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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2165648Generated: November 1, 2026

Hydrochloric Acid → Acetophenone, 2',4'-dichloro-5'-fluoro-

https://huagongshe.com/reaction/2165648

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantAcetic AnhydrideHCID 7918—
ReactantBenzene, 2,4-dichloro-1-fluoro-HCID 123112—
ReactantAluminum(III) ChlorideHCID 6451240—
ProductAcetophenone, 2',4'-dichloro-5'-fluoro-HCID 727250—

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of 229.6 g of 1,3-dichloro-4-fluorobenzene and 205.34 g of aluminum chloride was heated at 80° C. A 56 g portion of acetic anhydride was added dropwise over 2 hours, then the reaction was heated at 100° C. for 8 hours, poured onto a mixture of concentrated hydrochloric acid and ice and extracted several times with ether. The ether extracts were combined, washed with water, dried and the solvents evaporated. The solid was purified by vacuum distillation, giving 156.63 g of 6-acetyl-1,3-dichloro-4-fluorobenzene.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04940710
Source datasetuspto-grants-1990_07
ORD IDord-59c5a5f9dc434f8d9cba145093dabb13
Source noteuspto-grants-1990_07