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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1966344Generated: November 1, 2026

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

https://huagongshe.com/reaction/1966344

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 numberUS08420653B2
Source datasetuspto-grants-2013_04
ORD IDord-2dc27dd6e20f4398a52e403d1b17762a
Source noteuspto-grants-2013_04