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Stabilization of Palladium Nanoparticles by Polyoxometalates Appended with Alkylthiol Tethers and their Use as Binary Catalysts for Liquid Phase Aerobic Oxydehydrogenation
Author(s) -
De bruyn Mario,
Neumann Ronny
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.200600613
Subject(s) - polyoxometalate , chemistry , palladium , catalysis , alkyl , phase (matter) , allylic rearrangement , salt (chemistry) , nanoparticle , styrene , ammonium , inorganic chemistry , polymer chemistry , photochemistry , organic chemistry , chemical engineering , copolymer , polymer , engineering
A polyoxometalate with two alkyl thiol appendages, Q 4 [SiW 11 O 40 (SiCH 2 CH 2 CH 2 SH) 2 ] (Q=ammonium salt) stabilized the formation of palladium nanoparticles. This tethered polyoxometalate–palladium binary catalyst was effective for the aerobic oxydehydrogenation of vinylcyclohexene and vinylcyclohexane to styrene as the major product via activation of the allylic, tertiary carbon‐hydrogen bond.