Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 476774Generated: October 30, 2026

Ethyl orthoformate → Ethyl 3-ethoxy-2-(3-chloro-2,4,5-trifluorobenzoyl)acrylate

https://huagongshe.com/reaction/476774

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl orthoformateHCID 31214—
ReactantEthyl 3-(3-chloro-2,4,5-trifluorophenyl)-3-oxopropanoateHCID 10934859—
SolventAcetic AnhydrideHCID 7918—
ProductEthyl 3-ethoxy-2-(3-chloro-2,4,5-trifluorobenzoyl)acrylateHCID 54402571—

Reaction Steps

A mixture of 2.3 g (8.2 mmol) of ethyl β-(3-chloro-2,4,5-trifluorophenyl)-β-oxopropionate, 2 ml of triethyl orthoformate, and 20 ml of acetic anhydride is refluxed for 21/2 hours. The reaction mixture is cooled to room temperature and concentrated to give 2.7 g of the title compound as a red oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04885386
Source datasetuspto-grants-1989_12
ORD IDord-d71f6285e8d04eb19ada09670b178061
Source noteuspto-grants-1989_12