作者:Takashi Murashima、Daiki Shiga、Keiji Nishi、Hidemitsu Uno、Noboru Ono
DOI:10.1039/b003211p
日期:——
Three series of dimers containing pyrrolo[3,4-e][2,1,3]benzothiadiazole units have been prepared by application of the Pd-catalyzed Suzuki coupling. The dependence of the HOMOâLUMO separation on coplanarity has been evaluated by means of electronic absorption spectra and cyclic voltammetry. The pyrrole dimer 5c shows a narrow HOMOâLUMO separation owing to its intrinsically planar structure, as confirmed by 1H NMR.
通过应用钯催化的铃木偶联反应,制备了包含吡咯并[3,4-e][2,1,3]苯并噻二唑单元的三系列二聚体。通过电子吸收光谱和循环伏安法评估了HOMO-LUMO能级间隔对共平面性的依赖性。吡咯二聚体5c因其固有的平面结构展现出狭窄的HOMO-LUMO能级间隔,这一点已通过1H NMR得到证实。