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Molecules 2011, 16(10), 8209-8227; doi:10.3390/molecules16108209

Gold Nanoparticle-Catalyzed Environmentally Benign Deoxygenation of Epoxides to Alkenes

1, 1, 1, 1 and 1,2,*
Received: 5 September 2011 / Revised: 16 September 2011 / Accepted: 21 September 2011 / Published: 28 September 2011
(This article belongs to the Special Issue Gold Catalysts)
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We have developed a highly efficient and green catalytic deoxygenation of epoxides to alkenes using gold nanoparticles (NPs) supported on hydrotalcite [HT: Mg6Al2CO3(OH)16] (Au/HT) with alcohols, CO/H2O or H2 as the reducing reagent. Various epoxides were selectively converted to the corresponding alkenes. Among the novel metal NPs on HT, Au/HT was found to exhibit outstanding catalytic activity for the deoxygenation reaction. Moreover, Au/HT can be separated from the reaction mixture and reused with retention of its catalytic activity and selectivity. The high catalytic performance of Au/HT was attributed to the selective formation of Au-hydride species by the cooperative effect between Au NPs and HT.
Keywords: gold nanoparticle; hydrotalcite; deoxygenation; epoxide; alkene gold nanoparticle; hydrotalcite; deoxygenation; epoxide; alkene
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Noujima, A.; Mitsudome, T.; Mizugaki, T.; Jitsukawa, K.; Kaneda, K. Gold Nanoparticle-Catalyzed Environmentally Benign Deoxygenation of Epoxides to Alkenes. Molecules 2011, 16, 8209-8227.

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