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Covalently immobilized tris(triazolyl) methanol-Cu(I) complexes: highly active and recyclable catalysts for CuAAC reactions
Date
2012-01-01
Author
ÖZKAL, Erhan
Özçubukçu, Salih
JİMENO, Ciril
Pericas, Miquel A.
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Tris(1-benzyl-1H-1,2,3-triazol-4-yl)methanol (3), a highly efficient ligand for CuAAC reactions, has been immobilized onto Merrifield resins through different strategies. The S(N)2-supported Cu complex (8) is stable in water and under air; it is active at low catalyst loadings (1 mol%) and at low concentration (down to 0.125 M) in both aqueous and purely organic media. Resin 8 can be repeatedly reused in 1 : 1 MeOH-water for short reaction times (4 h) with the only precaution of Cu(I) reloading every five cycles.
Subject Keywords
Azide-alkyne cycloaddition
,
Click chemistry
,
1,3-dipolar cycloadditions
,
Huisgen cycloaddition
,
Ligands
,
Polymer
,
Organocatalyst
,
Ligation
URI
https://hdl.handle.net/11511/37953
Journal
CATALYSIS SCIENCE & TECHNOLOGY
DOI
https://doi.org/10.1039/c1cy00297j
Collections
Department of Chemistry, Article