Environmentally friendly, photochemical access to [N^C^N] AuIII pincer complexes by oxidative addition

Starting from commercially available DMSAuCl and diazonium salts, cationic [ ]AuIII complexes were synthesized in a selective, photosensitizer-free, photochemical reaction by irradiation with blue LED light. This new protocol represents the first easy synthesis of these types of pincer complexes in...

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Main Authors: Eppel, Daniel (Author) , Penert, Philipp (Author) , Stemmer, Johanna (Author) , Bauer, Christina (Author) , Rudolph, Matthias (Author) , Brückner, Margit (Author) , Rominger, Frank (Author) , Hashmi, A. Stephen K. (Author)
Format: Article (Journal)
Language:English
Published: June 16, 2021
In: Chemistry - a European journal
Year: 2021, Volume: 27, Issue: 34, Pages: 8673-8677
ISSN:1521-3765
DOI:10.1002/chem.202100035
Online Access:Resolving-System, kostenfrei, Volltext: https://doi.org/10.1002/chem.202100035
Verlag, kostenfrei, Volltext: https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/chem.202100035
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Author Notes:Daniel Eppel, Philipp Penert, Johanna Stemmer, Christina Bauer, Matthias Rudolph, Margit Brückner, Frank Rominger, and A. Stephen K. Hashmi
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Summary:Starting from commercially available DMSAuCl and diazonium salts, cationic [ ]AuIII complexes were synthesized in a selective, photosensitizer-free, photochemical reaction by irradiation with blue LED light. This new protocol represents the first easy synthesis of these types of pincer complexes in moderate to excellent yield starting from a readily available gold(I) precursor with nitrogen as the only by-product. Owing to the disadvantages of known protocols, especially the toxicity in the case of a transmetalation with mercury or the necessity for a mostly twofold excess of a gold precursor, this method offers an attractive alternative towards this kind of gold(III) complexes. In addition, the first arylated [ ]Au(III) pincer complex was synthesized by using this technology.
Item Description:Im Titel sind die Zeichen III hochgestellt
First published: 30 April 2021
Gesehen am 08.06.2021
Physical Description:Online Resource
ISSN:1521-3765
DOI:10.1002/chem.202100035