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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 578181Generated: November 3, 2026

Ammonia → 5-(6-Fluoropyridin-3-yl)-3-(imidazo[1,2-a]pyridin-6-yl)-1,2,4-oxadiazole

https://huagongshe.com/reaction/578181

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant6-Fluoronicotinic AcidHCID 242819—
ReactantN'-hydroxyimidazo[1,2-a]pyridine-6-carboximidamideHCID 2764575—
Product5-(6-Fluoropyridin-3-yl)-3-(imidazo[1,2-a]pyridin-6-yl)-1,2,4-oxadiazoleHCID 44545066—

Reaction Steps

The title compound was prepared according to Method C using N′-hydroxyimidazo[1,2-a]pyridine-6-carboximidamide (Bionet) and 6-fluoronicotinic acid (Frontier). 1H NMR (300 MHz, DMSO-d6) δ 7.55 (ddd, J=8.5, 2.7, 0.7 Hz, 1H), 7.70 (d, J=1.4 Hz, 1H), 7.73-7.86 (m, 2H), 8.20 (s, 1H), 8.75 (ddd, J=8.1, 2.5 Hz, 1H), 9.08 (dt, J=1.7, 0.8 Hz, 1H), 9.46 (dd, J=1.7, 1.0 Hz, 1H) ppm; MS (DCI/NH3) m/z 282 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09040568B2
Source datasetuspto-grants-2015_05
ORD IDord-353d3c4252bb403d8a3e81849c9a11d7
Source noteuspto-grants-2015_05