Hydroxylation or aromatic compounds
US3953527A · kind A · utility
2Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1973 |
| Grant date | Apr 27, 1976 |
| Priority date | — |
| Expiry date | May 1, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/60
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Aromatic compounds of formula ##SPC1## In which R and R.sup.1 are independently hydrogen or C.sub.1 - C.sub.4 alkyl are hydroxylated with hydrogen peroxide and a phosphorus compounds, which is a phosphoric acid, ester thereof, halogenophosphoric acid, ester thereof, phosphorus pentoxide, phosphorus halide or oxyhalide, in the absence of acid of pK < -0.1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.