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Hydroamination of unactivated alkenes catalyzed by novel platinum(II) N-Heterocyclic carbene complexes

Cationic platinum(II) complexes with bi- or tridentate (pincer) functionalized NHC ligands were found to be catalytically active in the hydroamination of unactivated alkenes. In some cases, the presence of water had an activating effect on the complexes. Reactions with the N-nucleophilic substrate m...

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Bibliographic Details
Main Authors: Cao, Peng (Author) , Cabrera, José (Author) , Padilla, Robin (Author) , Serra, Daniel (Author) , Rominger, Frank (Author) , Limbach, Michael (Author)
Format: Article (Journal)
Language:English
Published: January 18, 2012
In: Organometallics
Year: 2012, Volume: 31, Issue: 3, Pages: 921-929
ISSN:1520-6041
DOI:10.1021/om200964u
Online Access:Verlag, Volltext: http://dx.doi.org/10.1021/om200964u
Verlag, Volltext: https://doi.org/10.1021/om200964u
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Author Notes:Peng Cao, José Cabrera, Robin Padilla, Daniel Serra, Frank Rominger, Michael Limbach
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Summary:Cationic platinum(II) complexes with bi- or tridentate (pincer) functionalized NHC ligands were found to be catalytically active in the hydroamination of unactivated alkenes. In some cases, the presence of water had an activating effect on the complexes. Reactions with the N-nucleophilic substrate morpholine led to a noncatalytic reaction in which the deprotonation product of the key cationic β-aminoalkyl platinum complex could be isolated and characterized. Surprisingly, attempted protonation of this complex did not give the expected N-alkylated product, indicating either the thermodynamic unfavorability of C-Pt bond cleavage or its kinetic inertness.
Item Description:Gesehen am 17.04.2018
Physical Description:Online Resource
ISSN:1520-6041
DOI:10.1021/om200964u

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