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Consecutive C–H and O2 Activation at a Pt(II) Center To Produce Pt(IV) Aryls

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journal contribution
posted on 12.11.2018, 15:21 by David Watts, Peter Y. Zavalij, Andrei N. Vedernikov
Aerobic C–H functionalization of benzene and a series of electron-rich and electron-poor arenes has been demonstrated using a Pt­(II) aqua complex supported by a sulfonated CNN-chelating pincer ligand in wet 2,2,2-trifluoroethanol (TFE) solutions at 20 °C and ambient pressure of air or O2. The reaction results in Pt­(IV) aryl hydroxo complexes and a Pt­(IV) trifluoroethoxo complex as two major products, in a 1:1 molar ratio, along with minor Pt­(II) products of the arene and pincer ligand oxidative C–C coupling.

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