Immobilized CuO Hollow Nanospheres Catalyzed Alkyne-Azide Cycloadditions

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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.
Publisher
AMER SCIENTIFIC PUBLISHERS
Issue Date
2010-10
Language
English
Article Type
Article
Keywords

SENSITIZED SOLAR-CELLS; COUNTER ELECTRODES; POWDER

Citation

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.10, no.10, pp.6504 - 6509

ISSN
1533-4880
DOI
10.1166/jnn.2010.2530
URI
http://hdl.handle.net/10203/22728
Appears in Collection
CH-Journal Papers(저널논문)
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