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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 573337Generated: October 30, 2026

4-Bromophenol → HCID 66727956, compound

https://huagongshe.com/reaction/573337

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-BromophenolHCID 7808—
Reactant2-ChlorobenzimidazoleHCID 78572—
ProductHCID 66727956HCID 6672795662.8%

Reaction Conditions

Temperature150 °C

Reaction Steps

A mixture of 2-chloro-1H-benzo[d]imidazole (10 g), 4-bromophenol (56.7 g) and TEA (45.5 mL) was stirred at 150° C. overnight. The mixture was quenched with water at room temperature and extracted with AcOEt. The extract was washed with 1 M NaOH aqueous solution, dried over Na2SO4, and concentrated under reduced pressure. The precipitate was crystallized from AcOEt/hexane to give the title compound (11.9 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09029536B2
Source datasetuspto-grants-2015_05
ORD IDord-acdc16a708a94f4fba4653768716c7ff
Source noteuspto-grants-2015_05