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Polymer Incarcerated Ruthenium Catalyst for Oxidation of Alcohols with Molecular Oxygen
Author(s) -
Matsumoto Tsutomu,
Ueno Masaharu,
Kobayashi Juta,
Miyamura Hiroyuki,
Mori Yuichiro,
Kobayashi Shū
Publication year - 2007
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.200600565
Subject(s) - ruthenium , chemistry , catalysis , polymer , alcohol oxidation , molecular oxygen , polystyrene , oxygen , polymer chemistry , leaching (pedology) , inorganic chemistry , organic chemistry , environmental science , soil science , soil water
A polymer incarcerated ruthenium (PI Ru) catalyst for the oxidation of alcohols with molecular oxygen has been developed. The catalyst was prepared from a polystyrene‐based copolymer with ruthenium chloride hydrate as the metal source. The choice of ruthenium species was important to obtain high catalytic activity as well as for the suppression of leaching of ruthenium. In the presence of 5 mol % of PI Ru and 15 mol % of 2,2,6,6‐tetramethylpiperidine N ‐oxyl (TEMPO), alcohols were oxidized using molecular oxygen at atmospheric pressure to afford the corresponding aldehydes or ketones in good to excellent yields. The catalyst could be recovered and reused at least ten times without loss of activity.