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Dual gold/silver catalysis involving alkynylgold(III) intermediates formed by oxidative addition and silver-catalyzed C−H activation for the direct alkynylation of cyclopropenes

While gold-mediated synergistic catalytic processes involving transmetalations with other metals are well understood, AuI/AuIII cycles in these reactions are rarely reported. Herein a gold-catalyzed direct alkynylation of cyclopropenes is enabled by two operating catalytic cycles, an oxidative catal...

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Main Authors: Yang, Yangyang (Author) , Antoni, Patrick W. (Author) , Zimmer, Marc (Author) , Sekine, Kohei (Author) , Mulks, Florian (Author) , Hu, Long (Author) , Zhang, Lumin (Author) , Rudolph, Matthias (Author) , Rominger, Frank (Author) , Hashmi, A. Stephen K. (Author)
Format: Article (Journal)
Language:English
Published: March 12, 2019
In: Angewandte Chemie. International edition
Year: 2019, Volume: 58, Issue: 15, Pages: 5129-5133
ISSN:1521-3773
DOI:10.1002/anie.201812577
Online Access:Verlag, Volltext: https://doi.org/10.1002/anie.201812577
Verlag, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.201812577
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Author Notes:Yangyang Yang, Patrick Antoni, Marc Zimmer, Kohei Sekine, Florian F. Mulks, Long Hu, Lumin Zhang, Matthias Rudolph, Frank Rominger, and A. Stephen K. Hashmi
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Summary:While gold-mediated synergistic catalytic processes involving transmetalations with other metals are well understood, AuI/AuIII cycles in these reactions are rarely reported. Herein a gold-catalyzed direct alkynylation of cyclopropenes is enabled by two operating catalytic cycles, an oxidative catalytic cycle involving an alkynyl AuIII complex formed by oxidative addition and one involving a silver-mediated C−H activation.
Item Description:Gesehen am 07.06.2019
Physical Description:Online Resource
ISSN:1521-3773
DOI:10.1002/anie.201812577

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