Thermosensitive Gold Nanoclusters Stabilized by Well-Defined Vinyl Ether Star Polymers:  Reusable and Durable Catalysts for Aerobic Alcohol Oxidation

Au nanoclusters of less than 4 nm with a narrow size distribution were prepared and supported in thermosensitive vinyl ether star polymers obtained by living cationic polymerization. The thermosensitivity of the star polymers permitted easy separation of the clusters from the reaction mixture withou...

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Published inJournal of the American Chemical Society Vol. 129; no. 40; pp. 12060 - 12061
Main Authors Kanaoka, Shokyoku, Yagi, Naoto, Fukuyama, Yukiko, Aoshima, Sadahito, Tsunoyama, Hironori, Tsukuda, Tatsuya, Sakurai, Hidehiro
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 10.10.2007
Amer Chemical Soc
Subjects
Chemistry
Chemistry, Multidisciplinary
Physical Sciences
Science & Technology
ROOM-TEMPERATURE
PALLADIUM
SELECTIVE OXIDATION
NANOPOROUS DOMAINS
ACID
POLY(VINYL ETHER)S
LIVING CATIONIC-POLYMERIZATION
FUNCTIONAL RESINS
GENERATION
RESPONSIVE DIBLOCK COPOLYMERS
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Summary:Au nanoclusters of less than 4 nm with a narrow size distribution were prepared and supported in thermosensitive vinyl ether star polymers obtained by living cationic polymerization. The thermosensitivity of the star polymers permitted easy separation of the clusters from the reaction mixture without any negative aggregation. Thus, the Au clusters could be recovered for reuse several times to induce alcohol oxidation with similar reactivity in each run.
Bibliography:ark:/67375/TPS-WX2H61GV-4
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ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0002-7863
1520-5126
DOI:10.1021/ja0735599