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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1995720Generated: October 31, 2026

1,3-diacetyl-1,3-dihydro-4-ethyl-5-(2-methoxybenzoyl)-2H-imidazole-2-one → 1,3-Diacetyl-1,3-dihydro-4-ethyl-5-[2-methoxy(thiobenzoyl)]-2H-imidazole-2-one

https://huagongshe.com/reaction/1995720

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,3-diacetyl-1,3-dihydro-4-ethyl-5-(2-methoxybenzoyl)-2H-imidazole-2-oneHCID 20487494—
ReactantHCID 178527676HCID 178527676—
SolventTolueneHCID 1140—
Product1,3-Diacetyl-1,3-dihydro-4-ethyl-5-[2-methoxy(thiobenzoyl)]-2H-imidazole-2-oneHCID 20487464—

Reaction Steps

In 100 ml Toluene are suspended 10 g of 1,3-diacetyl-1,3-dihydro-4-ethyl-5-(2-methoxybenzoyl)-2H-imidazole-2-one and 20 g phosphorus pentasulfate. The mixture is refluxed 6 hours and the solvent evaporated to yield the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04405628
Source datasetuspto-grants-1983_09
ORD IDord-38ca479c0a284d4e9ae1b01776b6b2ed
Source noteuspto-grants-1983_09