Dr. Xiao-Nan Wu, Dr. Xiao-Na Li, Dr. Xun-Lei Ding and Prof. Dr. Sheng-Gui He Activation of Multiple CH Bonds Promoted by Gold in AuNbO3+ Clusters Angewandte Chemie International Edition 52
Single, double, triple: Highly selective double H atom abstraction (HAA) from ethane and triple HAA from n-butane by AuNbO3+ clusters have been characterized by mass spectrometry and DFT calculations. The multiple HAAs are initiated by oxygen-centered radicals and promoted by gold. The gold atoms act as electron acceptors during the triple HAAs and help to store a pair of valence electrons between Au and Nb atoms (see picture).
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