Process for the preparation of isoxazoline compounds
US10433552B2 · kind B2 · utility
1Cited by
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33Claims
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Key dates
| Filing date | Apr 5, 2017 |
| Grant date | Oct 8, 2019 |
| Priority date | — |
| Expiry date | Apr 5, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to processes for the preparation of antiparasitic isoxazoline compounds enriched in an enantiomer using quinine-based chiral phase transfer catalyst. The invention also relates to novel quinine-based phase transfer catalysts and to a toluene solvent form of the isoxazoline compound of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.