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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1776893Generated: November 2, 2026

2-Aminopyridine → HCID 178517590, compound

https://huagongshe.com/reaction/1776893

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-AminopyridineHCID 10439—
ReactantHCID 178520129HCID 178520129—
SolventEthanolHCID 702—
ProductHCID 178517590HCID 17851759067.6%

Reaction Steps

A mixture of 2-bromo-1-(5-bromo-2-hydroxypyridin-3-yl)ethanone (300 mg, 1.02 mmol) and 2-aminopyridine (100 mg, 1.06 mmol) in EtOH (10 mL) was stirred at reflux overnight. The reaction mixture was cooled and filtered to provide 5-bromo-3-(imidazo[1,2-a]pyridin-2-yl)pyridin-2-ol (200 mg, yield: 67%). 1H-NMR (DMSO, 400 MHz) δ 12.75 (br s, 1H), 9.02 (s, 1H), 8.94 (d, J=6.8 Hz, 1H), 8.42 (d, J=2.8 Hz, 1H), 7.89˜7.96 (m, 3H), 7.45 (d, J=4.8 Hz, 1H). MS (M+H)+: 290/292.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09265773B2
Source datasetuspto-grants-2016_02
ORD IDord-6a1e47285d134d5dbc5ac6cb1444f426
Source noteuspto-grants-2016_02