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Synthesis and Photophysical Properties of λ5-Phosphinines as a Tunable Fluorophore
- Hashimoto, Naoki, Umano, Rika, Ochi, Yusuke, Shimahara, Kiyoka, Nakamura, Jun, Mori, Shigeki, Ohta, Hidetoshi, Watanabe, Yutaka, Hayashi, Minoru
- Journal of the American Chemical Society 2018 v.140 no.6 pp. 2046-2049
- Lewis acids, fluorescence, fluorescent dyes, solids
- A practical synthesis of a variety of λ⁵-phosphinines, which show distinct fluorescence both in solution and solid state, is described. Both C4-selective electrophilic substitutions and the following conversions realized an easy preparation of a wide range of derivatives having several substituents for electronic modification, which provides the potential for fine-tuning of the photophysical properties.