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High tacticity control in organolanthanide polymerization catalysis: formation of isotactic poly(alpha-alkenes) with a chiral C-3-symmetric thulium complex

Lukešová, L., Ward, Benjamin David, Bellemin-Laponnaz, S., Wadepohl, H. and Gade, L. H. 2007. High tacticity control in organolanthanide polymerization catalysis: formation of isotactic poly(alpha-alkenes) with a chiral C-3-symmetric thulium complex. Dalton Transactions (9) , pp. 920-922. 10.1039/B700269F

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Abstract

The thulium complexes [Tm(iPr-trisox)(CH2SiMe2R)3] (R = Me 1a, Ph 1b) were synthesized from the thulium trialkyl precursors [Tm(CH2SiMe2R)3(thf)2]; reaction of 1a with two equivalents of [Ph3C][B(C6F5)4] gave a cationic complex 1c, which was found to polymerize 1-hexene, 1-heptene and 1-octene to give the corresponding polyolefins with moderate to good activities and with minimum isotacticity of 90%, 83% and 95%, respectively.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1364-5447
Last Modified: 04 Jun 2017 02:08
URI: http://orca.cf.ac.uk/id/eprint/9723

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