Please use this identifier to cite or link to this item:
http://nopr.niscpr.res.in/handle/123456789/15825| Title: | Oxidation of p-cresol catalyzed by neat and zeolite encapsulated cobalt salen complexes |
| Authors: | Joseph, Trissa Sajanikumari, C S Deshpande, S S Gopinathan, Sarada |
| Issue Date: | Aug-1999 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Salen and substituted salen schiff base complexes of cobalt(II) have been synthesized. These Complexes have been encapsulated in the supercages of Na-Y zeolite employing flexible ligand method. The neat as well as the zeolite encapsulated complexes have been characterised by XRD, FTIR and UV-vis spectroscopy. Aerial oxidation of p-cresol using these catalysts in presence of a base affords p-hydroxybenzaldehyde (PHBA) in good yield. Among the catalysts studied, cobalt-chlorosalen-Y gives almost 100% conversion of p-cresol with 97% selectivity towards PHBA with a turnover frequency of 1049/h. The spent encapsulated catalysts retain their identity after the oxidation reactions as seen from their IR spectra. |
| Page(s): | 792-796 |
| Appears in Collections: | IJC-A Vol.38A(08) [August 1999] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJCA 38A(8) 792-796.pdf | 1.03 MB | Adobe PDF | View/Open |
Items in NOPR are protected by copyright, with all rights reserved, unless otherwise indicated.