Synthesis of Triangular Tripalladium Cations as Noble‐Metal Analogues of the Cyclopropenyl Cation |
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| Authors: | Dr Sébastien Blanchard Prof Louis Fensterbank Geoffrey Gontard Dr Emmanuel Lacôte Dr Giovanni Maestri Prof Max Malacria |
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| Institution: | 1. UPMC Sorbonne Universités, IPCM (UMR CNRS 7201), 4 place Jussieu, C. 229, 75005 Paris (France);2. Université de Lyon, Institut de chimie de Lyon, UMR 5265 CNRS‐Université Lyon I‐ESCPE Lyon, 69616 Villeurbanne (France);3. ICSN CNRS (UPR 2301), 1 Av. de la Terrasse, Bat. 27, 91198 Gif s/Yvette (France) |
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| Abstract: | The first C3‐symmetric 44‐core‐valence‐electron triangular palladium clusters, {(SAr′)(PAr3)Pd}3]+, have been synthesized by activation of the C? S bond of isothioureas. Owing to delocalized metal–metal bonding, these stable complexes are the first noble‐metal analogues of the π‐aromatic cyclopropenyl cation C3H3]+, with their all‐metal aromaticity involving d‐type atomic orbitals. |
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| Keywords: | aromaticity cluster compounds metal– metal interactions metallacycles palladium |
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