Journal
APPLIED CATALYSIS A-GENERAL
Volume 413, Issue -, Pages 261-266Publisher
ELSEVIER
DOI: 10.1016/j.apcata.2011.11.017
Keywords
Gold nanoparticles; Supported gold catalyst; N-Alkylation; Dehydrogenation
Categories
Funding
- JST-CREST
- Ministry of Education, Culture, Sports, Science, and Technology, Japan [21750160]
- Grants-in-Aid for Scientific Research [21750160] Funding Source: KAKEN
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Gold nanoparticles supported on metal oxides catalyzed the N-alkylation of aniline with benzyl alcohol to produce secondary amine under the equimolar amounts of substrates without additives under mild conditions. Selectivity to secondary amine was changed by the kinds of supports. Gold on ZrO2 exhibited the highest catalytic performance and achieved 94% selectivity to secondary amine. Surface hydroxyl groups of ZrO2 played important roles in the deprotonation of alcohol in the alcohol dehydrogenation step, as the adsorption sites of aniline, and as a proton source in the hydrogen transfer step. (C) 2011 Elsevier B.V. All rights reserved.
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