Electrochemically generated tungsten‐based active species as catalysts for metathesis‐related reactions: 2. Ring‐opening metathesis polymerization of norbornene | Zendy

Dereli Okan | Zendy; Düz Bülent | Zendy; ZümreoǧluKaran Birgül | Zendy; İmamoǧlu Yavuz | Zendy

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Electrochemically generated tungsten‐based active species as catalysts for metathesis‐related reactions: 2. Ring‐opening metathesis polymerization of norbornene

Author(s) -

Dereli Okan,

Düz Bülent,

ZümreoǧluKaran Birgül,

İmamoǧlu Yavuz

Publication year - 2004

Publication title -

applied organometallic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.53

H-Index - 71

eISSN - 1099-0739

pISSN - 0268-2605

DOI - 10.1002/aoc.569

Subject(s) - norbornene , chemistry , metathesis , polymerization , ring opening metathesis polymerisation , catalysis , polymer chemistry , double bond , salt metathesis reaction , tungsten , polymer , organic chemistry

The present work reports the application of the WCl 6 –e − –Al–CH 2 Cl 2 catalyst system to the ring‐opening metathesis polymerization of norbornene. Analysis of the polynorbornene microstructure by means of 1 H and 13 C NMR spectroscopy indicates that the polymer contains a mainly cis stereoconfiguration of the double bonds (σ c = 0.61) and a blocky distribution ( r t r c > 1) of cis and trans double bonds ( r t r c = 3.37). This catalytic system is reluctant to facilitate the competing addition reactions of cycloalkenes while proceeding with the polymerization reactions with good conversions and at short periods. Copyright © 2004 John Wiley & Sons, Ltd.

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