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Ruthenium-Immobilized Periodic Mesoporous Organosilica: Synthesis, Characterization, and Catalytic Application for Selective Oxidation of Alkanes

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タイトル: Ruthenium-Immobilized Periodic Mesoporous Organosilica: Synthesis, Characterization, and Catalytic Application for Selective Oxidation of Alkanes
著者: Ishito, Nobuhiro 著作を一覧する
Kobayashi, Hirokazu 著作を一覧する
Nakajima, Kiyotaka 著作を一覧する
Maegawa, Yoshifumi 著作を一覧する
Inagaki, Shinji 著作を一覧する
Hara, Kenji 著作を一覧する
Fukuoka, Atsushi 著作を一覧する
キーワード: adamantine
alkane
oxidation
periodic mesoporous organosilica
ruthenium
発行日: 2015年10月26日
出版者: Wiley-VCH
誌名: Chemistry-A European journal
巻: 21
号: 44
開始ページ: 15564
終了ページ: 15569
出版社 DOI: 10.1002/chem.201502638
抄録: Periodic mesoporous organosilica (PMO) is a unique material that has a crystal-like wall structure with coordination sites for metal complexes. A Ru complex, [RuCl2(CO)(3)](2), is successfully immobilized onto 2,2'-bipyridine (BPy) units of PMO to form a single-site catalyst, which has been confirmed by various physicochemical analyses. Using NaClO as an oxidant, the Ru-immobilized PMO oxidizes the tertiary CH bonds of adamantane to the corresponding alcohols at 57 times faster than the secondary CH bonds, thereby exhibiting remarkably high regioselectivity. Moreover, the catalyst converts cis-decalin to cis-9-decalol in a 63% yield with complete retention of the substrate stereochemistry. The Ru catalyst can be separated by simple filtration and reused without loss of the original activity and selectivity for the oxidation reactions.
Rights: This is the accepted version of the following article: Ishito, Nobuhiro; Kobayashi, Hirokazu; Nakajima, Kiyotaka; Maegawa, Yoshifumi; Inagaki, Shinji; Hara, Kenji; Fukuoka, Atsushi; Ruthenium-Immobilized Periodic Mesoporous Organosilica: Synthesis, Characterization, and Catalytic Application for Selective Oxidation of Alkanes. Chemistry-A European journal 21(44) October 26, 2015 Pages 15564–15569, which has been published in final form at http://dx.doi.org/10.1002/chem.201502638.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/63192
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 福岡 淳

 

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