期刊
JOURNAL OF LUMINESCENCE
卷 148, 期 -, 页码 33-38出版社
ELSEVIER
DOI: 10.1016/j.jlumin.2013.11.017
关键词
Pyrazolylquinoline; Nitroxide radical; Synthesis; Structure; Photoluminescence
类别
资金
- Ministry of Education and Science of Russian Federation [8436]
- Russian Foundation for Basic Research [11-03-00268, 11-03-00027, 13-03-12401, 12-03-31028, 12-03-33010]
- Council for Grants at the President of the Russian Federation [MK-868.2011.3, MK-6497.2012.3]
- Russian Academy of Sciences
- Siberian Branch of RAS [88, 33]
The synthesis, structure and photoluminescence of a group of substituted 2-pyrazolylquinolines, including a spin-labelled derivative, are described. A comparative study of photoluminescence horn the synthesized compounds demonstrates that introduction of a nitronyl nitroxide radical group results not only in the expected reduction in photoluminescence from the pyrazolylquinoline moiety, but also gives rise to a new red photoluminescence band (maximum at 692 nm in acetonitrile) from the radical fragment. (C) 2013 Published by Elsevier B.V.
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