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Substituent Effects in (k2-N,O)-Salicylaldiminato Nickel(II)-Methyl Pyridine Polymerization Catalysts : Terphenyls Controlling Polyethylene Microstructures

Substituent Effects in (k2-N,O)-Salicylaldiminato Nickel(II)-Methyl Pyridine Polymerization Catalysts : Terphenyls Controlling Polyethylene Microstructures

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GÖTTKER-SCHNETMANN, Inigo, Peter WEHRMANN, Caroline RÖHR, Stefan MECKING, 2007. Substituent Effects in (k2-N,O)-Salicylaldiminato Nickel(II)-Methyl Pyridine Polymerization Catalysts : Terphenyls Controlling Polyethylene Microstructures. In: Organometallics. 26(9), pp. 2348-2362. ISSN 0276-7333. eISSN 1520-6041

@article{Gottker-Schnetmann2007Subst-9696, title={Substituent Effects in (k2-N,O)-Salicylaldiminato Nickel(II)-Methyl Pyridine Polymerization Catalysts : Terphenyls Controlling Polyethylene Microstructures}, year={2007}, doi={10.1021/om0611498}, number={9}, volume={26}, issn={0276-7333}, journal={Organometallics}, pages={2348--2362}, author={Göttker-Schnetmann, Inigo and Wehrmann, Peter and Röhr, Caroline and Mecking, Stefan} }

<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/123456789/9696"> <dcterms:issued>2007</dcterms:issued> <dcterms:bibliographicCitation>First publ. in: Organometallics ; 26 (2007), 9. - S. 2348-2362</dcterms:bibliographicCitation> <dc:contributor>Göttker-Schnetmann, Inigo</dc:contributor> <dc:format>application/pdf</dc:format> <dc:creator>Göttker-Schnetmann, Inigo</dc:creator> <dc:contributor>Mecking, Stefan</dc:contributor> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:creator>Mecking, Stefan</dc:creator> <dcterms:title>Substituent Effects in (k2-N,O)-Salicylaldiminato Nickel(II)-Methyl Pyridine Polymerization Catalysts : Terphenyls Controlling Polyethylene Microstructures</dcterms:title> <dc:language>eng</dc:language> <dc:contributor>Röhr, Caroline</dc:contributor> <dc:rights>deposit-license</dc:rights> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T18:13:46Z</dc:date> <dc:contributor>Wehrmann, Peter</dc:contributor> <dcterms:abstract xml:lang="eng">A series of (k2-N,O)-salicylaldiminato Ni(II)-methyl pyridine complexes 7-pyr and 8-pyr derived from 3,5-diiodosalicyaldehyde (3a) and 3-(9-anthryl)salicylaldehyde (3b), and terphenylamines 2,6-(3,5- R-4-R-C6H2)2C6H3-NH2 (4a, R=CF3, R'= H; 4b, R=tBu, R'=H; 4c, R=tBu, R'=OH; 4d, R=Me, R'=H; 4e, R=Me, R'=MeO; 4f, R=MeO, R'=H; 4g, R=MeO, R'=MeO), was prepared by reaction of the respective salicylaldimine (5a-f, 6a-g) with [(tmeda)Ni(CH3)2] (tmeda) N,N,N,N-tetramethylethylenediamine) or [(pyridine)2Ni(CH3)2]. Complexes 7-pyr and 8-pyr are highly active single component catalysts for the polymerization of ethylene, producing a wide range of different polyethylene microstructures. While comparable complexes derived from 3a, 3b, 5-nitrosalicylaldehyde, 3-tertbutylsalicylaldehyde,3,5-[3,5-(CF3)2C6H3]2-salicylaldehyde, and 2,6-[3,5-(CF3)2C6H3]2C6H3-NH2 afford polyethylenes with similar degrees of branching, variation of the terphenyl moieties in complexes 7-pyr and 8-pyr allows access to a wide range of polyethylene microstructures under identical reaction conditions. The X-ray diffraction analyses of complexes 7b-pyr and 8f-pyr are reported.</dcterms:abstract> <dc:creator>Röhr, Caroline</dc:creator> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/9696"/> <dc:creator>Wehrmann, Peter</dc:creator> </rdf:Description> </rdf:RDF>

Dateiabrufe seit 01.10.2014 (Informationen über die Zugriffsstatistik)

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Supporting_Information_Substituent_Effects_in.pdf 37

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