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Solvent Effect on the Excited State Dynamics of Indazole
https://tokaigakuin-u.repo.nii.ac.jp/records/3129
https://tokaigakuin-u.repo.nii.ac.jp/records/31298f35f343-3e7e-4d9f-b10b-6e7ba8b93618
名前 / ファイル | ライセンス | アクション |
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KJ00004254129.pdf (701.0 kB)
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Item type | [ELS]紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2017-06-27 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Solvent Effect on the Excited State Dynamics of Indazole | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00056115 | |||||
論文名よみ | ||||||
タイトル | Solvent Effect on the Excited State Dynamics of Indazole | |||||
著者 |
寺嶋, 昌代
× 寺嶋, 昌代× NODA-TERAZIMA, Masayo |
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著者所属(日) | ||||||
東海女子短期大学一般教養 | ||||||
著者所属(英) | ||||||
en | ||||||
Tokai Women's Junior College | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The dynamics of the excited state of indazole in various protic solvents has been studied by fluorescence and phosphorescence measurements and picosecond spectroscopy. It is shown that the fluorescenct properties of indazole are remarkably dependent on the nature of the solvent. In a nonacidic solvent only fluorescence of 1H indazole is observed. In a carboxylic acid with pKa~4.5 such as acetic acid, 1H is converted into 2H indazole in the excited state by double proton transfer. The rate of conversion and its activation energy are determined. In an acid with a smaller pKa value indazole is protonated in the ground state and provides a broad Stokesshifted fluorescence spectrum. It is shown that a structural change takes place in the excited singlet state of the protonated species in the time period of 10~100 ps depending on the solvent. It is suggested that indazole is protonated in a benzoic acid host and the triplet states of both 1H and 2H indazoles are produced from the excited state of protonated indazole. | |||||
書誌情報 |
東海女子短期大学紀要 en : The journal of Tokai Women's Junior College 巻 30, p. 7-16, 発行日 2004-03-31 |
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表示順 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 4 | |||||
アクセション番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | KJ00004254129 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02863170 |