Synthesis 2014; 46(24): 3415-3422
DOI: 10.1055/s-0034-1379074
paper
© Georg Thieme Verlag Stuttgart · New York

Pseudo Five-Component Synthesis of 3-(Hetero)arylmethyl-2,5-di(hetero)-aryl-Substituted Thiophenes via Sonogashira–Glaser Cyclization Sequence

Fabian Klukas
Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf, Germany   Fax: +49(211)8114324   Email: ThomasJJ.Mueller@uni-duesseldorf.de
,
Jörg Perkampus
Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf, Germany   Fax: +49(211)8114324   Email: ThomasJJ.Mueller@uni-duesseldorf.de
,
Dominik Urselmann
Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf, Germany   Fax: +49(211)8114324   Email: ThomasJJ.Mueller@uni-duesseldorf.de
,
Thomas J. J. Müller*
Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf, Germany   Fax: +49(211)8114324   Email: ThomasJJ.Mueller@uni-duesseldorf.de
› Author Affiliations
Further Information

Publication History

Received: 04 July 2014

Accepted after revision: 13 August 2014

Publication Date:
17 September 2014 (online)


Abstract

The Sonogashira–Glaser sequence combined with a microwave-assisted cyclization is a powerful tool to synthesize unsymmetrically substituted conjugated thiophenes. A variety of 3-(hetero)arylmethyl-2,5-di(hetero)aryl-substituted thiophenes could be synthesized in moderate to excellent yields using a single Pd/Cu catalyst system. The presented method is strikingly simple to perform using commercially available starting materials. The obtained trisubstituted oligothiophene derivatives are interesting molecules for materials science.

Supporting Information

 
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