ChemInform Abstract: Copper-Catalyzed Four-Component Coupling Between Aldehydes, Amines, Alkynes, and Carbon Dioxide.
β Scribed by Woo-Jin Yoo; Chao-Jun Li
- Publisher
- John Wiley and Sons
- Year
- 2008
- Weight
- 40 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0931-7597
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## Abstract Copper complexes (I) bearing an Nβheterocyclic carbene ligand are efficient catalysts for the hydrocarboxylation of unsymmetrical or symmetrical alkynes using SiH(OEt)~3~ as reducing agent to give Ξ±,Ξ²βunsaturated carboxylic acids as (E)βisomers.