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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 390449Generated: October 25, 2026

Ammonia → 5-(3,4,5-Trifluorophenyl)-3-(pyridin-3-yl)isoxazole

https://huagongshe.com/reaction/390449

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant5-Ethynyl-1,2,3-trifluorobenzeneHCID 22709071—
ReactantN-Hydroxy-3-pyridinecarboximidoyl chlorideHCID 53404818—
Product5-(3,4,5-Trifluorophenyl)-3-(pyridin-3-yl)isoxazoleHCID 44511463—

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 5-ethynyl-1,2,3-trifluorobenzene (Apollo, 78 mg, 0.5 mmol). 1H NMR (300 MHz, DMSO-d6) δ 7.69 (dd, J=7.9, 4.8 Hz, 1H), 7.85 (s, 1H), 7.95 (dd, J=8.7, 6.7 Hz, 2H), 8.35 (dt, J=8.1, 1.7 Hz, 1H), 8.79 (d, J=3.6 Hz, 1H), 9.11 (s, 1H) ppm; MS (DCI/NH3) m/z 277 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08383658B2
Source datasetuspto-grants-2013_02
ORD IDord-ea0815c2e5784125ad4db2bc868a599e
Source noteuspto-grants-2013_02