3 years ago

The Versatile Behavior of Platinum Alkyne Complexes towards XeF2: Formation of Fluorovinyl and Fluorido Complexes

The Versatile Behavior of Platinum Alkyne Complexes towards XeF2: Formation of Fluorovinyl and Fluorido Complexes
Reik Laubenstein, Thomas Braun, Josefine Berger, Paul Kläring, Beatrice Braun-Cula, Theresia Ahrens
Reactions of platinum(0) tolane complexes, bearing a chelating ligand with P and N donor atoms, with the electrophilic fluorinating agent XeF2 give facile access to platinum(II) β-fluorovinyl fluorido complexes. A series of new platinum(II) β-fluorovinyl complexes have been synthesized and were structurally characterized. Further oxidation with XeF2 led to ortho-metalated platinum(IV) fluorido compounds. Additional reactions of platinum(0) tolane complexes, bearing a chelating P,P donor ligand, with XeF2 led to a variety of fluorido and fluorovinyl complexes. What happens with XeF2? Electrophilic fluorination with XeF2 occurs at platinum-bound alkyne ligands to yield platinum(II) β-fluorovinyl fluorido compounds. An excess of XeF2 gives access to platinum(IV) fluoride complexes, but can also lead to fluorinated olefins (see scheme).

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201700403

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