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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 982186Generated: October 26, 2026

Ethanol → Ethyl (2E)-4-oxo-4-phenyl-2-butenoate

https://huagongshe.com/reaction/982186

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantSulfuric AcidHCID 1118—
ReactantChloroformHCID 6212—
ReactantBenzoylacrylic acidHCID 676116—
SolventWaterHCID 962—
ProductEthyl (2E)-4-oxo-4-phenyl-2-butenoateHCID 536960592.9%

Reaction Steps

A mixture of 7.50 g of trans-β-benzoylacrylic acid, 2.36 g of ethanol, 0.50 g of sulfuric acid and 30 ml of chloroform was refluxed for 5 hours while azeotropically removing water produced from the reaction system. After cooling, the reaction mixture was washed with a saturated solution of NaHCO and then with water. The solvent was distilled away to give 8.08 g of ethyl trans-β-benzoylacrylate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04994600
Source datasetuspto-grants-1991_02
ORD IDord-7c57177a68ec4a73bbc59cd0fe46fe1a
Source noteuspto-grants-1991_02