Preparation of o-dihydroxylated aromatic compounds via oxidation of o-fuchsones
US5414155A · kind A · utility
1Cited by
4References
23Claims
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Key dates
| Filing date | Jan 10, 1994 |
| Grant date | May 9, 1995 |
| Priority date | — |
| Expiry date | Jan 10, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/60
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
o-Dihydroxylated aromatic compounds, for example pyrocatechol, are selectively prepared by reacting an o-fuchsone with an oxidizing agent, for example hydrogen peroxide, optionally in the presence of a catalytically effective amount of an acid catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.