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本文用3,4-二苯基-2,5-二(3,5-二溴苯基)环戊二烯酮(4a)与二苯乙炔(5a)通过Diels-Alder环加成反应得到1,2,4,5-四苯基-3,6-二(3,5-二溴苯基)苯(6a)。化合物6a通过经典的Suzuki偶联反应得到1,2,4,5-四苯基-3,6-二(3,5-二(4-十二烷基噻吩))苯基苯(8a),再利用Fe Cl3作为氧化剂发生Scholl氧化脱氢关环反应,得到目标化合物1a。采用类似合成方法,得到目标化合物1b。化合物的结构均通过1H NMR和MALDI-TOF MS表征,并对其光谱特征、热性能及电学性能进行了初步研究。
Diels-Alder cycloaddition reaction of 3,4-diphenyl-2,5-bis (3,5-dibromophenyl) cyclopentadienone (4a) with the benzenes (5a) , 2,4,5-tetraphenyl-3,6-bis (3,5-dibromophenyl) benzene (6a). Compound 6a gave 1,2,4,5-tetraphenyl-3,6-bis (3,5-bis (4-dodecylthiophene)) phenylbenzene (8a) via classical Suzuki coupling reaction, Re-use of Fe Cl3 as oxidant Scholl oxidation dehydrogenation ring closure reaction, the target compound 1a. Using a similar synthetic procedure, the target compound Ib was obtained. The structures of the compounds were characterized by 1H NMR and MALDI-TOF MS. Their spectral characteristics, thermal properties and electrical properties were studied.