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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1281164Generated: October 25, 2026

Water → 5,6-Dicloro-1-(4-formylphenyl)benzimidazole

https://huagongshe.com/reaction/1281164

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPotassium CarbonateHCID 11430—
Reactant4-FluorobenzaldehydeHCID 68023—
Reactant5,6-Dichloro-1H-benzimidazoleHCID 331775—
SolventDimethyl SulfoxideHCID 679—
Product5,6-Dicloro-1-(4-formylphenyl)benzimidazoleHCID 1842686262%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 5,6-dichlorobenzimidazole (94 mg, 0.50 mmol), 4-fluorobenzaldehyde (0.064 mL, 0.60 mmol), and potassium carbonate (83 mg, 0.60 mmol) in dimethylsulfoxide (3 mL) was heated at 100° C. for 3 h. The mixture was cooled to room temperature, and water was added. The precipitated product was collected by filtration and washed with water and ethanol to afford 5,6-dicloro-1-(4-formylphenyl)benzimidazole (90 mg, 62%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06452014B1
Source datasetuspto-grants-2002_09
ORD IDord-77e0a820f50b4273b184d09f2092f214
Source noteuspto-grants-2002_09