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Synfacts 2010(10): 1129-1129  
DOI: 10.1055/s-0030-1258639
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart ˙ New York

An Extended Polythiophene with Interesting Core Synthesis

Contributor(s): Timothy M. Swager, Stefanie A. Sydlik
R. Rieger, D. Beckmann, W. Pisula, M. Kastler, K. Müllen*
Max Planck Institute for Polymer Research, Mainz, Germany
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Publication History

Publication Date:
22 September 2010 (online)

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Significance

A novel extended polythiophene derivative 4 was synthesized (M n = 18 kDa, PDI = 2.3). The key step in the monomer syn­thesis (1 → 2) is accomplished in 78% yield by a novel base-induced cyclization.