Abstract
The development of novel acene structures is of great interest due to their potential applications for organic electronics like field-effect transistors. In this regard, we have newly designed and synthesized three thiophene-fused anthracene derivatives, dithieno[a,c]anthracenes. Our synthetic methodology is based on successive the aryl-aryl coupling and Bergman cyclization in a one-pot procedure. It is well known that the reactivity of cyclic enediynes in Bergman cyclization are deeply depends on the distance of acethylene carbon atoms of the enediyne systems. In this presentation, we will report on the synthesis and structure-property relationship of new thiopene-fused acene derivatives.