Polymer-Supported Sulfonium Salts Obtained by Desulfurization of Light Oil as Novel Phase Transfer Catalyst
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概要
- 論文の詳細を見る
Polymer-supported sulfonium salt (PS) was synthesized by the reaction of sulfur-containing compounds, present in light oil, with iodomethylpolystyrene (IMP) and AgBF4. Dibenzothiophenes (DBTs) and benzothiophenes (BTs) in the oil were successfully anchored on the IMP as the corresponding sulfonium salts, via nucleophilic displacement of the iodide atom on IMP with the sulfur atom on DBTs and BTs. By this means, the sulfur content of the light oil was decreased successfully to the required deep desulfurization level (0.05 wt%). The PS, obtained from light oil, showed significantly high activity as phase transfer catalyst for the anion exchange reaction of 1-bromooctane with potassium thiocyanate in the organic/water two-phase system. This high activity for the PS results since the highly lipophilic alkyl-substituted DBTs and BTs are anchored on the PS as the sulfonium salts.
- 社団法人 化学工学会の論文
- 2003-02-01
著者
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白石 康浩
大阪大学太陽エネルギー化学研究センター/大阪大学大学院基礎工学研究科
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平井 隆之
大阪大学太陽エネルギー化学研究センター/大阪大学大学院基礎工学研究科
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Komasawa Isao
Department of Chemical Science and Engineering, Graduate School of Engineering Science, Osaka Univer
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SHIRAISHI YASUHIRO
Department of Chemical Science and Engineering, Graduate School of Engineering Science, and Research
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HIRAI TAKAYUKI
Department of Chemical Science and Engineering, Graduate School of Engineering Science, and Research
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駒沢 勲
Department Of Chemical Science And Engineering Graduate School Of Engineering Science And Research C
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Komasawa Isao
Department Of Chemical Science And Engineering Graduate School Of Engineering Science Osaka Universi
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Hirai Takayuki
Department Of Chemical Science And Engineering Graduate School Of Engineering Science Osaka Universi
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Hirai Takayuki
Department Of Chemical Engineering Osaka University
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Hirai Takayuki
Department Of Chemical Engineering Faculty Of Engineering Science Osaka University
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Komasawa Isao
Department Of Chemical Engineering Faculty Of Engineering Science Osaka University
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Shiraishi Yasuhiro
Department of Chemical Engineering, Osaka University
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