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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1940829Generated: October 27, 2026

Vinylidene chloride → 4-Bromo-3-chloro-3,4,4-trifluorobutanoic acid

https://huagongshe.com/reaction/1940829

Reaction equation

Participants

RoleNameHCIDCharge
ReactantVinylidene chlorideHCID 6366—
ReactantCfc 113HCID 6428—
Reactant1,2-Dibromo-1-chloro-1,2,2-trifluoroethaneHCID 9634—
ReactantAmmonium persulfate sodium formateHCID 86749473—
SolventDimethylformamideHCID 6228—
Product4-Bromo-3-chloro-3,4,4-trifluorobutanoic acidHCID 10912127—
Product3,4-Dichloro-3,4,4-trifluorobutanoic acidHCID 21836485—

Reaction Steps

A one pot reaction of 1-chloro-1,2-dibromotrifluoroethane (VI) or 1,1,2-trichlorotrifluoroethane (X) with vinylidene chloride in the presence of ammonium persulfate/sodium formate/air in DMF to give 4-bromo-3-chloro-3,4,4-trifluorobutanoic acid (VIII) or 3,4-dichloro-3,4,4-trifluorobutanoic acid (XI).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05700840
Source datasetuspto-grants-1997_12
ORD IDord-8d4629d6fd0e48f8ba8b6e7b4c24d1c9
Source noteuspto-grants-1997_12