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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 450628Generated: October 26, 2026

Ammonia → 5-(4-Chloro-3-fluorophenyl)-3-(pyridin-3-yl)-1,2,4-oxadiazole

https://huagongshe.com/reaction/450628

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
ReactantN-HydroxynicotinimidamideHCID 308113—
Reactant4-Chloro-3-fluorobenzoic acidHCID 2736536—
Product5-(4-Chloro-3-fluorophenyl)-3-(pyridin-3-yl)-1,2,4-oxadiazoleHCID 67026005—

Reaction Steps

The title compound was prepared according to the procedure of Example 8 using N′-hydroxynicotinimidamide (Aldrich) and 4-chloro-3-fluorobenzoic acid (Aldrich). 1H NMR (300 MHz, CD3OD) δ 7.64 (ddd, J=7.9, 5.0, 1.0 Hz, 1 H), 7.78 (dd, J=8.3, 7.5 Hz, 1 H), 8.07 (ddd, J=8.3, 2.0, 0.8 Hz, 1 H), 8.12 (dd, J=9.5, 2.0 Hz, 1 H), 8.55 (dt, J=7.9, 2.0 Hz, 1 H), 8.74 (dd, J=5.0, 1.8 Hz, 1 H), 9.28-9.30 (m, 1 H) ppm; MS (DCI/NH3) m/z 276 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08486979B2
Source datasetuspto-grants-2013_07
ORD IDord-408ef45dd7c140039c3b342232301342
Source noteuspto-grants-2013_07