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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 965777Generated: November 4, 2026

Phenylacetyl chloride → 7,8-Dimethoxy-6-nitro-3-phenyl-chromen-2-one

https://huagongshe.com/reaction/965777

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylacetyl chlorideHCID 7679—
ReactantPotassium CarbonateHCID 11430—
Reactant3,4-Dimethoxy-2-hydroxy-5-nitrobenzaldehydeHCID 22313432—
SolventAcetoneHCID 180—
Product7,8-Dimethoxy-6-nitro-3-phenyl-chromen-2-oneHCID 22313443—

Reaction Steps

A mixture of 3,4-dimethoxy-2-hydroxy-5-nitrobenzaldehyde obtained from Preparation example (1a) (0.91 g), phenacetylchloride (1.1 ml) and potassium carbonate (2.0 g) was refluxed in dry acetone (40 ml) overnight. Acetone was evaporated, cold water added and filtered. Yield: 0.69 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06951870B2
Source datasetuspto-grants-2005_10
ORD IDord-ac5eef07ca214db78624677c1de3aea9
Source noteuspto-grants-2005_10