Sheikh, Safoora and Bhattacharyya, Aditya and Henriquez, Marco A. and Nasseri, Mohammad Ali and Chahkandi, Mohammad and Allahresani, Ali and Reiser, Oliver (2024) Water-Dispersible, Magnetically Recyclable Heterogeneous Cobalt Catalyst for C-C and C-N Cross-Coupling Reactions in Aqueous Media. ACS OMEGA, 9 (29). pp. 31393-31400. ISSN 2470-1343,
Full text not available from this repository. (Request a copy)Abstract
A cobalt catalyst supported on an iron oxide core, denoted as gamma-Fe2O3@PEG@THMAM-Co, has been prepared and characterized by Fourier transform infrared spectroscopy, X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray mapping, thermogravimetry differential thermogravimetry, vibrating sample magnetometry, and inductively coupled plasma. Polyhydroxy end groups in the shell make the catalyst particles dispersible in water, allowing Hiyama, Suzuki, and C-N cross-coupling reactions of aryl iodides and bromides. The catalyst could be recovered by magnetic decantation and reused for at least five successive runs with a negligent decrease in its activity or changes in its morphology. Water as a solvent without requiring additives, surfactants, or organic co-solvents, as well as an abundant and low-cost cobalt catalyst combined with facile recovery, low leaching, and scalability, provides an environmentally and economically attractive alternative to established palladium-catalyzed C-C and C-N coupling reactions.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | SUZUKI-MIYAURA; GAMMA-FE2O3 NANOPARTICLES; PALLADIUM; COMPLEX; LIGAND; HYDROGENATION; NANOCATALYST; ALKYNES; ESTERS; MILD; |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Oliver Reiser |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 29 Jul 2025 09:26 |
| Last Modified: | 29 Jul 2025 09:26 |
| URI: | https://pred.uni-regensburg.de/id/eprint/64143 |
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