Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 696, Issue 10, Pages 2172-2176Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2010.11.026
Keywords
Gold(I); Sonogashira; Cross-coupling; Cadiot-Chodiewicz; Diyne
Categories
Funding
- EPSRC
- University of Durham
- Durham Doctoral Training Account
- EPSRC [EP/D053668/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/D053668/1] Funding Source: researchfish
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Gold(I) alkynyl complexes are shown to efficiently couple with aryl iodides under mild conditions in the presence of both Pd(II) and Cu(I) co-catalysts. The reaction is not gold catalysed, but rather the Au(I) centre serves to transfer the alkynyl moiety to Cu(I), which then enters the conventional Sonogashira cycles. Using this method, a small range of 1,4-disubstituted diynes, including examples of differentially substituted compounds ArC CC CAr', have been prepared directly from [(Ph3P) AuC CC CAu(PPh3)] and aryl iodides ArI. (C) 2010 Elsevier B.V. All rights reserved.
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