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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 450603Generated: October 26, 2026

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

https://huagongshe.com/reaction/450603

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant3,5-Difluorobenzoic acidHCID 101265—
ReactantN-HydroxynicotinimidamideHCID 308113—
Product5-(3,5-Difluorophenyl)-3-(pyridin-3-yl)-1,2,4-oxadiazoleHCID 67026071—

Reaction Steps

The title compound was prepared according to the procedure of Example 8 using N′-hydroxynicotinimidamide (Aldrich) and 3,5-difluorobenzoic acid (Aldrich). 1H NMR (300 MHz, CD3OD) δ 7.37 (tt, J=9.0, 2.3 Hz, 1 H), 7.65 (ddd, J=7.9, 5.0, 1.0 Hz, 1 H), 7.82-7.91 (m, 2 H), 8.56 (dt, J=7.9, 2.0 Hz, 1 H), 8.75 (dd, J=4.8, 1.6 Hz, 1 H), 9.30 (dd, J=2.0, 0.8 Hz, 1 H) ppm; MS (DCI/NH3) m/z 260 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08486979B2
Source datasetuspto-grants-2013_07
ORD IDord-df9fa8ebab1049869e9dbd1cab715a16
Source noteuspto-grants-2013_07