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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1774849Generated: October 30, 2026

Triethylamine → 5-Bromo-N-methoxy-N-methylpyridine-3-carboxamide

https://huagongshe.com/reaction/1774849

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantN,O-DimethylhydroxylamineHCID 14232—
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant5-Bromonicotinic acidHCID 88707—
SolventWaterHCID 962—
SolventDimethylformamideHCID 6228—
Product5-Bromo-N-methoxy-N-methylpyridine-3-carboxamideHCID 1847226985%

Reaction Steps

To a solution of 5-bromo-nicotinic acid (2.02 g, 10 mmol) and O,N-dimethyl-hydroxylamine (670 mg, 11 mmol) in DMF (100 mL) was added HOBt (400 mg, 0.3 mmol), EDCI (2.09 g, 11 mmol) and Et3N (1.11 g, 11 mmol). The resulting mixture was stirred at room temperature for 1 hour. Water was added to the reaction mixture and it was extracted with EtOAc. The organic layer was washed with brine, dried by anhydrous Na2SO4, filtered and concentrated in vacuo. The residue was then purified by flash chromatography to give the title compound (2.08 g, 85%) as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09260408B2
Source datasetuspto-grants-2016_02
ORD IDord-16c6519f4ad04165b57bf323f83ff95f
Source noteuspto-grants-2016_02