Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 351, Issue 18, Pages 3139-3142Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200900604
Keywords
click chemistry; copper-in-charcoal; diazo transfer; heterogeneous catalysis
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Funding
- NSF
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Copper-in-charcoal (Cu/C) is an effective heterogeneous catalyst for tandem diazo transfer/click reactions. In the presence of Cu/C, various azides can be generated in situ from the corresponding amines, and subsequently undergo [3+2]cycloaddition with terminal alkynes to afford tri-azoles in good yields. The catalyst is also easily recycled.
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