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Metathesis catalysts in confining reaction fields-confinement effects vs. surface effects

Metathesis catalysts in confining reaction fields-confinement effects vs. surface effects

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POLARZ, Sebastian, B. VOELKER, Felix JEREMIAS, 2010. Metathesis catalysts in confining reaction fields-confinement effects vs. surface effects. In: Dalton Trans.. 39(2), pp. 577-584. ISSN 1477-9226. eISSN 1477-9234

@article{Polarz2010-01-14Metat-13970, title={Metathesis catalysts in confining reaction fields-confinement effects vs. surface effects}, year={2010}, doi={10.1039/B911795B}, number={2}, volume={39}, issn={1477-9226}, journal={Dalton Trans.}, pages={577--584}, author={Polarz, Sebastian and Voelker, B. and Jeremias, Felix} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/13970"> <dcterms:abstract xml:lang="eng">It has been recognized previously that inside nanosized cavities like in mesoporous materials a small ensemble situation can be realized. The limited number of reactants per confinement leads to unusual chemical behaviour whenever inter- vs. intramolecular pathways compete against each other. Therefore, the metathesis reaction might represent a chemical process for which the product distribution is influenced by a confining reaction field. In the current paper we report about the unusual reactivity of the Grubbs generation I catalyst inside mesoporous silica materials. It has been observed that due to a combination of confinement and surface effects the Grubbs catalyst is not stable inside small pores. It quickly rearranges to a variety of unexpected products. However, the undesired deactivation of the catalyst can be prohibited by surface modification of the silica surfaces.</dcterms:abstract> <dc:contributor>Voelker, B.</dc:contributor> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/13970"/> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-07-11T08:57:34Z</dc:date> <dc:creator>Polarz, Sebastian</dc:creator> <dcterms:issued>2010-01-14</dcterms:issued> <dc:contributor>Jeremias, Felix</dc:contributor> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-07-11T08:57:34Z</dcterms:available> <dc:rights>deposit-license</dc:rights> <dc:creator>Voelker, B.</dc:creator> <dcterms:bibliographicCitation>First publ. in: Dalton Transactions 39 (2010), 2, pp. 577-584</dcterms:bibliographicCitation> <dc:language>eng</dc:language> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dc:contributor>Polarz, Sebastian</dc:contributor> <dcterms:title>Metathesis catalysts in confining reaction fields-confinement effects vs. surface effects</dcterms:title> <dc:creator>Jeremias, Felix</dc:creator> </rdf:Description> </rdf:RDF>

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