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Journal Article

Synthesis, Structure, and Applications of Pyridiniophosphines

MPS-Authors
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Tinnermann,  Hendrik
Research Group Alcarazo, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Wille,  Christian
Research Group Alcarazo, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Alcarazo,  Manuel
Research Group Alcarazo, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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anie_201401073_sm_miscellaneous_information.pdf
(Supplementary material), 4MB

Citation

Tinnermann, H., Wille, C., & Alcarazo, M. (2014). Synthesis, Structure, and Applications of Pyridiniophosphines. Angewandte Chemie International Edition, 53(33), 8732-8736. doi:10.1002/anie.201401073.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0024-0795-3
Abstract
A new family of cationic ligands, N-alkyl/aryl pyridiniophosphines, has been synthesized through a short, scalable, and highly modular route. Evaluation of their electronic properties evidenced weak σ-donor and quite strong π-acceptor character when used as ancillary ligands. These attributes confer a substantially enhanced π-acidity to the PtII and AuI complexes thereof derived and, as result, they depict an improved ability to activate alkynes towards nucleophilic attack. This superior performance has been demonstrated along several mechanistically diverse PtII- and AuI-catalyzed transformations.