A1 Refereed original research article in a scientific journal
Imidotungsten(VI) complexes with chelating phenols as ROMP catalysts
Authors: Hakala J, Hanninen MM, Lehtonen A
Publisher: ELSEVIER SCIENCE BV
Publication year: 2011
Journal: Inorganic Chemistry Communications
Journal name in source: INORGANIC CHEMISTRY COMMUNICATIONS
Journal acronym: INORG CHEM COMMUN
Number in series: 9
Volume: 14
Issue: 9
First page : 1362
Last page: 1364
Number of pages: 3
ISSN: 1387-7003
DOI: https://doi.org/10.1016/j.inoche.2011.05.021
Abstract
Tungsten(VI) complexes of the type [W(NPh)Cl(3)(L)] (L = chelating phenolate) were studied as catalyst precursors for ROMP of 2-norbornene, dicyclopentadiene and 5-vinyl-2-norbomene. These compounds form active catalysts when treated by ethyl magnesium bromide. Moreover, polymerisations can be run under ambient atmosphere without complicated inert atmosphere techniques. Synthesis and crystal structure of a new precursor complex [W(NPh)Cl(3)(L(5))] (L(s) = 2,4-di-tert-butyl-6-(phenylthiomethyl)phenolate) are also described. (C) 2011 Elsevier B.V. All rights reserved.
Tungsten(VI) complexes of the type [W(NPh)Cl(3)(L)] (L = chelating phenolate) were studied as catalyst precursors for ROMP of 2-norbornene, dicyclopentadiene and 5-vinyl-2-norbomene. These compounds form active catalysts when treated by ethyl magnesium bromide. Moreover, polymerisations can be run under ambient atmosphere without complicated inert atmosphere techniques. Synthesis and crystal structure of a new precursor complex [W(NPh)Cl(3)(L(5))] (L(s) = 2,4-di-tert-butyl-6-(phenylthiomethyl)phenolate) are also described. (C) 2011 Elsevier B.V. All rights reserved.
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