofuran (5 ml) and ethanol (5 ml) was hydrogenated over palladium on carbon (10% w/w, 50% wet, 200 mg) under hydrogen atmosphere for 6 hours. The catalyst was filtered off and the filtrate was evaporated. The residue was crystallized from dichloromethanediisopropyl ether to give 3-(pyrazin-2-yl)aniline (410 mg, 96.5%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06770667B1
Source datasetuspto-grants-2004_08
ORD IDord-205127d164f34fa3a0250f281e9474e5
Source noteuspto-grants-2004_08