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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2059232Generated: October 26, 2026

Hydroxyamine hydrochloride → 4-(4-(Trifluoromethyl)phenyl)-5-aminoisoxazole

https://huagongshe.com/reaction/2059232

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydroxyamine hydrochlorideHCID 443297—
Reactant3-Dimethylamino-2-(4-(trifluoromethyl)phenyl)-acrylonitrileHCID 54490746—
SolventEthanolHCID 702—
Product4-(4-(Trifluoromethyl)phenyl)-5-aminoisoxazoleHCID 20546740—

Reaction Steps

3-Dimethylamino-2-(4-(trifluoromethyl)phenyl)-acrylonitrile (2.5 g), and NH2OH.HCl (1.5 g) were refluxed in ethanol for 2 hours. After evaporation of the solvent, water was added and the final product was filtered, recrystallized from methylene chloride, and identified by NMR analysis.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04322429
Source datasetuspto-grants-1982_03
ORD IDord-5c70dee26f8c4e3eb0a905a653405203
Source noteuspto-grants-1982_03