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Synthesis 2014; 46(19): 2617-2621
DOI: 10.1055/s-0034-1378358
DOI: 10.1055/s-0034-1378358
paper
A Highly Active CuI/TMEDA Catalytic System for the Coupling Reaction of Acid Chlorides with Terminal Alkynes under Solvent-Free Conditions
Weitere Informationen
Publikationsverlauf
Received: 31. März 2014
Accepted after revision: 29. Mai 2014
Publikationsdatum:
08. Juli 2014 (online)
Abstract
A highly efficient copper(I) iodide/N,N,N′,N′-tetramethylethylenediamine (CuI/TMEDA) catalytic system for the synthesis of ynones has been developed. A variety of terminal alkynes, including 4-iodophenylacetylene, were smoothly coupled with acid chlorides in the presence 2 mol% CuI and 5 mol% TMEDA to afford the corresponding ynones in good to excellent yields in a short time. It is noteworthy that the reaction is conducted under solvent-free conditions at room temperature.
Supporting Information
- for this article is available online at http://www.thieme-connect.com/products/ejournals/journal/ 10.1055/s-00000084.
- Supporting Information
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