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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2258536Generated: November 1, 2026

3-Chloroaniline → 2H-Benzimidazol-2-one, 1,3-dihydro-6-chloro-1-(3-chlorophenyl)-

https://huagongshe.com/reaction/2258536

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-ChloroanilineHCID 7932—
Reactant2,4-DichloronitrobenzeneHCID 11899—
ReactantSodium AcetateHCID 517045—
SolventEthylene GlycolHCID 174—
Product2H-Benzimidazol-2-one, 1,3-dihydro-6-chloro-1-(3-chlorophenyl)-HCID 3061806—

Reaction Steps

A mixture of 50 g of 2,4-dichloro-1-nitrobenzene, 40 ml of 3-chloroaniline and 43 g of anhydrous sodium acetate in 220 ml of ethylene glycol is heated at reflux for 72 hours. After cooling, the precipitate formed is filtered off and washed with water. 39 g of the expected product are obtained after crystallization from iso ether, mp=112° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05661169
Source datasetuspto-grants-1997_08
ORD IDord-3c73c172d22741c494058f4cd544feab
Source noteuspto-grants-1997_08