期刊
SYNLETT
卷 31, 期 6, 页码 632-634出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0039-1690828
关键词
triphenylpyrroles; Nef reaction; Paal-Knorr reaction; fluorescence; crystal structure
资金
- University of Aveiro, FCT/MEC [FCT UID/QUI/00062/2019]
- FCT - national funds through FCT/MEC [UID/CTM/50011/2019]
- Integrated Programme of SR&TD 'pAGE - Protein Aggregation Across the Lifespan' - Centro 2020 program, Portugal 2020 [CENTRO-01-0145-FEDER-000003]
- European Union, through the European Regional Development Fund
Pyrroles are widely found in natural products and play an important role in biological processes. Certain pyrrole derivatives are fluorescent and may be used as molecular probes or biomarkers in the diagnosis of diseases, such as Alzheimer's or Parkinson's. Herein is reported the synthesis of five new pyrrole derivatives bearing phenyl rings on positions 1, 2, and 4, with electron-donating groups at the periphery. The introduction of more or stronger electron-donating groups red-shifts and increases the efficiency of the fluorescence emission.
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