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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 72673Generated: October 26, 2026

Piperazine → 1-(5-Trifluoromethyl-pyridin-2-yl)-piperazine

https://huagongshe.com/reaction/72673

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
Reactant2-Chloro-5-(trifluoromethyl)pyridineHCID 92342—
SolventTetrahydrofuranHCID 8028—
Product1-(5-Trifluoromethyl-pyridin-2-yl)-piperazineHCID 667618—

Reaction Steps

Piperazine (1.2 g, 13.77 mM) was heated with 2-chloro-5-(trifluoromethyl)pyridine (0.5 g, 2.75 mmol) in THF (2 mL) for 2 hours. Subsequently the reaction mixture was poured onto crushed ice and extracted with ethyl acetate. The organic layer was washed with sodium bicarbonate and evaporated to furnish the required product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08828999B2
Source datasetuspto-grants-2014_09
ORD IDord-2539442d428d4383a6d9b930dc5daea0
Source noteuspto-grants-2014_09