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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2233548Generated: October 31, 2026

Ethyl 2-chloroacetoacetate → HCID 59296132, compound

https://huagongshe.com/reaction/2233548

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2-chloroacetoacetateHCID 11858—
Reactant4-MethoxybenzamideHCID 76959—
SolventEthanolHCID 702—
ProductHCID 59296132HCID 59296132—

Reaction Conditions

Temperature50 °C

Reaction Steps

40.0 g 4-Methoxybenzamide was dissolved in 400 ml ethanol. The mixture was warmed to 50° C. and 48.8 ml ethyl-2-chloroacetoacetate was added in one portion. The resulting mixture was refluxed for four days. The reaction mixture was cooled and the solvent removed under reduced pressure. The resulting residue was purified by flash chromatography on silica gel to obtain 23.5 g 2-(4-Methoxy-phenyl)-4-methyl-oxazole-5-carboxylic acid ethyl ester as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07709509B2
Source datasetuspto-grants-2010_05
ORD IDord-20dcb2758d4b49b89f7fbf83a7471c3d
Source noteuspto-grants-2010_05