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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2177624Generated: October 27, 2026

3-nitro-N-phenylpyridin-4-amine → 4-N-phenylpyridine-3,4-diamine

https://huagongshe.com/reaction/2177624

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-nitro-N-phenylpyridin-4-amineHCID 612005—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product4-N-phenylpyridine-3,4-diamineHCID 10583675100%

Reaction Steps

To a solution of 3-nitro-N-phenylpyridin-4-amine (20 g, 93 mmol) in MeOH (500 mL) was added 10% Pd/C. The reaction was stirred under a hydrogen atmosphere for 10 h. The reaction was filtered and the filtrate was concentrated to afford the product (17.2 g, 100%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09066946B2
Source datasetuspto-grants-2015_06
ORD IDord-049b9071bff5482da69b7e67d82ec15a
Source noteuspto-grants-2015_06