Abstract

In this account we report on our contribution to the synthesisof conjugated oligomers with defined structures. The targets ofour work are oligoenes, oligophenylenevinylenes, also with fluo-rinatedvinylene units, oligophenylenes, and oligomers with thiophene-aryleneor thiophene-anthraquinone units. The synthetic strategiesdeveloped in our research group are based on transition-metal-catalyzedcoupling reactions. This report is organized according to the syntheticmethodologies used (use of vinylsilanes, Stille cross-coupling,copper-promoted homocoupling, and Suzuki-Miyaura cross-coupling)rather than on the basis of the target mo-lecules obtained. 1 Introduction 2 The Use of Vinylsilanes in the Synthesis of Polyenes and Oligophenylenevinylenes 3 Stille Cross-Coupling 4 Copper-Promoted Homocoupling Reaction for the Syn-thesisof Fluorinated Oligophenylenes 5 Suzuki-Miyaura Cross-Coupling 6 Conclusions

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