Franco Andreani, Luigi Angiolini, Daniele Caretta and Elisabetta Salatelli
3,3″-Di[(S)-(+)-2-methylbutyl]-2,2′:5′,2″-terthiophene, having two equivalent reactive positions, allows the synthesis of the corresponding optically active poly(thiophene) with regioregular enchainment by using an aspecific oxidative polymerization method.