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Issue 2, 1999
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Synthesis and characterization of structurally defined head-to-tail coupled oligo(3-alkylthiophenes)

Abstract

A very efficient and selective synthesis to regioregular HT-coupled oligo(3-alkylthiophenes) has been developed. A series of benzyl ester-capped oligothiophenes up to the decamer has been synthesized using successive iodination/Suzuki-coupling reaction sequences. For the corresponding hexamer it was shown that saponification and decarboxylation to the HT-coupled oligo(3-alkylthiophene) proceeds in high yields. The dependence of the electronic properties on the chain length of the conjugated oligomers was investigated. The oligomers form very stable and well-ordered adsorbates at the solid–liquid interface and these were imaged by scanning tunneling techniques.

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New J. Chem., 1999,23, 241-250
Article type
Paper

Synthesis and characterization of structurally defined head-to-tail coupled oligo(3-alkylthiophenes)

T. Kirschbaum, R. Azumi, E. Mena-Osteritz and P. Bäuerle, New J. Chem., 1999, 23, 241
DOI: 10.1039/A808026G

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