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Syntheses and properties of second-generation V-shaped xanthene dyes with piperidino groups
- Yamagami, Akari, Kawano, Kenichi, Futaki, Shiroh, Kuramochi, Kouji, Tsubaki, Kazunori
- Tetrahedron 2017
- chemical reactions, chemical structure, dyes, fluorescence, image analysis, organic compounds, solubility, wavelengths
- New V-shaped xanthene dyes 3–6 containing piperidino groups at the resonance sites on their skeletons were constructed as second-generation V-shaped dyes and their functions were investigated. The non-symmetric compound 5 had higher solubility and gave a higher fluorescence quantum yield and longer emission wavelength compared with those of previously reported V-shaped xanthene dyes with hydroxyl groups 1 and 2. Furthermore, compound 5 stained living cells, enabling bright fluorescence imaging.