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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 854443Generated: October 26, 2026

Potassium Carbonate → (6-Bromo-imidazo[1,2-a]pyrazin-8-yl)-pyridin-4-ylmethyl-amine

https://huagongshe.com/reaction/854443

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantDimethylacetamideHCID 31374—
Reactant4-PyridinemethanamineHCID 77317—
Reactant6,8-Dibromoimidazo[1,2-a]pyrazineHCID 15025843—
SolventAcetonitrileHCID 6342—
Product(6-Bromo-imidazo[1,2-a]pyrazin-8-yl)-pyridin-4-ylmethyl-amineHCID 58934041—

Reaction Steps

A solution of 6,8-Dibromo-imidazo[1,2-a]pyrazine 3 (1.0 equiv.), 4-aminomethylpyridine (1.0 equiv.) and potassium carbonate (3.0 equiv.) is dissolved in 20 ml 3:1 acetonitrile: dimethylacetamide and is stirred at 100° C. for 16 hours. The mixture is cooled to RT and partitioned between ethyl acetate (EtOAc) and saturated NaHCO3. The aqueous phase is extracted with EtOAc and combined extracts are dried over Na2SO4. The solvent is removed under reduced pressure and the resulting residue is purified by flash chromatography (EtOAc) to yield (6-Bromo-imidazo[1,2-a]pyrazin-8-yl)-pyridin-4-ylmethyl-amine 4.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07259164B2
Source datasetuspto-grants-2007_08
ORD IDord-2f400c7cd74a4cf787769d1c5b4a6ca4
Source noteuspto-grants-2007_08