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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1492622Generated: October 31, 2026

Benzyl Bromide → 3-Benzyl-5-bromo-2-ethyl-7-methylimidazo[4,5-b]pyridine

https://huagongshe.com/reaction/1492622

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl BromideHCID 7498—
ReactantSodium hydrideHCID 24758—
Reactant5-Bromo-2-ethyl-7-methyl-1H-imidazo[4,5-b]pyridineHCID 19385648—
SolventDimethylformamideHCID 6228—
Product3-Benzyl-5-bromo-2-ethyl-7-methylimidazo[4,5-b]pyridineHCID 19385661100.9%

Reaction Steps

To a solution of 10 g (39 mmol) of the product of Step C in DMF (70 mL) at rt was added NaH (1.3 g of an 80% oil dispersion, 43 mmol). After 20 minutes benzyl bromide (5.15 mL, 43 mmol) was added and the reaction was stirred for 16 hours. The mixture was poured onto 500 g of ice and the solid residue was filtered, washed with water and air dried to give 13 g of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05374638
Source datasetuspto-grants-1994_12
ORD IDord-50c613d085e14b20872999e3ef77e0c8
Source noteuspto-grants-1994_12