Hydroxylation of aromatic compounds
US4208536A · kind A · utility
6Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1976 |
| Grant date | Jun 17, 1980 |
| Priority date | — |
| Expiry date | Dec 21, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Aromatic compounds of the general formula ##STR1## in which R and R.sub.o represents a hydrogen atom or an alkyl radical of 1 to 4 carbon atoms are hydroxylated by reaction with hydrogen peroxide in the presence of a catalytic amount of a strong acid and the reaction is carried out in the presence of an activator which is a juxtanuclear aromatic aldehyde or derivative thereof selected from an acetal or a benzhydrol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.