4H-Dithieno[2,3-b:3′,2′-e][1,4]thiazines – synthesis and electronic properties of a novel class of electron rich redox systems
作者:Catherine Dostert、Claudia Wanstrath、Walter Frank、Thomas J. J. Müller
DOI:10.1039/c2cc32731g
日期:——
Quantum chemical screening reveals that 4H-dithieno[2,3-b:3',2'-e][1,4]thiazines possess the highest HOMO among four constitutional isomers, even 0.27 eV higher in energy than the well established 10H-phenothiazine. N-Substituted 4H-dithieno[2,3-b:3',2'-e][1,4]thiazines are readily accessible by twofold Pd-catalyzed amination. According to cyclic voltammetry dithienothiazines are reversibly oxidized
量子化学筛选显示,4H-二硫代[2,3-b:3',2'-e] [1,4]噻嗪在四种结构异构体中拥有最高的HOMO,甚至比公认的10H-高0.27 eV。吩噻嗪。N-取代的4H-二硫代[2,3-b:3',2'-e] [1,4]噻嗪可通过双重Pd催化的胺化反应轻松获得。根据循环伏安法,二噻吩噻嗪可逆地被氧化,可以被认为是功能性pi系统的新供体。