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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 390441Generated: October 25, 2026

Ammonia → 3-(Pyridin-3-yl)-5-(3-(trifluoromethyl)phenyl)isoxazole

https://huagongshe.com/reaction/390441

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant1-Ethynyl-3-(trifluoromethyl)benzeneHCID 2778490—
ReactantN-Hydroxy-3-pyridinecarboximidoyl chlorideHCID 53404818—
Product3-(Pyridin-3-yl)-5-(3-(trifluoromethyl)phenyl)isoxazoleHCID 44546222—

Reaction Steps

The titled compound was prepared as the hydrochloride salt according to Method CB using the product of Example 1A (78 mg, 0.5 mmol) and 1-ethynyl-3-(trifluoromethyl)benzene (Aldrich, 85 mg, 0.5 mmol). 1H NMR (300 MHz, DMSO-d6) δ 7.64-7.76 (m, 1H), 7.81-7.96 (m, 2H), 7.98 (s, 1H), 8.20-8.30 (m, 2H), 8.41 (dt, J=8.1, 1.9 Hz, 1H), 8.79 (dd, J=4.8, 1.6 Hz, 1H), 9.17 (d, J=1.6 Hz, 1H) ppm; MS (DCI/NH3) m/z 291 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08383658B2
Source datasetuspto-grants-2013_02
ORD IDord-ad2076865cf54acaac27e372b4041366
Source noteuspto-grants-2013_02