Process for the selective ortho-alkylation of a phenol in the presence of a copper-chromium catalyst
US4165439A · kind A · utility
7Cited by
3References
8Claims
0Family size
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Key dates
| Filing date | Nov 21, 1977 |
| Grant date | Aug 21, 1979 |
| Priority date | — |
| Expiry date | Nov 21, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the selective ortho-alkylation of a phenolic compound which comprises reacting at a temperature of at least 185.degree. C. in the presence of a copper chromite catalyst said phenolic compound with an alkanol of 1 to about 12 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.