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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 340477Generated: October 29, 2026

Dimethylformamide → HCID 66520836, compound

https://huagongshe.com/reaction/340477

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
ReactantCesium carbonateHCID 10796—
Reactant3,5-DibromopyridineHCID 69369—
ReactantHCID 21882869HCID 21882869—
CatalystCopper iodideHCID 83717—
SolventWaterHCID 962—
ProductHCID 66520836HCID 6652083612.2%

Reaction Conditions

Temperature120 °C

Reaction Steps

Pyridin-1-ol (96 mg), cesium carbonate (412 mg), and copper iodide (50 mg) were added to a tube containing a DMF (4 ml) solution containing 3,5-dibromopyridine (200 mg) and the tube was sealed in a nitrogen atmosphere, followed by stirring at 120° C. for 11 hours. Water was added to the reaction solution, followed by extraction with ethyl acetate. The resultant was washed with saturated saline and dried over anhydrous sodium sulfate, and the solvent was distilled away under reduced pressure. The obtained residue was purified by silica gel chromatography (n-hexane:ethyl acetate=1:5 to 1:1), and a brown solid of 5′-bromo-2H-[1,3′-bipyridine]-2-one (25.8 mg) was thus obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08895585B2
Source datasetuspto-grants-2014_11
ORD IDord-08093ec0ce5046d2bce2b8f994d153fa
Source noteuspto-grants-2014_11