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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 333536Generated: October 30, 2026

3-nitro-N-phenylpyridin-2-amine → 2-N-phenylpyridine-2,3-diamine

https://huagongshe.com/reaction/333536

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-nitro-N-phenylpyridin-2-amineHCID 611799—
CatalystPalladiumHCID 23938—
SolventEthanolHCID 702—
Product2-N-phenylpyridine-2,3-diamineHCID 1067909180%

Reaction Steps

3-nitro-N-phenylpyridin-2-amine (29 g, 135 mmol) and palladium on carbon (10 wt %, 3 g) in ethanol (200 mL) were hydrogenated on a Parr hydrogenator at 45 psi for 8 h. The catalyst was filtered. The solution was concentrated to give N2-phenylpyridine-2,3-diamine (20 g, 80% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08883322B2
Source datasetuspto-grants-2014_11
ORD IDord-d0eb23e386224da1a9b9e883f05aaadf
Source noteuspto-grants-2014_11