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Preferential α‐Hydrosilylation of Terminal Alkynes by Bis‐N‐Heterocyclic Carbene Rhodium(III) Catalysts
Author(s) -
Iglesias Manuel,
AliagaLavrijsen Mélanie,
Miguel Pablo J. Sanz,
FernándezAlvarez Francisco J.,
PérezTorrente Jesús J.,
Oro Luis A.
Publication year - 2015
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.201400673
Subject(s) - hydrosilylation , carbene , rhodium , chemistry , catalysis , medicinal chemistry , selectivity , organic chemistry
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
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