Heterogeneous Copper-in-Charcoal-Catalyzed Click Chemistry

Bruce H. Lipshutz*, Benjamin R. Taft

*Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA 93106-9510, USA, Email: lipshutzchem.ucsb.edu

B. H. Lipshutz, B. R. Taft, Angew. Chem. Int. Ed., 2006, 45, 8235-8238.

DOI: 10.1002/anie.200603726 (free Supporting Information)

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Abstract

Highly efficient click chemistry between azides and terminal alkynes can be heterogeneously catalyzed by copper nanoparticles mounted within the pores of activated charcoal. Reactions can be accelerated with stoichiometric Et₃N or by increasing the reaction temperature using microwave irradiation.

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Key Words

click chemistry, 1,2,3-triazoles, copper, cycloaddition, heterogeneous catalysis, microwave irradiation

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ID: J06-Y2006-4170