Product Application: Reagent use for： Suzuki-Miyaura cross-coupling reactions and shape-shifting in contorted dibenzotetrathienocoronenes; Oligothiophene self-assembly induction into fibers with tunable shape and function; Stille coupling and p-conjugated packing structure and hole mobility of bithiophene-bithiazole copolymers with alkyl-thiophene side chains. Reagent used in Preparation of: Solution-processed ambipolar field-effect transistor; Light harvesting small molecules for use in solution-processed small molecule bulk heterojunction solar cell devices; Light-emitting diode (OLED) materials; Unsymmetric substituted benzothiadiazole-containing vinyl monomers for RAFT polymerization; Pd-catalyzed condensations and synthesis of isoindigo-based oligothiophenes for molecuar bulk heterojunction solar cells; Thiophene-benzothiadiazole based donor-acceptor-donor materials.