Process for the ortho alkylation of phenols using aldehydes and hydrogen in the presence of a copper-chromium catalyst
US4048239A · kind A · utility
11Cited by
3References
7Claims
0Family size
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Key dates
| Filing date | Apr 13, 1976 |
| Grant date | Sep 13, 1977 |
| Priority date | — |
| Expiry date | Apr 13, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for selectively ortho-alkylating a phenolic compound which comprises reacting the phenolic compound with an aldehyde and hydrogen in the presence of a copper-chromium catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.