期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2018, 期 26, 页码 3444-3453出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201800424
关键词
Functional organic materials; Fluorescent probes; Imaging agents; Trehaloses; Fused aromatics; Photophysics
A series of 6,6-bis(O-4-arylethynylbenzoyl)-,-trehaloses (aryl groups; 1a: 1-pyrenyl, 1b: 9-anthryl, 1c: phenyl) were synthesized and fully characterized. Their photophysical properties were investigated by UV/Vis/fluorescence spectroscopy, and were rationalized by TDDFT calculations. Moreover, the emission maxima of 1a and 1b in THF/H2O considerably shifted to a longer wavelength region with increasing H2O fraction owing to the formation of excimers. The pyrenyl derivative 1a was efficiently taken into HeLa CD4(+) human cervical cancer cells and emitted bright green fluorescence.
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