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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 490078Generated: October 31, 2026

1-Ethyl-4-(5-nitropyridin-2-yl)piperazine → 6-(4-Ethylpiperazin-1-yl)pyridin-3-amine

https://huagongshe.com/reaction/490078

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-4-(5-nitropyridin-2-yl)piperazineHCID 2848980—
ReactantHCID 178418361HCID 178418361—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product6-(4-Ethylpiperazin-1-yl)pyridin-3-amineHCID 9161674102.8%

Reaction Steps

A mixture of 2.47 g (10 mmol) 1-ethyl-4-(5-nitro-pyridin-2-yl)-piperazine and 0.247 g Pd/C (10%) in 25 ml methanol was treated with 1 bar hydrogen at room temperature for 2 h. After filtration the mixture was evaporated to dryness to yield 2.12 g (98%) of the title compound as colorless solid. (m/e): 207.3 (MH+; 100%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07528135B2
Source datasetuspto-grants-2009_05
ORD IDord-a1e7d8f893064257afae504bc759d0f1
Source noteuspto-grants-2009_05