Ethanol → HCID 54703323, compound

Participants

Reaction Steps

A solution of (4-Hydroxy-2-oxo-2H-chromen-3-yl)-phenyl-acetic acid in EtOH with a catalytic amount of conc. sulfuric acid was heated to reflux for 5 hours, cooled to room temperature, diluted with water and extracted with EtOAc. The organic layer was dried over MgSO4 and conc. in vacuo to give (4-Hydroxy-2-oxo-2H-chromen-3-yl)-phenyl-acetic acid ethyl ester as colorless oil, which crystallize upon standing (910 mg). MS: 323[M-H].

Provenance & Evidence