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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 578083Generated: October 26, 2026

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

https://huagongshe.com/reaction/578083

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
ReactantN-HydroxynicotinimidamideHCID 308113—
Reactant5-Bromonicotinoyl chlorideHCID 2781223—
Product5-(5-Bromopyridin-3-yl)-3-(pyridin-3-yl)-1,2,4-oxadiazoleHCID 59758751—

Reaction Steps

The title compound was prepared according to the procedure of Example 1 using N′-hydroxynicotinimidamide (Aldrich) and 5-bromonicotinoyl chloride (Alfa). 1H NMR (300 MHz, DMSO-d6) δ 8.65-8.69 (m, 1H), 8.45-8.49 (m, 1H), 8.79 (t, J=1.7 Hz, 1H), 8.84 (dd, J=1.7, 2.0 Hz, 1H), 9.07 (d, J=2 Hz, 1H), 9.28-9.29 (m, 1H), 9.34 (d, J=1.7 Hz, 1H) ppm; MS (DCI/NH3) m/z 303 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09040568B2
Source datasetuspto-grants-2015_05
ORD IDord-ea2a6b4ca2024a15b767f8d3a814d7d5
Source noteuspto-grants-2015_05