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Gold-catalyzed formal cyclisation/dimerization of thiophene-tethered diynes

A new pathway in dual gold-catalyzed reaction of thiophene-tethered diynes has been identified. A series of fully conjugated alkynyl-substituted benzothiophenes and benzofurans was obtained by a formal cyclisation/dimerization sequence. All the products are fluorescent, owing to their extended conju...

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Bibliographic Details
Main Authors: Tšupova, Svetlana (Author) , Hansmann, Max M. (Author) , Rudolph, Matthias (Author) , Rominger, Frank (Author) , Hashmi, A. Stephen K. (Author)
Format: Article (Journal)
Language:English
Published: 20 March 2017
In: Chemistry - a European journal
Year: 2017, Volume: 23, Issue: 24, Pages: 5716-5721
ISSN:1521-3765
DOI:10.1002/chem.201700061
Online Access:Verlag, Volltext: http://dx.doi.org/10.1002/chem.201700061
Verlag, Volltext: http://onlinelibrary.wiley.com/doi/10.1002/chem.201700061/epdf
Verlag, Volltext: http://onlinelibrary.wiley.com/doi/10.1002/chem.201700061/abstract
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Author Notes:Svetlana Tšupova, Max M. Hansmann, Matthias Rudolph, Frank Rominger, A. Stephen K. Hashmi
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Summary:A new pathway in dual gold-catalyzed reaction of thiophene-tethered diynes has been identified. A series of fully conjugated alkynyl-substituted benzothiophenes and benzofurans was obtained by a formal cyclisation/dimerization sequence. All the products are fluorescent, owing to their extended conjugation. The mechanistic studies have been carried out, suggesting that gold acetylides take part in this transformation.
Item Description:Gesehen am 28.08.2017
Physical Description:Online Resource
ISSN:1521-3765
DOI:10.1002/chem.201700061

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