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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 390494Generated: October 25, 2026

Ammonia → 5-(2-Chlorophenyl)-3-(5-fluoropyridin-3-yl)isoxazole

https://huagongshe.com/reaction/390494

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant1-Chloro-2-ethynylbenzeneHCID 585995—
Reactant5-Fluoro-N-hydroxynicotinimidoyl chlorideHCID 86636846—
Product5-(2-Chlorophenyl)-3-(5-fluoropyridin-3-yl)isoxazoleHCID 44546416—

Reaction Steps

The titled compound was prepared according to Method CB using the product of product of Example 28B (88 mg, 0.5 mmol) and 1-chloro-2-ethynylbenzene (Apollo, 68 mg, 0.5 mmol). 1H NMR (300 MHz, MeOH-d4) δ 7.43-7.55 (m, 2H), 7.56 (s, 1H), 7.60-7.71 (m, 1H), 7.93-8.05 (m, 1H), 8.21 (ddd, J=9.3, 2.9, 1.7 Hz, 1H), 8.61 (d, J=2.7 Hz, 1H), 9.00 (t, J=1.5 Hz, 1H) ppm; MS (DCI/NH3) m/z 275 (M+H)+, 277 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08383658B2
Source datasetuspto-grants-2013_02
ORD IDord-a8348ebe6cba4e3c81e0d12d2a41c5cb
Source noteuspto-grants-2013_02