Synthesis and structure of stable cis-dimethyl complex of oxotungsten(VI) |
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| Authors: | Ari Lehtonen Reijo Sillanpää |
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| Institution: | a Laboratory of Materials Chemistry and Chemical Analysis, Department of Chemistry, University of Turku, FIN-20014 Turku, Finland
b Laboratory of Inorganic Chemistry, Department of Chemistry, University of Jyväskylä, FIN-40351 Jyväskylä, Finland |
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| Abstract: | Oxotungsten(VI) complex cis-WO(LtBu)Me2] (LtBu = methylamino-N,N-bis(2-methylene-4-methyl-6-tert-butylphenolate) dianion) was prepared by the transmetallation reaction of WO(LtBu)Cl2] (either cis or trans isomer) with methyl magnesium iodide. This unexpectedly stable dialkyl complex can be activated by Et2AlCl to catalyze the ring-opening metathesis polymerization of norbornene. |
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| Keywords: | Alkoxide complexes Phenolate ligands Tungsten Alkyl ligands |
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