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Nanocrystalline copper oxide(II)-catalyzed alkyne-azide cycloadditions
- Authors
- Song, Y.-J.[Song, Y.-J.]; Yoo, C.[ Yoo, C.]; Hong, J.-T.[ Hong, J.-T.]; Kim, S.-J.[ Kim, S.-J.]; Seung, U.S.[Seung, U.S.]; Jang, H.-Y.[ Jang, H.-Y.]
- Issue Date
- 2008
- Keywords
- Click chemistry; Copper oxide nanoparticles; Cycloaddition; Heterogeneous catalysis
- Citation
- Bulletin of the Korean Chemical Society, v.29, no.8, pp.1561 - 1564
- Indexed
- SCOPUS
KCI
- Journal Title
- Bulletin of the Korean Chemical Society
- Volume
- 29
- Number
- 8
- Start Page
- 1561
- End Page
- 1564
- ISSN
- 0253-2964
- Abstract
- Although the use of Cu(II) salts as catalysts without reductants is limited in the cycloaddition of acetylenes with azides, the catalytic system employing average 10 nm CuO(II) nanoparticles in the absence of reductants shows good catalytic activity to form 1,4-disubstituted 1,2,3-triazoles even in wet THF as well as water. It is also noticeable that CuO(II) nanoparticle catalysts can be recycled with consistent activity. A range of alkynes and azides were subject to the optimized CuO(II) nanoparticle-catalyzed cycloaddition reaction conditions to afford the desired products in good yields.
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