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

• Ishito, Nobuhiro

• Kobayashi, Hirokazu

• Nakajima, Kiyotaka

• Maegawa, Yoshifumi

• Inagaki, Shinji

• Hara, Kenji

• Fukuoka, Atsushi

Bibliographic Information

Other Title

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

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.

Journal

• Chemistry-A European journal

  Chemistry-A European journal 21 (44), 15564-15569, 2015-10-26

  Wiley-VCH

Keywords

• adamantine
• alkane
• oxidation
• periodic mesoporous organosilica
• ruthenium

Details

• CRID: 1050845763949461504
• NII Article ID: 120005853067
• DOI: 10.1002/chem.201502638
• ISSN: 15213765
• ISSN: 09476539
• HANDLE: 2115/63192
• Web Site: https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fchem.201502638
• Web Site: http://onlinelibrary.wiley.com/wol1/doi/10.1002/chem.201502638/fullpdf
• Text Lang: en
• Article Type: journal article
• Data Source:
  • IRDB
  • Crossref
  • CiNii Articles
  • KAKEN