4,5-Propylenedithio-1,3-dithiole-2-thione and 4,5-propylenedithio-1,3-dithiol-2-one
摘要:
4,5-丙烯二硫-1,3-二硫杂-2-硫酮(C6H6S5)(I)在中心对称空间群 P21/c 中结晶。分子堆积的特点是相邻分子之间存在成对的 S...S 分子间接触,这可能是该晶体具有相当高的热稳定性的原因。4,5-丙烯二硫-1,3-二硫醇-2-酮,C6H6OS4,(II) 中的一个 O 原子取代了 (I) 中的末端 S 原子,在非中心对称极性空间群 Cc 中结晶。(II) 的堆积模式表明其大极化方向沿 [101]。虽然填料模式在性质上有很大不同,但 (I) 和 (II) 的分子结构却很相似,都呈现椅状构象。
The preparation of some unsymmetricaltetrathiafulvalenes and the electricalconductivities of their charge transfer complexes with tetracyanoquinodimethane (TCNQ) are described; the ethylenedithio(trimethylene)tetrathiafulvalene–TCNQ complex exhibited higher conductivity than complexes of tetrathiafulvalene, tetramethyltetrathia-fulvalene, and hexamethylenetetrathiafulvalene with TCNQ.
The title compound (1a) and its related unsymmetrical derivatives were prepared as new donors for organic conductors, and electrochemical properties and crystal structure of 1a were investigated. Several charge-transfer complexes and cation radical salts using them showed metallic temperature dependence of conductivity down to ca. 100 K.
Synthesis of new TTF-anthracene dyads as potential fluorescence probe for<sup>1</sup>O<sub>2</sub>
作者:Wei Liu、Jing-Hua Lu、Ming Xu、Jing-Lin Zuo、Xiao-Zeng You
DOI:10.1002/jhet.5570430640
日期:2006.11
Three newfluorescenceprobes for 1O2 with different electron-rich tetrathiafulvalene and anthracene units have been synthesized and characterized. Among them, compound 3c, 2,3-bis[2-(9-anthryloxy) ethylthio]-6,7-(propylenedithio)-1,4,5,8-tetrathiafulvalene, is very sensitive and may act as the fluorescenceprobe for 1O2.
合成并表征了三种具有不同电子富集的四硫富瓦烯和蒽单元的1 O 2新型荧光探针。其中,化合物3c,2,3-双[2-(9-蒽氧基)乙硫基] -6,7-(丙烯二硫基)-1,4,5,8-四硫富瓦烯非常敏感,可以用作荧光探针为1 O 2。
Novel Electron Donors for Organic Conductors. Benzo[c]thiophene-Extended Analogues of Methylene-, Ethylene-, and Propylenedithiotetrathiafulvalene
作者:Kazuko Takahashi、Toshihiro Ise
DOI:10.1246/cl.1995.77
日期:1995.1
Three alkylenedithio derivatives of 1,3-bis(1,3-dithiol-2-ylidene)-1,3-dihydrobenzo[c]thiophene (BDTBT) have been synthesized. These donors exhibited an electron-donating ability near to that of tetrathiafulvalene and afforded a very stable radical cation. The powdered tetracyanoquinodimethane complex of the methylenedithio derivative exhibited a fairly high room temperature conductivity of σ = 15 Scm−1 and a semiconducting behavior with a very low activation energy of Ea = 0.050 eV.
A series of new unsymmetrical tetrathiafulvalene carboxylate derivatives (7-11) were synthesized and characterized by NMR, MS, electrochemical studies and X-ray crystal structural determination. Compound 8 showed obvious changes in redox peak potentials as the concentration of p-toluenesulfonic acid changes.