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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1995659Generated: October 30, 2026

Diethyl Ether → 4-Benzoyl-5-methyl-1,3-dihydro-2H-imidazol-2-one

https://huagongshe.com/reaction/1995659

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl EtherHCID 3283—
ReactantBenzoyl chlorideHCID 7412—
ReactantAluminum(III) ChlorideHCID 6451240—
ReactantHCID 22290139HCID 22290139—
SolventNitrobenzeneHCID 7416—
Product4-Benzoyl-5-methyl-1,3-dihydro-2H-imidazol-2-oneHCID 15567531—

Reaction Conditions

Temperature60 °C

Reaction Steps

To a solution of 3.0 g of 4-methylimidazol-2-one and 8.0 g of aluminum chloride in 50 ml of nitrobenzene is added dropwise 4.6 g of benzoyl chloride. The solution is warmed at 60° C. for 4 hours, poured over ice water, slurried with ether and the resulting solids filtered and dried to yield the title compound. M.P. 250°-54° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04405635
Source datasetuspto-grants-1983_09
ORD IDord-4f9d0ced93ab486c9de2575f0b115003
Source noteuspto-grants-1983_09