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Synfacts 2006(10): 1006-1006
DOI: 10.1055/s-2006-949361
DOI: 10.1055/s-2006-949361
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York
Polysubstituted Pyrenes with Tuned Spectroscopic Properties
V. L. Malinovskii, R. Häner*
University of Bern, Switzerland
Further Information
Publication History
Publication Date:
21 September 2006 (online)
Significance
Polysubstituted pyrenes 3-5 are synthesized from the readily accessible 1,8-pyrenedicarboxylic acid 1 in good yields without the need of chromatographic purification. Absorption and steady-state fluorescence studies showed that the nature of the substituents can control the photophysical properties of the pyrene chromophore. It was also shown that nitro derivatives can quench fluorescence by intra- or intermolecular processes.