分子转子：作为粘度传感器的合成与评估
Molecular rotors: Synthesis and evaluation as viscosity sensors.
作者信息
Sutharsan Jeyanthy, Lichlyter Darcy, Wright Nathan E, Dakanali Marianna, Haidekker Mark A, Theodorakis Emmanuel A
机构信息
Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0358, USA.
出版信息
Tetrahedron. 2010 Apr 3;66(14):2582-2588. doi: 10.1016/j.tet.2010.01.093.
Abstract
It has been shown that compounds containing the p-N,N,-dialkylaminobenzylidene cyanoacetate motif can serve as fluorescent non-mechanical viscosity sensors. These compounds, referred to as molecular rotors, belong to a class of fluorescent probes that are known to form twisted intramolecular charge-transfer complexes in the excited state. In this study we present the synthesis and spectroscopic characterization of these compounds as viscosity sensors. The effects of the molecular structure and electronic density of these rotors to the emission wavelength, fluorescence intensity and viscosity sensitivity are discussed.
摘要
已表明，含有对-N，N-二烷基氨基亚苄基氰基乙酸酯基序的化合物可作为荧光非机械粘度传感器。这些化合物，称为分子转子，属于一类已知在激发态形成扭曲分子内电荷转移复合物的荧光探针。在本研究中，我们展示了这些化合物作为粘度传感器的合成及光谱表征。讨论了这些转子的分子结构和电子密度对发射波长、荧光强度和粘度灵敏度的影响。
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