Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 20, Issue 27, Pages 8330-8337Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201402306
Keywords
far-red dyes; fluorescent probes; rhodamines; rhodols; Stokes' shift
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Funding
- INSA Rouen
- Rouen University
- CNRS
- Labex SynOrg [ANR-11-LABX-0029]
- region Haute-Normandie (CRUNCh network)
- FEDER (TRIPODE) [33883]
- Institut Universitaire de France (IUF)
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An efficient synthesis of water-soluble unsymmetrical sulforhodamine/sulforhodol fluorophores containing a single julolidine fragment is presented. Owing to their valuable spectral properties in aqueous buffers, these dyes, especially those bearing a free aniline or phenol moiety, are valuable components of fluorogenic probes for a variety of biosensing applications. A further extension of this synthetic methodology to unusual phenols, namely 7-N,N-dialkylamino-4-hydroxy coumarins has enabled us to provide a new family water-soluble dyes of large Stokes' shift with far-red spectral features.
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