First X‐Ray Structure Analyses of Rhodium(III) η 1 ‐Allyl Complexes and a Mechanism for Allylic Isomerization Reactions | Zendy

Wucher Barbara | Zendy; Moser Michael | Zendy; Schumacher Stephanie A. | Zendy; Rominger Frank | Zendy; Kunz Doris | Zendy

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First X‐Ray Structure Analyses of Rhodium(III) η 1 ‐Allyl Complexes and a Mechanism for Allylic Isomerization Reactions

Author(s) -

Wucher Barbara,

Moser Michael,

Schumacher Stephanie A.,

Rominger Frank,

Kunz Doris

Publication year - 2009

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200805899

Subject(s) - isomerization , rhodium , regioselectivity , allylic rearrangement , chemistry , substituent , tsuji–trost reaction , catalysis , x ray , metal , medicinal chemistry , stereochemistry , photochemistry , organic chemistry , physics , quantum mechanics

Metal‐to‐metal allyl transfer : Using the first structurally characterized rhodium η 1 ‐allyl complexes it is shown that the σ‐bound allyl substituent can be transferred from the Rh III complex to a Rh I complex in a fast equilibrium. This process may account for the decrease in regioselectivity observed in allylic alkylation reactions in which complex 1 is used as a catalyst.

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