Carbene Ligands
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We have developped routes towards carbene ligands derived from natural products (xanthines), which are found in coffee, tea and chocolate and have studied their coordination chemistry with various transition metals.
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Arylamidoethyl-functioalised imidazolium salts undergo a tripple-deprotonation forming cyclometallated platinum complexes containing a tridendate, dianionic carbene ligand.