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Reference type: Journal
Authors: Burri E, Severin K
Article Title: Molecular imprinting with ruthenium porphyrin catalysts.
Publication date: 2006
Journal: Chimia
Volume: 60
Issue: (4)
Page numbers: 182-184.
DOI: 0.2533/000942906777674868
Alternative URL: http://www.ingentaconnect.com/content/scs/chimia/2006/00000060/00000004/art00005

Abstract: A ruthenium meso-tetra[4-(vinylbenzoxy)benzyl]porphyrin catalyst with four polymerizable side chains was synthesized in three steps from commercially available starting materials. The polymerizable side chains allowed the incorporation of this complex in highly cross-linked mesoporous co-polymers. A block polymer and a molecularly imprinted polymer were prepared by co-polymerization with ethyleneglycol dimethacrylate using chloroform as the porogen. The imprinted polymer was prepared in the presence of aminodiphenylmethane as a template. Subsequent removal of the template created a substrate pocket next to the catalytically active center. Both polymers displayed a high catalytic activity for the oxidation of alcohols and alkanes with 2,6-dichloropyridine-N-oxide as the oxidant while the homogeneous catalyst was completely inactive. Furthermore, the imprinted polymer displayed a significant increase in activity compared to the block co-polymer
Template and target information: aminodiphenylmethane
Author keywords: catalyst, molecular imprinting, porphyrin, ruthenium


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