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Paper | Regular issue | Vol 81, No. 6, 2010, pp.1445-1457
Published online, 9th April, 2010
DOI: 10.3987/COM-10-11934
Rod-Like Conjugated Molecules with Ethynylene Linkage and Pyridazines Moieties: Synthesis and Light Emitting Properties

Caroline Hadad, Catherine Fiol-Petit, Anne-Sophie Cornec, Georges Dupas, Yvan Ramondenc, and Nelly Plé*

*Department of Heterocyclic Chemistry (LCOFH), UMR 6014 CNRS, INSA and University of Rouen, 8 rue Tenière, 76131 Mont-Saint-Aignan Cedex, France

Abstract

In this paper, we describe the synthesis of various rod-like conjugated molecules with ethynyl and vinylpyridazines units. The key steps involve Sonogashira cross-coupling and condensation reactions. The light-emitting properties of some molecules are investigated in terms of absorption and emission spectra.