Process for the preparation of trimethyl-p-benzoquinone
US4151183A · kind A · utility
0Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 23, 1974 |
| Grant date | Apr 24, 1979 |
| Priority date | — |
| Expiry date | Oct 23, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C46/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Trimethyl-p-benzoquinone is produced in good yields quickly by oxidation of 2,3,6-trimethyl-phenol in the presence of a complex cobalt salt of the general formula: ##STR1## in which: R.sup.1 and R.sup.2, which can be identical or different, each represents an alkoxy radical possessing 1 to 4 carbon atoms, and R.sup.3 represents a divalent hydrocarbon radical possessing 2 to 15 carbon atoms, in an inert organic solvent medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.