Molecular rotors: Synthesis and evaluation as viscosity sensors.
Molecular rotors: Synthesis and evaluation as viscosity sensors.
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DOI:
10.1016/j.tet.2010.01.093
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发表时间:
2010-04-03
期刊:
影响因子:
2.1
通讯作者:
Theodorakis EA
中科院分区:
文献类型:
--
作者:
Sutharsan J;Lichlyter D;Wright NE;Dakanali M;Haidekker MA;Theodorakis EA
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.
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