Preferential α-Hydrosilylation of Terminal Alkynes by Bis-N-Heterocyclic Carbene Rhodium(III) Catalysts

Preferential α-Hydrosilylation of Terminal Alkynes by Bis-N-Heterocyclic Carbene Rhodium(III) Catalysts

We describe a bis‐N‐heterocyclic carbene rhodium(III) complex, featuring two trifluoroacetato ligands, that affords a variety of α‐vinylsilanes in good yields by hydrosilylation of terminal alkynes. Selectivities around 7:1 α/β‐(E) were reached, while the β‐(Z) product was only marginally obtained....

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Advanced synthesis & catalysis 2015-02, Vol.357 (2-3), p.350-354
Hauptverfasser: Iglesias, Manuel, Aliaga-Lavrijsen, Mélanie, Miguel, Pablo J. Sanz, Fernández-Alvarez, Francisco J., Pérez-Torrente, Jesús J., Oro, Luis A.
Format: Artikel
Sprache:eng
Schlagworte:
Alkynes
carbene
Carbenes
Catalysis
hydrosilylation
Ligands
NHC
Parents
rhodium
Selectivity
Synthesis
Terminals
vinylsilanes
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:We describe a bis‐N‐heterocyclic carbene rhodium(III) complex, featuring two trifluoroacetato ligands, that affords a variety of α‐vinylsilanes in good yields by hydrosilylation of terminal alkynes. Selectivities around 7:1 α/β‐(E) were reached, while the β‐(Z) product was only marginally obtained. This example sharply contrasts with the β‐(Z)‐selectivity observed for its parent diiodido complex
ISSN:1615-4150
1615-4169
DOI:10.1002/adsc.201400673