Thermal and catalytic aspects of Ln(III) polymer–metal complexes
Version of Record online: 13 MAY 2009
Copyright © 2009 Society of Chemical Industry
Volume 58, Issue 7, pages 728–737, July 2009
How to Cite
Patel, M. M., Kapadia, M. A. and Joshi, J. D. (2009), Thermal and catalytic aspects of Ln(III) polymer–metal complexes. Polym. Int., 58: 728–737. doi: 10.1002/pi.2584
- Issue online: 16 JUN 2009
- Version of Record online: 13 MAY 2009
- Manuscript Accepted: 9 JAN 2009
- Manuscript Revised: 3 JAN 2009
- Manuscript Received: 8 SEP 2008
- polymer–metal complexes;
- thermal study;
BACKGROUND: In this era, polymer-supported catalysts are gaining more attention, as they are effective in reduction of pollution, production cost and give good yield. Due to the versatility of lanthanide catalysts in organic synthesis, we envisioned that lanthanides(III) supported polymers would afford a novel type of solid phase Lewis acids.
RESULTS: The polymer–metal complexes are found to be efficient and effective catalysts in the Biginelli three-component, one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones. The synthesized polymer is thermally more stable and porous in nature than polychelates.
CONCLUSION: The polymer–metal complexes can be used as economical and eco-friendly catalysts for synthesis of substituted 3,4-dihydropyrimidin-2(1H)-ones with different aromatic aldehydes and β-ketoesters. Thermal stability of the polymer is higher than that of polychelates due to the presence of intramolecular hydrogen bonding. Copyright © 2009 Society of Chemical Industry