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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 128035Generated: October 30, 2026

Ethanol → HCID 23471632, compound

https://huagongshe.com/reaction/128035

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
Reactant1-(2-Benzoyl-4-chlorophenyl)-3-phenylureaHCID 4423946—
ProductHCID 23471632HCID 2347163288%

Reaction Steps

A solution of 10.0 g (0.285 mole) of 1-(2-benzoyl-4-chlorophenyl)-3-phenylurea in 50 ml ethanol was refluxed for 18 hr, and then cooled. The solid that formed was collected on a filter and washed with ethanol to give 9.46 g (88%) of 6-chloro-4-ethoxy-3,4-dihydro-3,4-diphenyl-2(1H)-quinazolinone as colorless crystals: mp 209°-211°. The 1H nmr spectrum shows the presence of an ethyl group in addition to aromatic hydrogens.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04258187
Source datasetuspto-grants-1981_03
ORD IDord-59a7f492dc314582a846cf85e1a155c4
Source noteuspto-grants-1981_03