Gold-catalysis: reactions of organogold compounds with electrophiles
Different arylgold(i), one alkynylgold(i), and one vinylgold(i) triphenylphosphane complexes were subjected to electrophilic halogenation reagents. With N-chlorosuccinimid, N-bromosuccinimid, and N-iodosuccinimid as well as the Barluenga reagent, selectively halogenated compounds were obtained. Trif...
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| Main Authors: | , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
6 December 2010
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| In: |
Australian journal of chemistry
Year: 2010, Volume: 63, Issue: 12, Pages: 1619-1626 |
| ISSN: | 1445-0038 |
| DOI: | 10.1071/CH10342 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1071/CH10342 Verlag, lizenzpflichtig, Volltext: https://www.publish.csiro.au/ch/CH10342 
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| Author Notes: | A. Stephen K. Hashmi, Tanuja Dondeti Ramamurthi, Matthew H. Todd, Althea S.-K. Tsang and Katharina Graf |
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| 520 | |a Different arylgold(i), one alkynylgold(i), and one vinylgold(i) triphenylphosphane complexes were subjected to electrophilic halogenation reagents. With N-chlorosuccinimid, N-bromosuccinimid, and N-iodosuccinimid as well as the Barluenga reagent, selectively halogenated compounds were obtained. Trifluoroacetic acid, as a source of protons, leads to a clean protodeauration. With N-fluorobenzenesulfonimide or Selectfluor, exclusively a homocoupling was observed. For the precursor of the vinylgold(i) complex, a similar oxidative coupling could be induced by gold(iii) chloride. Reactions with silicon or tin electrophiles failed. | ||
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