Removal of hydroxyl-, carboxy-, or amino substituents from aromatic compounds using a group VI B catalyst
US4062904A · kind A · utility
1Cited by
4References
7Claims
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Key dates
| Filing date | Sep 27, 1976 |
| Grant date | Dec 13, 1977 |
| Priority date | — |
| Expiry date | Sep 27, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2527/047
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Substituent groups which are positioned on the nuclei of aromatic compounds may be removed therefrom by treating the substituted compound with hydrogen at an elevated temperature in the presence of hydrogenation catalysts and particularly transition metal oxides and sulfides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.