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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 18539Generated: October 28, 2026

HCID 23086769, compound → 1-(4-Aminophenyl)pyrazin-2(1H)-one

https://huagongshe.com/reaction/18539

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 23086769HCID 23086769—
SolventEthanolHCID 702—
SolventEthyl AcetateHCID 8857—
Product1-(4-Aminophenyl)pyrazin-2(1H)-oneHCID 23086768—

Reaction Steps

To a solution of 520 mg 1-(4-Nitro-phenyl)-1H-pyrazin-2-one in 26 mL ethyl acetate and 1.3 mL ethanol, 2.7 g SnCl2 dihydrate were added and the reaction mixture was heated to reflux for 6 h. Then, after cooling to RT the mixture was stirred for 16 h. The precipitated product was collected by filtration and was pure enough for the next reaction step. Yield: 450 mg.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07741341B2
Source datasetuspto-grants-2010_06
ORD IDord-6aa73413b96e48a6a0c5bd166d0a548c
Source noteuspto-grants-2010_06