Fluorescence properties of amido-substituted 2,3-naphthalimides: Excited-state intramolecular proton transfer (ESIPT) fluorescence and responses to Ca2+ ions |
| |
| Authors: | Lei Wang Mayu Fujii Misa Namba Minoru Yamaji Hideki Okamoto |
| |
| Affiliation: | 1. Division of Earth, Life, and Molecular Sciences, Graduate School of Natural Science and Technology, Okayama University, Tsushima-Naka 3-1-1, Kita-ku, Okayama 700-8530, Japan;2. Division of Molecular Science, Graduate School of Science and Engineering, Gunma University, Ota, Gunma 373-0057, Japan |
| |
| Abstract: | 2,3-Naphthalimide derivatives incorporating trifluoroacetamido (3a) and methansulfonamido (3b) functionalities at the 1-position were prepared and their intramolecular excited state proton transfer (ESIPT) fluorescence and responses to metal ions were investigated. Compound 3a displayed normal fluorescence in the amide form in toluene and MeCN and no response to metal cations in the corresponding amidate ion form. In contrast, compound 3b gave off dual emission assignable to normal and ESIPT fluorescence. Additionally, the amidate form of compound 3b displayed off-on fluorescence response to Ca2+. |
| |
| Keywords: | Corresponding author. Fluorescence ESIPT Naphthalimide |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
