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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 439662Generated: October 23, 2026

Ethyl vinyl ether → 4-Bromo-3-chloro-3,4,4-trifluorobutanoic acid

https://huagongshe.com/en/reaction/439662

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl vinyl etherHCID 8023—
Reactant1,2-Dibromo-1-chloro-1,2,2-trifluoroethaneHCID 9634—
Reactant4-Bromo-3-chloro-3,4,4-trifluorobutanalHCID 21836480—
ReactantSodium chlorite hydrogen peroxideHCID 86632281—
ReactantSodium hydrosulfite sodium bicarbonateHCID 86749472—
Product4-Bromo-3-chloro-3,4,4-trifluorobutanoic acidHCID 10912127—

Reaction Steps

A one pot reaction of 1-chloro-1,2-dibromotrifluoroethane (VI) with ethyl vinyl ether in the presence of sodium hydrosulfite/sodium bicarbonate followed by oxidation of the intermediate, 4-bromo-3-chloro-3,4,4-trifluorobutanal (VII), without isolation, with sodium chlorite/hydrogen peroxide to give 4-bromo-3-chloro-3,4,4-trifluorobutanoic acid (VIII) in overall unexpected yields;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05514717
Source datasetuspto-grants-1996_05
ORD IDord-87d77a830bdd430eb4084fa8bca22987
Source noteuspto-grants-1996_05