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

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/63192

Title: Ruthenium-Immobilized Periodic Mesoporous Organosilica: Synthesis, Characterization, and Catalytic Application for Selective Oxidation of Alkanes
Authors: Ishito, Nobuhiro Browse this author
Kobayashi, Hirokazu Browse this author →KAKEN DB
Nakajima, Kiyotaka Browse this author
Maegawa, Yoshifumi Browse this author
Inagaki, Shinji Browse this author
Hara, Kenji Browse this author →KAKEN DB
Fukuoka, Atsushi Browse this author →KAKEN DB
Keywords: adamantine
alkane
oxidation
periodic mesoporous organosilica
ruthenium
Issue Date: 26-Oct-2015
Publisher: Wiley-VCH
Journal Title: Chemistry-A European journal
Volume: 21
Issue: 44
Start Page: 15564
End Page: 15569
Publisher DOI: 10.1002/chem.201502638
PMID: 26330333
Abstract: 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.
Type: article (author version)
URI: http://hdl.handle.net/2115/63192
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 福岡 淳

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