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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 578113Generated: October 29, 2026

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

https://huagongshe.com/reaction/578113

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant3-Pyridinecarbonyl chloride, hydrochloride (1:1)HCID 88438—
Reactant3,4-difluoro-N'-hydroxybenzenecarboximidamideHCID 4094371—
Product3-(3,4-Difluorophenyl)-5-(pyridin-3-yl)-1,2,4-oxadiazoleHCID 67026032—

Reaction Steps

The title compound was prepared according to the procedure of Example 1 using 3,4-difluoro-N′-hydroxybenzimidamide (Tyger Scientific) and nicotinoyl chloride hydrochloride (Aldrich). 1H NMR (300 MHz, DMSO-d6) δ 7.74 (dd, J=7.5, 4.4 Hz, 1H), 8.60 (dt, J=7.8, 2.1 Hz, 1H), 8.93 (dd, J=4.8, 1.6 Hz, 1H), 9.38 (dd, J=2.2, 1.0 Hz, 1H), 9.44-9.48 (m, 3H) 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-4e8cc29a443341c29aa252c7d963d502
Source noteuspto-grants-2015_05