Process for synthesis of a 2-(5-isoxazolyl)-phenol
US12291525B2 · kind B2 · utility
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Key dates
| Filing date | Dec 2, 2020 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | May 11, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D261/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for preparing a compound of Formula (1) and compounds therefrom, comprising treating a compound of Formula (2) to provide a compound of Formula (5) and treating the compound of Formula (5) with a hydroxylamine salt wherein R1, R2 and m are as defined in the specification. The compound of Formula (1), prepared by the above method, can be used to prepare a compound of Formula (8) wherein R1, R2, R3 and m are as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.