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Download fileC∧C* Platinum(II) Complexes with PtXPX Metallacycle Forming (X = N and S) Auxiliary Ligands: Synthesis, Crystal Structures, and Properties
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posted on 2022-01-25, 13:05 authored by Sergej Stipurin, Felix Wurl, Thomas StrassnerThe synthesis of
cyclometalated NHC platinum(II) complexes with
two types of phosphorus-containing ligands is reported. Different
synthetic approaches were utilized for each compound class. Dithiophosphinate
and iminophosphonamide ligands form four-membered PtXPX metallacycles
with coordination by either sulfur or nitrogen atoms (= X). The complexes
are fully characterized, including two solid-state structures. Additionally,
the photophysical and electrochemical properties were examined, and
the results are rationalized by density functional theory calculations.