Neutral and cationic yttrium alkyl complexes with linked 1,4,7-triazacyclononane-amide monoanionic ancillary ligands: synthesis and catalytic ethene polymerisation
- 14 March 2001
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 7,p. 637-638
- https://doi.org/10.1039/b101012n
Abstract
Yttrium dialkyl complexes [N,N′-R2-tacn-N″-(CH 2)2NBut]Y(CH2SiMe3) 2 (R = Me, Pri; tacn = 1,4,7-triazacyclononane) were prepared; when activated with [PhNMe2H][B(C6F5)4] these complexes form cationic alkyl species that are active ethene polymerisation catalysts.Keywords
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