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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 578090Generated: October 26, 2026

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

https://huagongshe.com/reaction/578090

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
ReactantN-HydroxynicotinimidamideHCID 308113—
Reactant2,3-Difluorobenzoic acidHCID 370590—
Product5-(2,3-Difluorophenyl)-3-(pyridin-3-yl)-1,2,4-oxadiazoleHCID 59758747—

Reaction Steps

The title compound was prepared according to the procedure of Example 8 using N′-hydroxynicotinimidamide (Aldrich) and 2,3-difluorobenzoic acid (Aldrich). 1H NMR (300 MHz, CD3OD) δ 7.51-7.67 (m, 2H), 8.08-8.14 (m, 1H), 8.18 (ddd, J=10.7, 7.5, 2.0 Hz, 1H), 8.55 (dt, J=8.0, 1.9 Hz, 1H), 8.74 (dd, J=5.2, 1.6 Hz, 1H), 9.29 (dd, J=2.4, 0.8 Hz, 1H) ppm; MS (DCI/NH3) m/z 260 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09040568B2
Source datasetuspto-grants-2015_05
ORD IDord-eba50b98fe4b4d5495c02b4042b6ccad
Source noteuspto-grants-2015_05