Method for producing 4-(trifluoromethylsulfonyl)phenol compound
US10377703B2 · kind B2 · utility
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Key dates
| Filing date | Jul 19, 2016 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | Jul 19, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2523/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound represented by formula (4): can be produced by adding a heterogeneous transition metal catalyst to a solution containing a compound represented by formula (3): obtained by performing a nitration reaction by adding a nitrating agent to a solution containing a compound represented by formula (2): obtained by oxidizing a compound represented by formula (1): with hydrogen peroxide in the presence of sodium tungstate and a saturated C8 carboxylic acid, then adding water to the resultant mixture, and separating the resultant solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.