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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2217233Generated: October 31, 2026

Water → HCID 69102783, compound

https://huagongshe.com/reaction/2217233

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantEthyl AcetateHCID 8857—
ReactantBoron tribromideHCID 25134—
ReactantHCID 69102358HCID 69102358—
Solvent1,2-DichloroethaneHCID 11—
SolventDichloromethaneHCID 6344—
ProductHCID 69102783HCID 6910278372%

Reaction Conditions

Temperature80 °C

Reaction Steps

3-Amino-6-(6-methoxy-3-pyridyl)-5-phenyl-2-pyrazinecarbonitrile (370 mg) was dissolved in 1,2-dichloroethane (37 ml). To the solution was added 1M boron tribromide solution in CH2Cl2 (12.2 ml) The mixture was stirred at 80° C. for 24 hours. The mixture was cooled to 20-25° C., and portioned to EtOAc and water. The organic layer was separated. The aqueous layer was extracted with EtOAc. The combined organic layer was washed with brine, and dried over MgSO4. Evaporation of solvent in vacuo gave reddish solid residue. The residue was pulverized with water, to give 3-amino-6-(6-oxo-1,6-dihydro-3-pyridyl)-5-phenyl-2-pyrazinecarbonitrile as powder (254 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07407961B2
Source datasetuspto-grants-2008_08
ORD IDord-af03e3c79cc14b7cafe25786b204e4f7
Source noteuspto-grants-2008_08