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Ein synthetisches Mimetikum …︁…︁ sauerstofftoleranter Hydrogenasen wurde in der Weise weiterentwickelt, dass es nun auch die O2‐Reduktion katalysiert. In ihrer Zuschrift auf S. 734 ff. erläutern S. Ogo et al. die Struktur der Verbindung bestehend aus einem NiFe‐Kern mit einem stark elektronenschiebenden Cp*‐Liganden. O2 bindet seitlich an das FeIV‐Zentrum. Die Abbildung zeigt O2 als zweiköpfigen Vogel,...
Dioxygen‐tolerant [NiFe] hydrogenases catalyze not only the conversion of H2 into 2 H+ and 2 e− but also the reduction of O2 to H2O. Chemists have sought to mimic such bifunctional catalysts with structurally simpler compounds to facilitate analysis and improvement. Herein, we report a new [NiFe]‐based catalyst for O2 reduction via an O2 adduct. Structural investigations reveal the first example of...
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