MALDI-TOF-MS における1,2- ジオキセタン化合物の電子移動誘発分解
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概要
- 論文の詳細を見る
1,2-Dioxetanes bearing an aromatic electron donor undergo intramolecular charge-transfer-induced decomposition (CTID), for which one proposed mechanism is CIEEL comprised of the initial decomposition of dioxetane giving a radical ion pair and its annihilation yielding singlet-excited carbonyl through backward electron transfer; however, there has been little clear experimental confirmation. Thus, we attempted to clarify the mechanism of such reaction by mass spectrometry, which is a powerful tool to detect infinitesimal single species. We report here that MALDI conditions to ionize dioxetanes efficiently and analysis of their mass spectra to detect the characteristic fragment ions are formed by Norrish typedecomposition from radical anion of dioxetanes, as a result of MS/MS spectrometry measurements of dioxetane using MALDI-QIT-TOF MS.
- 神奈川大学の論文
- 2009-10-20
著者
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大橋 守
Department Of Chemistry Faculty Of Science Kanagawa University
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Ohashi Mamoru
Department Of Chemistry Faculty Of Science Kanagawa University
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大橋 守
Department of Chemistry, Faculty of Science, Kanagawa University
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