Processes for preparing benzoquinones and hydroquinones
US7148386B2 · kind B2 · utility
1Cited by
20References
23Claims
0Family size
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Key dates
| Filing date | Jul 30, 2004 |
| Grant date | Dec 12, 2006 |
| Priority date | — |
| Expiry date | Aug 1, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G64/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of hydroquinone compounds comprising, reacting an aromatic hydroxy compound with an oxidizing agent in a biphasic solvent system. The reaction is carried out in the presence of a transition metal hydroxy phosphate catalyst to produce the corresponding hydroquinone compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.