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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 251423Generated: October 26, 2026

Piperazine → 1-(5-Nitropyridin-2-yl)piperazine

https://huagongshe.com/reaction/251423

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
Reactant2-Bromo-5-nitropyridineHCID 78240—
SolventTetrahydrofuranHCID 8028—
Product1-(5-Nitropyridin-2-yl)piperazineHCID 2928799—

Reaction Steps

2-Bromo-5-nitropyridine (0.3 g, 1.48 mmol) was treated with piperazine (0.64 g, 7.89 mmol) in tetrahydrofuran (4 ml) and the reaction mixture was stirred for 30 minutes. Subsequently the reaction mixture was poured onto ice-cold water (25 ml) and extracted with ethyl acetate (25 ml). The organic layer was washed with brine and evaporated to furnish the product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07863446B2
Source datasetuspto-grants-2011_01
ORD IDord-46396960c5da454bbbfbc49490f48c2d
Source noteuspto-grants-2011_01