Targeting π-Conjugated Multiple Donor-Acceptor Motifs Exemplified by Tetrathiafulvalene-Linked Quinoxalines and Tetrabenz[bc,ef,hi,uv]ovalenes: Synthesis, Spectroscopic, Electrochemical, and Theoretical Characterization
作者:Hong-Peng Jia、Jie Ding、Ying-Fen Ran、Shi-Xia Liu、Carmen Blum、Irina Petkova、Andreas Hauser、Silvio Decurtins
DOI:10.1002/asia.201100515
日期:2011.12.2
diamine moieties, 2‐[5,6‐diamino‐4,7‐bis(4‐pentylphenoxy)‐1,3‐benzodithiol‐2‐ylidene]‐4,7‐bis(4‐pentylphenoxy)‐1,3‐benzodithiole‐5,6‐diamine (2), is reported. The subsequent Schiff‐base reactions of 2 afford large π‐conjugated multiple donor–acceptor (D–A) arrays, for example, the triad 2‐[4,9‐bis(4‐pentylphenoxy)‐1,3‐dithiolo[4,5‐g]quinoxalin‐2‐ylidene]‐4,9‐bis(4‐pentylphenoxy)‐1,3‐dithiolo[4,5‐g]quinoxaline
一种有效的合成方法,用于对称官能化的四硫富瓦烯(TTF)衍生物,具有两个二胺部分,即2- [5,6-二氨基-4,7-双(4-戊基苯氧基)-1,3-苯并二硫醇-2-亚烷基] -4-据报道,有7-双(4-戊基苯氧基)-1,3-苯二甲硫基-5,6-二胺(2)。随后的2的席夫碱反应提供了较大的π共轭多个供体-受体(DA)阵列,例如,三单元组2- [4,9-双(4-戊基苯氧基)-1,3-二硫代[4] ,5 - g ]喹喔啉-2-亚基] -4,9-双(4-戊基苯氧基)-1,3-二硫代[4,5- g ]喹喔啉(8)和相应的四苯并[ bc,ef,hi, uv ] ovalene融合五单元组1,收率高且纯度高。新型氧化还原活性纳米石墨烯1是迄今为止最大的已知TTF-官能化多环芳烃(PAH),具有良好的1 H NMR光谱。高度电化学的两性五单元组1和三单元组8在不同的氧化态下表现出各种电子激发的电荷转移状态,