Sonogashira reactions for the synthesis of polarized pentacene derivatives

Authors : Stephane SCHWEIZER, Guillaume ERBLAND, Philippe BISSERET, Jacques LALEVEE, Didier Le NOUEN, Nicolas BLANCHARD

Pages : 1180-1189

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Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :Five dissymmetrically functionalized anthracene analogues insert ignore into journalissuearticles values(\textbf{3a}--\textbf{e}); were synthesized from commercially available 9,10-dibromoanthracene through an efficient bromine--iodine exchange followed by two successive Sonogashira coupling reactions. The resulting TMS-anthracene analogues are interesting building blocks for the preparation of highly $\pi$-conjugated dissymmetric pentacene-based dyads, which could be used as active semiconducting layers for organic field-effect transistors insert ignore into journalissuearticles values(OFETs);.
Keywords : Sonogashira reaction, anthracene, pentacene, organic field effect transistors