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Updated: Apr 30, 2026

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
Published on: April 10, 2015
Synthesis, structure, and applications of pyridiniophosphines
Hendrik Tinnermann1, Christian Wille, Manuel Alcarazo
1Max-Planck-Institut für Kohlenforschung, Kaiser Wilhelm Platz 1, 45470- Mülheim an der Ruhr (Germany).
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 Pt(II) and Au(I) 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 Pt(II)- and Au(I)-catalyzed transformations.
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