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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 493979Generated: October 29, 2026

Bromine → HCID 57682507, compound

https://huagongshe.com/reaction/493979

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromineHCID 24408—
ReactantSodium AcetateHCID 517045—
ReactantHCID 604754HCID 604754—
SolventAcetic AcidHCID 176—
ProductHCID 57682507HCID 57682507—

Reaction Steps

To a mixture of a 3-ethyl-1-methyl-1H-quinoxalin-2-one (1 g) and anhydrous sodium acetate (0.523 g) in glacial AcOH (10 mL) was added dropwise over 10 min. a solution of bromine (0.273 mL) in glacial AcOH (6 mL). The resulting pale yellow suspension was stirred at rt under nitrogen for 2 h, cooled to 0° C., filtered and washed with cold-water to give the title compound as a pale yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07538109B2
Source datasetuspto-grants-2009_05
ORD IDord-1b59d06a5e73431695df5da219de3e1a
Source noteuspto-grants-2009_05