期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 354, 期 18, 页码 3445-3450出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201200734
关键词
click chemistry; copper; cycloaddition; homogeneous catalysis; N-heterocyclic carbenes
资金
- German National Academic Foundation (Studienstiftung des deutschen Volkes)
- Ruprecht-Karls-University Heidelberg
The main feature of the herein presented class of molecularly defined catalysts for the copper-catalyzed azidealkyne cycloaddition reaction is the presence of two copper centres in one catalyst molecule. We report the facile three-step synthesis of two representative bis-NHC-dicopper complexes as well as their catalytic performance in the azidealkyne cycloaddition. A screening with one of these complexes has proved its wide applicability and excellent performance as homogeneous catalyst in various organic solvents and with different alkyne and azide substrates.
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