Abstract
Immobilized late transition metal complexes based on salicylaldimine ligands were used as catalysts in the wet air hydroxylation of phenol in the presence of hydrogen peroxide. Three metals, viz. cobalt, nickel and copper, and two different kinds of supports, namely, amorphous silica and mesoporous MCM-41, were employed. The effect of pH on the hydroxylation process was also investigated. It was observed that the regioselectivity of the hydroxylation process strongly depends on the kind of support employed.
| Original language | English |
|---|---|
| Pages (from-to) | 143-148 |
| Number of pages | 6 |
| Journal | Journal of Molecular Catalysis A: Chemical |
| Volume | 267 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 18 Apr 2007 |
Keywords
- Hydrogen peroxide
- Immobilized catalysts
- MCM-41
- Phenol hydroxylation
- Phenol oxidation
- Salicylaldimine complexes
ASJC Scopus subject areas
- Catalysis
- Process Chemistry and Technology
- Physical and Theoretical Chemistry
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