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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 993359Generated: October 27, 2026

Oxyselenide → 6-Bromo-7-acetoxy-4-formylcoumarin

https://huagongshe.com/reaction/993359

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxyselenideHCID 167175—
Reactant6-Bromo-7-acetoxy-4-methylcoumarinHCID 18410332—
SolventM-XyleneHCID 7929—
Product6-Bromo-7-acetoxy-4-formylcoumarinHCID 1841033667.7%

Reaction Steps

A mixture of 404.9 mg (1.363 mmol) of compound 18, 239.2 mg (2.156 mmol) of selenium oxide in m-xylene (15 mL) was stirred under refluxed temperature for 21 hours. The reaction mixture was cooled and evaporated. Purification by column chromatography gave 287.0 mg (0.9226 mmol, 67.7% yield) of compound 19.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06472541B2
Source datasetuspto-grants-2002_10
ORD IDord-79692a787dda457dab549e08bae68c6a
Source noteuspto-grants-2002_10