探索了在Shapiro反应条件下由6,13-二氢-6,13-乙炔戊并to的甲苯磺酰基formation形成并五苯的可能性,因为先前的研究表明,桶烯的甲苯磺酰基zone(双环[2.2.2]八碳三烯)可生成苯在这些条件下[C. T. Preuss的Weitemeyer和A. de Meijere的化学。Ber。,1985,118,3993]。基于涉及阴离子,单体(包括二甲醚溶剂化物)和二聚有机锂化合物的同渗方程的计算分析表明,苯形成是放热的,但并五苯形成是吸热的,这是由于锂衍生物的稳定性增加和锂的稳定性降低所致。并五苯。计算预测通过实验研究得到证实。
15-Acetoxy- and 15-hydroxy-6,13-dihydro-6,13-ethanopentacenes sublimed over 300 degrees C and no pentacene was formed below the temperature. The precursors bearing chlorinated epithiomethano bridges suffered complicated decomposition to give oligomeric pentacene derivatives. The precursor bearing an epithio-oxomethano bridge underwent smooth and clean conversion to pentacene by heat or light. An organic field-effect transistor fabricated by the spin-coating method of the precursor followed by light irradiation at 120 degrees C showed a good FET performance of mu=2.5 x 10(-2) cm(2) V-1 s(-1) and on/off ratio=3.8 x 10(4). (C) 2010 Elsevier Ltd. All rights reserved.
The Shapiro reaction of barrelene derivatives: the influence of annelation on acene formation
作者:Holger F. Bettinger、Rajib Mondal、Christina Tönshoff
DOI:10.1039/b804076a
日期:——
The possible formation of pentacene from a tosylhydrazone of 6,13-dihydro-6,13-ethenopentacene under the conditions of the Shapiro reaction is explored, as previous work demonstrated that the tosylhydrazone of barrelene (bicyclo[2.2.2]octatriene) yields benzene under these conditions [C. Weitemeyer, T. Preuss, and A. de Meijere, Chem. Ber., 1985, 118, 3993]. The computational analyses based on homodesmotic
探索了在Shapiro反应条件下由6,13-二氢-6,13-乙炔戊并to的甲苯磺酰基formation形成并五苯的可能性,因为先前的研究表明,桶烯的甲苯磺酰基zone(双环[2.2.2]八碳三烯)可生成苯在这些条件下[C. T. Preuss的Weitemeyer和A. de Meijere的化学。Ber。,1985,118,3993]。基于涉及阴离子,单体(包括二甲醚溶剂化物)和二聚有机锂化合物的同渗方程的计算分析表明,苯形成是放热的,但并五苯形成是吸热的,这是由于锂衍生物的稳定性增加和锂的稳定性降低所致。并五苯。计算预测通过实验研究得到证实。
Pentacene precursors for solution-processed OFETs
作者:Hiroki Uoyama、Hiroko Yamada、Tetsuo Okujima、Hidemitsu Uno
DOI:10.1016/j.tet.2010.06.051
日期:2010.8
15-Acetoxy- and 15-hydroxy-6,13-dihydro-6,13-ethanopentacenes sublimed over 300 degrees C and no pentacene was formed below the temperature. The precursors bearing chlorinated epithiomethano bridges suffered complicated decomposition to give oligomeric pentacene derivatives. The precursor bearing an epithio-oxomethano bridge underwent smooth and clean conversion to pentacene by heat or light. An organic field-effect transistor fabricated by the spin-coating method of the precursor followed by light irradiation at 120 degrees C showed a good FET performance of mu=2.5 x 10(-2) cm(2) V-1 s(-1) and on/off ratio=3.8 x 10(4). (C) 2010 Elsevier Ltd. All rights reserved.