Microwave-assisted McMurry polymerization utilizing low-valent titanium for the synthesis of poly 2,6-[1,5-bis(dodecyloxy)naphthylene vinylene] (PNV)

Poly 2,6-[1,5-bis(dodecyloxy)naphthylene vinylene] is synthesized by microwave-assisted McMurry polymerization utilizing low-valent titanium generated from titanium tetrachloride and zinc. The obtained polymer is fluorescent with an average molecular weight of approximately 65,000 g/mol and a polydi...

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Bibliographic Details
Published in:Tetrahedron letters 2009-12, Vol.50 (52), p.7374-7378
Main Authors: Thomas, Henrik, Stuhr-Hansen, Nicolai, Westerlund, Fredrik, Laursen, Bo W., Magnussen, Magnus, Sørensen, Henning O., Bjørnholm, Thomas, Christensen, Jørn B.
Format: Article
Language:English
Subjects:
McMurry polymerization
Microwave-assisted
PNV
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Summary:Poly 2,6-[1,5-bis(dodecyloxy)naphthylene vinylene] is synthesized by microwave-assisted McMurry polymerization utilizing low-valent titanium generated from titanium tetrachloride and zinc. The obtained polymer is fluorescent with an average molecular weight of approximately 65,000 g/mol and a polydispersity of M w/ M n ≈ 3. Absorption and fluorescence spectroscopy in solution and on spin-cast thin films reveal that the bis-alkoxy substituted PNV has a short effective conjugation length but a quite efficient exciton migration.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2009.10.083