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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 539758Generated: October 26, 2026

2-Amino-5-bromopyridine → 6-Bromo-2-[3-nitro-4-(trifluoromethyl)phenyl]imidazo[1,2-a]pyridine

https://huagongshe.com/reaction/539758

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Amino-5-bromopyridineHCID 70622—
Reactant2-Bromo-1-[3-nitro-4-(trifluoromethyl)phenyl]ethanoneHCID 57516269—
SolventAcetonitrileHCID 6342—
Product6-Bromo-2-[3-nitro-4-(trifluoromethyl)phenyl]imidazo[1,2-a]pyridineHCID 67982711106.7%

Reaction Conditions

Temperature100 °C

Reaction Steps

A stirred mixture of 2-amino-5-bromopyridine (0.259 g, 1.5 mmol) and 2-bromo-1-[3-nitro-4-(trifluoromethyl)phenyl]ethanone (0.468 g, 1.5 mmol) in acetonitrile (3 mL) is heated at 100° C. for 18 hr. The mixture is concentrated to give the title compound (618 mg), which is used without further purification. LCMS m/z=388.3 [M+H]+, tR=2.94 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08871767B2
Source datasetuspto-grants-2014_10
ORD IDord-3508172895684e679a4cc00e599d547e
Source noteuspto-grants-2014_10