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首页> 外文期刊>RSC Advances >Aryl-fused tetrathianaphthalene (TTN): synthesis, structures, properties, and cocrystals with fullerenes
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Aryl-fused tetrathianaphthalene (TTN): synthesis, structures, properties, and cocrystals with fullerenes

机译：芳基四亚烷萘（TTN）：用富勒烯合成，结构，性质和钴烯酮

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摘要

1,4,5,8-Tetrathianaphthalene (TTN) is the structural isomer of tetrathiafulvalene (TTF). Herein, the title arylfused TTNs (TTN1-TTN9) have been synthesized from a zinc-thiolate complex (TBA)(2)[Zn(DMIT)(2)] via a twofold Cu-catalyzed C-S coupling reaction. These TTNs can be transformed into the corresponding arylfused TTF isomers by reaction with FeCl3. The electronic properties of these TTNs were studied by absorption spectroscopy, electrochemistry, and theoretical calculations, which reveal that these TTNs show weak electron donating ability as compared with their TTF isomers. Crystallographic analyses indicate that these TTNs take the chair-like conformation, i.e., having two curved surfaces that are of shape complementary to fullerene molecules. Consequently, these TTNs show strong affinity toward C-60/C-70 to form cocrystals. In the cocrystals, the fullerene molecules are encapsulated by the curved surfaces of TTN molecules through multiple intermolecular atomic contacts. While the interaction modes between TTNs and fullerene molecules are very similar, the packing patterns of the cocrystals can be finely tuned by varying the solvents. Moreover, the fullerene molecules form tight stacks as column arrays or two-dimensional sheets.
机译：1,4,5,8-四亚烷萘（TTN）是四硫甲戊二烯（TTF）的结构异构体。这里，通过双重Cu催化的C-S偶联反应从硫醇酸酯复合物（TBA）（2）[Zn（DMIT）（2）]中合成标题芳基FUTD TTNS（TTN1-TTN9）。这些TTN可以通过与FECL3反应转化为相应的芳基除去TTF异构体。通过吸收光谱，电化学和理论计算研究了这些TTN的电子性质，揭示这些TTN与其TTF异构体相比显示出弱电子捐献能力。结晶分析表明这些TTN采用椅子状构象，即具有两种曲面与富勒烯分子互补的曲面。因此，这些TTN朝向C-60 / C-70表现出强烈的亲和力以形成钴。在Cocrystals中，富勒烯分子通过多个分子原子接触的TTN分子的弯曲表面包封。虽然TTN和富勒烯分子之间的相互作用模式非常相似，但可以通过改变溶剂来精细调节池组的填充图案。此外，富勒烯分子形成柱阵列或二维板的紧密堆叠。

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  • 来源
    《RSC Advances》 |2016年第83期|共9页
  • 作者

    Sun Yantao; Cui Zili; Chen Lichuan; Lu Xiaofeng; Wu Yuewei; Zhang Hao-Li; Shao Xiangfeng;

  • 作者单位

    State Key Lab Appl Organ Chem Tianshui Southern Rd 222 Lanzhou 730000 Gansu Province Peoples R China;

    State Key Lab Appl Organ Chem Tianshui Southern Rd 222 Lanzhou 730000 Gansu Province Peoples R China;

    State Key Lab Appl Organ Chem Tianshui Southern Rd 222 Lanzhou 730000 Gansu Province Peoples R China;

    State Key Lab Appl Organ Chem Tianshui Southern Rd 222 Lanzhou 730000 Gansu Province Peoples R China;

    State Key Lab Appl Organ Chem Tianshui Southern Rd 222 Lanzhou 730000 Gansu Province Peoples R China;

    State Key Lab Appl Organ Chem Tianshui Southern Rd 222 Lanzhou 730000 Gansu Province Peoples R China;

    State Key Lab Appl Organ Chem Tianshui Southern Rd 222 Lanzhou 730000 Gansu Province Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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