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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1622505Generated: November 2, 2026

Ethyl Acetate → 3-Ethynyl-imidazo[1,2-A]pyrazine

https://huagongshe.com/reaction/1622505

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantPotassium CarbonateHCID 11430—
Reactant3-((Trimethylsilyl)ethynyl)imidazo[1,2-a]pyrazineHCID 66735602—
SolventMethanolHCID 887—
Product3-Ethynyl-imidazo[1,2-A]pyrazineHCID 72207272—

Reaction Steps

To a solution of 3-((trimethylsilyl)ethynyl)imidazo[1,2-a]pyrazine (1.39 mol) in 10× volume of Ethyl acetate and 1.5× volume of Methanol is added two and a half equivalents of potassium carbonate at ambient temperature and the solution stirred for 1 hour. Potassium carbonate is filtered off and the organic stream is washed with water and with saturated sodium chloride solution (two or more times).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08778942B2
Source datasetuspto-grants-2014_07
ORD IDord-790f3703d5c0467fba9ce81c2e428a8c
Source noteuspto-grants-2014_07