Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1599209Generated: November 3, 2026

Ethyl Acetate → HCID 18930898, compound

https://huagongshe.com/reaction/1599209

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantPotassium FluorideHCID 522689—
Reactant5-Chloro-4-nitrothiophene-2-sulfonyl chlorideHCID 2735783—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 18930898HCID 18930898—

Reaction Conditions

Temperature50 °C

Reaction Steps

2--Chlorosulphonyl-4-nitro-5-chlorothiophene (20.1 parts) were stirred in p-dioxane (80 parts) at room temperature. Potassium fluoride (5.2 parts) in water (20 parts) was added and the mixture heated to 50° C. Stirred under these conditions for 4 hours, then cooled and poured onto ice/water. Ethyl acetate was then added to extract the product and separated. Dried over magnessium sulphate then screened and concentrated to yield the product 2-fluorosulphonyl-4-nitro-5-chloro thiophene (20.4 parts).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05739299
Source datasetuspto-grants-1998_04
ORD IDord-828e6de827884b62b3e7c1dba8aa0155
Source noteuspto-grants-1998_04