Process for producing pyrogallol and derivatives thereof
US3932538A · kind A · utility
2Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1974 |
| Grant date | Jan 13, 1976 |
| Priority date | — |
| Expiry date | Sep 30, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/05
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing pyrogallol or 5-substituted pyrogallol having the formula: ##SPC1## Wherein R is selected from the group consisting of alkyl, cycloalkyl, aryl, and aralkyl, or a mixture thereof which comprises heating an aqueous solution of 4-substituted-2,6-diaminophenol or 4-substituted-2,6-diamino 1-alkoxybenzene having the formula: ##SPC2## Wherein R is as defined above and A is selected from the group consisting of hydrogen and alkyl, under acid conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.