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Gold-mediated C-I bond activation of iodobenzene |
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| Authors: | Robinson Peter S D Khairallah George N da Silva Gabriel Lioe Hadi O'Hair Richard A J |
| Institution: | School of Chemistry, University of Melbourne, Victoria, Australia. |
| Abstract: | Controversy resolved! A combination of gas-phase ion-molecule reactions and theoretical studies confirm bisligated mononuclear Au(I) complexes are unable to undergo oxidative addition of iodobenzene for Sonogashira coupling, but that the ligated gold clusters Au(3)L(n)](+) (L=Ph(2)P(CH(2))(n)PPh(2); n=3-6) activate the C-I bond. DFT calculations on the transition states show that the linker size n tunes the cluster reactivity. |
| Keywords: | bond activation density functional calculations gas‐phase reactions gold mass spectrometry |
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