Luminescent digold ethynyl thienothiophene and dithienothiophene complexes; their synthesis and structural characterisation
作者:Peiyi Li、Birte Ahrens、Neil Feeder、Paul R. Raithby、Simon J. Teat、Muhammad S. Khan
DOI:10.1039/b415965a
日期:——
π-conjugation through the fused oligothienyl linker unit in the backbone, 2,5-bis(trimethylsilylethynyl)thieno[3,2-b]thiophene 1a, 5,5′-bis(trimethylsilylethynyl)dithieno[3,2-b:2′,3′-d]thiophene 1b, 2,5-bis(ethynyl)thieno[3,2-b]thiophene 2a, 5,5′-bis(ethynyl)dithieno[3,2-b:2′,3′-d]thiophene 2b, has been synthesized and characterised. The digold alkynyl complexes [(Ph3P)Au(CC)(C6H2S2)(CC)Au(PPh3)] 3a and
一系列受保护的和末端的二炔,通过骨架中的稠合的寡噻吩基连接单元扩展的π-共轭,2,5-双(三甲基甲硅烷基乙炔基)噻吩并[3,2- b ]噻吩1a,5,5'-双(三甲基甲硅烷基乙炔基) dithieno [3,2- b:2',3'- d ]噻吩1b,2,5-双(乙炔基)噻吩并[3,2- b ]噻吩 如图2a所示,已经合成并表征了5,5'-双(乙炔基)二硫代[3,2- b:2',3'- d ]噻吩2b。二甲炔基络合物[(Ph 3 P)Au(C C)(C 6 H 2 S 2)(C C)Au(PPh 3)] 3a和[(Ph 3 P)Au(C C)(C 8 H 2小号3)(C C)的Au(PPH 3)] 图3b项目都得到了通过pH的两个当量的反应制备3 PAuCl和的甲醇KOH溶液1A和1b分别。配合物已在光谱上表征。晶体结构表明,金中心采用适合Au(I)络合物的线性二坐标几何形状。在晶体内,相邻分子通过Au⋯S分子间相互作用在3