期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 10, 期 10, 页码 6504-6509出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2010.2530
关键词
Copper Oxide; Acetylene Black; Charcoal; Heterogeneous; Catalyst; Click Reaction
类别
资金
- Research Institute for Basic Science, Pusan National University, Korea [RIBS-PNU-2009-108]
- Ministry of Education, Science & Technology (MoST), Republic of Korea [N01100037] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2010-0002834, 2009-0070926] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
An approach for gram-scale synthesis of uniform Cu(2)O nanocubes by a one-pot polyol process was used. The CuO hollow nanostructures were prepared by adding aqueous ammonia solutions with Cu(2)O nanocube colloidal solutions. CuO hollow nanospheres on acetylene black (CuO/AB), were synthesized and used for the catalytic [3+2] cycloaddition of azides with terminal alkynes to provide products in good yields with high regioselectivity. The CuO/AB was readily separated by centrifugation and could be reused ten times under the present reaction conditions without any loss of catalytic activity. Transition metals loaded onto acetylene black are useful reagents for a wide variety of organic transformations. Moreover, these heterogeneous systems are promising industrial catalysts.
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