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中文摘要：
四硫富瓦烯及其衍生物是性能优良的电子给体。本文利用Sonogashira反应将吡啶基团连接在四硫富瓦烯单元上，合成了“A-C≡C-TTF-C≡C-A”型四硫富瓦烯共轭体系衍生物4，4′（5′）-二-（4-吡啶乙炔基）-四硫富瓦烯（TTF4N）。吸收光谱、电化学和pb^2＋配位键合研究表明，三键作为桥基能够有效实现分子内的电荷转移。金属pb^2＋离子与吡啶基团的配位能够引起TTF4N的吸收光谱、核磁氢谱和电化学性质的显著变化。
英文摘要：
Owing to unique n electron-donating-properties, tetrathiafulvalene （TTF） and its derivatives have been extensively studied over the past decade. In the present work, tetrathiafulvalene acetylene derivative [ A-C≡C-TTF-C≡C-A], 4,4′（5′）-bis（4-pyridylethynyl） tetrathiafulvalene （TTF4N）, has been synthesized to provide insight into the nature of the donor-acceptor interaction via triple bonds. Spectroscopic, electrochemical and Pb^2＋ -binding studies demonstrate that the TTF unit interacts with electron-accepting pyridine groups via triple bonds, thus leading to intramolecular charge transfer. Moreover, TTF4N show remarkable sensing and coordinating properties toward pb^2＋.
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