Rapid consecutive three-component coupling-Fiesselmann synthesis of luminescent 2,4-disubstituted thiophenes and oligothiophenes Marco Teiber, and Thomas J. J. Müller* Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine- Universität Düsseldorf Universitätsstraße 1, D-40225 Düsseldorf Fax: (+)49 (0)211 81 14324 E-Mail: ThomasJJ.Mueller@uni-duesseldorf.de Electronic Supplementary Material (ESI) for Chemical Communications This journal is © The Royal Society of Chemistry 2012