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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1357616Generated: October 25, 2026

Piperazine → 2-(4-Phenoxybutoxy)-6-(1-Piperazinyl)Pyrazine

https://huagongshe.com/reaction/1357616

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
ReactantPotassium CarbonateHCID 11430—
Reactant4-Phenoxybutan-1-olHCID 219683—
Reactant2-Chloro-6-(4-phenoxybutoxy)pyrazineHCID 18186925—
Product2-(4-Phenoxybutoxy)-6-(1-Piperazinyl)PyrazineHCID 18186776—

Reaction Steps

The title compound was prepared according to the procedure of example 50, step 2, starting from 2-chloro-6-(4-phenoxybutoxy)pyrazine (1.99 g, 7.14 mmol; obtained according to the procedure of example 50, step 1, starting from 4-phenoxy-1-butanol*), piperazine (1.84 g, 21.4 mmol) and K2CO3 (0.99 g, 7.14 mmol). The yield of the title compound was 1.52 g (65%) which was obtained as an oil. Purity100% (HPLC). MS m/z 329 (M+H)+. HRMS m/z calcd for C18H24N4O2 (M)+ 328.1899, found 328.1894.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06593330B2
Source datasetuspto-grants-2003_07
ORD IDord-37561d403c9f47eabbf195e4a9ff0971
Source noteuspto-grants-2003_07