Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2211285Generated: October 30, 2026

Hydrofluoric Acid → 2,2,3,3-Tetrafluoro-2,3-dihydro-1,4-benzodioxine

https://huagongshe.com/reaction/2211285

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrofluoric AcidHCID 14917—
ReactantHCID 10857112HCID 10857112—
Product2,2,3,3-Tetrafluoro-2,3-dihydro-1,4-benzodioxineHCID 277658898%

Reaction Steps

Subsequently, 140 ml/h of hydrogen fluoride (measured as liquid) and 110 g/h of 2-chloro-2,3,3-trifluorobenzodioxane were passed over the catalyst at 300° C. In the course of 6 hours, 600 g of 2,2,3,3-tetrafluorobenzodioxane were obtained. This corresponds to a yield of 98%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05463088
Source datasetuspto-grants-1995_10
ORD IDord-4625c00c32a34fa09933f2733cfde8d2
Source noteuspto-grants-1995_10