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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 617117Generated: October 25, 2026

Piperazine → 1-Undecylpiperazine

https://huagongshe.com/reaction/617117

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
Reactant1-BromoundecaneHCID 12744—
SolventDichloromethaneHCID 6344—
Product1-UndecylpiperazineHCID 12930911—

Reaction Steps

Excess piperazine (5 eq) and 1-bromoundecane (1.0 eq) are dissolved in dichloromethane and allowed to react overnight. The mixture is extracted with aqueous sodium bicarbonate and the organic layer dried with sodium sulfate. The mixture is filtered, the solvent removed in vacuo and the residue purified by column chromatography.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05948753
Source datasetuspto-grants-1999_09
ORD IDord-1699726efc0f411d92dacde0e031d07a
Source noteuspto-grants-1999_09