Core-Tetrasubstituted Naphthalene Diimides by Stille Cross-Coupling Reactions and Characterization of Their Optical and Redox Properties
摘要:
在钯催化下,2,3,6,7-四溴萘二亚胺与各种芳基和炔基锡烷发生交叉偶联反应,生成了一系列迄今未知的四芳基和四乙炔基取代的萘二亚胺(NDIs)。紫外/可见光谱研究表明,与未取代和四芳基取代的 NDI 相比,乙炔基取代的 NDI 的吸收最大值发生了明显的浴色偏移。循环伏安法研究表明,乙炔基取代基会使 NDIs 的还原电位发生阳极移动,因此这些 NDI 衍生物是空气稳定 n 沟道有机场效应晶体管的理想候选材料。
Core-Tetrasubstituted Naphthalene Diimides by Stille Cross-Coupling Reactions and Characterization of Their Optical and Redox Properties
作者:Frank Würthner、Sabin-Lucian Suraru
DOI:10.1055/s-0029-1216785
日期:2009.6
The palladium-catalyzed cross-coupling reaction of 2,3,6,7-tetrabromonaphthalene diimide with various aryl- and alkynylstannanes afforded a series of hitherto unknown tetraaryl- and tetraethynyl-substituted naphthalene diimides (NDIs). UV/Vis spectroscopic studies revealed that the absorption maxima of ethynyl-substituted NDIs are significantly bathochromically shifted compared to those of unsubstituted and tetraaryl-substituted NDIs. Cyclic voltammetry investigations showed that ethynyl substituents shift the reduction potentials of NDIs anodically, thus these NDI derivatives are interesting candidates for air-stable n-channel organic field-effect transistors.
在钯催化下,2,3,6,7-四溴萘二亚胺与各种芳基和炔基锡烷发生交叉偶联反应,生成了一系列迄今未知的四芳基和四乙炔基取代的萘二亚胺(NDIs)。紫外/可见光谱研究表明,与未取代和四芳基取代的 NDI 相比,乙炔基取代的 NDI 的吸收最大值发生了明显的浴色偏移。循环伏安法研究表明,乙炔基取代基会使 NDIs 的还原电位发生阳极移动,因此这些 NDI 衍生物是空气稳定 n 沟道有机场效应晶体管的理想候选材料。