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Unformatted text preview: F E AT U R E A R T I C L E Journal of Materials Chemistry www.rsc.org/materials Synthesis of conjugated oligomers and polymers: the organometallic way Francesco Babudri, a,b Gianluca M. Farinola a and Francesco Naso* a,b a Dipartimento di Chimica, Universita ` degli Studi di Bari, via Orabona, 4, Bari I-70126, Italy b CNR ICCOM, Dipartimento di Chimica, Universita ` degli Studi di Bari, via Orabona, 4, I-70126, Italy. E-mail: email@example.com; Fax: 0039 080 5442924; Tel: 0039 080 5442073 Received 8th August 2003, Accepted 29th October 2003 First published as an Advance Article on the web 2nd December 2003 Results of special interest in the field of organometallic chemistry directed towards the synthesis of conjugated oligomers and polymers are reviewed. Methodologies widely employed in the synthesis of well-defined molecules and based on the transition metal catalyzed coupling reactions of various organometallic (B, Sn, Si, Mg and Zn) reagents have been more recently extended to build up poly- or oligo-meric conjugated molecular architectures. Although the focus of the present work is on transition metal cross-coupling or homo-coupling processes, other useful organometallic routes, such as metathesis reactions and acetylene polymerization, have also been dealt with. Owing to their higher versatility with respect to the non- organometallic processes commonly used for the synthesis of these materials, the approaches presented allow the realization of more complex molecular structures, which are nowadays required in many electronic and optoelectronic applications. The use of organometallic strategies has been discussed from a synthetic organic chemists point of view, and advantages and limitations of the different methodologies reviewed have been highlighted. Some attention has also been paid to the properties of the resulting materials and to their dependence on the procedure followed and the framework obtained. DOI :10.1039/b309515k Francesco Babudri was born in Bari (Italy) in 1953 and received his Laurea in Chemistry from the University of Bari in 1976. He started his career as a Researcher in 1978 at the Department of Chemistry of the same University, working with Professor S. Florio in the field of organometallic chemistry. After a stay at the Laboratoire de Chimie of the Ecole Normale Super- ieure in Paris (1988) with Professor P. Sinay , he joined the research group of Professor F. Naso at the University of Bari, working in the field of organometallic chemistry applied to the synthesis of poly- unsaturated compounds. Currently, he is Professor of Organic Chemistry at the same University. His main research interests focus on polymer chemistry, materials, and synthetic strategies....
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