Process for making an isoxazoline compound and intermediate thereof
US12304903B2 · kind B2 · utility
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Key dates
| Filing date | Dec 12, 2024 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Dec 12, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D413/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure provides processes for making enantiomerically pure isoxazoline compounds of formula (1), The present disclosure also provides processes for making enantiomerically pure isoxazoline compounds of formula (1) characterized by improving the enantiomeric purity of 3-methyl-5-[(5S)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4H-isoxazol-3-yl]thiophene-2-carboxylic acid by crystallization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.