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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 382286Generated: October 25, 2026

Potassium Carbonate → 4-[2-[2-Ethyl-4-oxo-3,4-dihydro-3-quinazolinyl]ethoxy]nitrobenzene

https://huagongshe.com/reaction/382286

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant1-(2-Bromoethoxy)-4-nitrobenzeneHCID 235987—
Reactant2-Ethylquinazolin-4(1H)-oneHCID 135444528—
Product4-[2-[2-Ethyl-4-oxo-3,4-dihydro-3-quinazolinyl]ethoxy]nitrobenzeneHCID 2196020364.4%

Reaction Steps

The title compound (1.246 g, 64%) was prepared from 2-ethyl-4-oxo-3,4-dihyroquinazoline (1.0 g, 5.7 mmol) and 4-[2-bromoethoxy]nitrobenzene (1.696 g, 6.8 mmol) and K2CO3 (1.58 g, 11.49 mmol) as a base by a similar procedure to that described in preparation 1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06310069B1
Source datasetuspto-grants-2001_10
ORD IDord-ca401ddbf35744739809efb4d7610532
Source noteuspto-grants-2001_10