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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2262584Generated: November 2, 2026

5-Hydroxy-3-phenyl-5-(trifluoromethyl)-4,5-dihydroisoxazole → 3-(3-Fluoro-phenyl)-5-trifluoromethyl-isoxazole

https://huagongshe.com/reaction/2262584

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Hydroxy-3-phenyl-5-(trifluoromethyl)-4,5-dihydroisoxazoleHCID 2880976—
Reactant3-(3-Fluoro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-5-olHCID 67362753—
Product3-(3-Fluoro-phenyl)-5-trifluoromethyl-isoxazoleHCID 6736281385.3%

Reaction Steps

As described for Example 1b, 3-(3-fluoro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-5-ol (60 g, 241 mmol), instead of 3-phenyl-5-hydroxy-5-(trifluoromethyl)isoxazoline, was converted to the title compound (47.5 g, 85%) which was obtained as a light brown solid. MS: m/e=231.1 [M]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07851469B2
Source datasetuspto-grants-2010_12
ORD IDord-b4382e3342574a4e856447a4835b2022
Source noteuspto-grants-2010_12