Method for production of bis(hydroxy-aromatic)compounds
US6833482B1 · kind B1 · utility
1Cited by
1References
21Claims
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Assignee
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Key dates
| Filing date | Oct 7, 2003 |
| Grant date | Dec 21, 2004 |
| Priority date | — |
| Expiry date | Oct 7, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a method for preparing a bis(hydroxy-aromatic) compound which comprises the steps of: contacting at least one halo-substituted hydroxy-aromatic compound in a solvent mixture comprising water and at least one organic solvent in the presence of at least one base, at least one catalyst comprising palladium and hydrogen gas at a pressure in a range of between atmospheric pressure and 350 Kilopascals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.