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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 450690Generated: October 26, 2026

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

https://huagongshe.com/reaction/450690

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant5-Fluoronicotinic AcidHCID 120232—
ReactantN'-hydroxyimidazo[1,2-a]pyridine-6-carboximidamideHCID 2764575—
Product5-(5-Fluoropyridin-3-yl)-3-(imidazo[1,2-a]pyridin-6-yl)-1,2,4-oxadiazoleHCID 44545067—

Reaction Steps

The title compound was prepared according to method C using N′-hydroxyimidazo[1,2-a]pyridine-6-carboximidamide (Bionet) and 5-fluoronicotinic acid (Frontier). 1H NMR (300 MHz, DMSO-d6) δ 7.71 (d, J=1.4 Hz, 1 H), 7.74-7.88 (m, 2 H), 8.20 (s, 1 H), 8.51 (ddd, J=9.0, 2.9, 1.7 Hz, 1 H), 8.97 (d, J=3.1 Hz, 1 H), 9.24 (t, J=1.5 Hz, 1 H), 9.47 (t, J=1.4 Hz, 1 H) ppm; MS (DCI/NH3) m/z 282 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08486979B2
Source datasetuspto-grants-2013_07
ORD IDord-985854b8d1cc458090979eb405023a99
Source noteuspto-grants-2013_07