Process for the preparation of aminophenols
US4588841A · kind A · utility
2Cited by
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5Claims
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Key dates
| Filing date | Jun 13, 1984 |
| Grant date | May 13, 1986 |
| Priority date | — |
| Expiry date | Jun 13, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C215/76
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for the preparation of aminophenols with an increased proportion of the meta isomer comprising reacting hydrogen peroxide in a superacid liquid medium with anilines, N-alkylaniline, or N,N-dialkylanilines for a time and a temperature, ranging from about -50.degree. C. to 0.degree. C., sufficient to form the aminophenols.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.