Gold(I) Fluorohalides: Theory and Experiment.
Miguel BayaAlberto Pérez-BitriánSonia Martínez-SalvadorJosé M CasasBabil MenjónJesús OrdunaPublished in: Chemistry (Weinheim an der Bergstrasse, Germany) (2017)
The anionic trifluoromethylgold(I) derivatives [CF3 AuX]- , which have been prepared and isolated as their [PPh4 ]+ salts in good yield, undergo thermally induced difluorocarbene extrusion in the gas phase, giving rise to the mixed gold(I) fluorohalide complexes [F-Au-X]- (X=Cl, Br, I). These triatomic species have been detected by tandem mass spectrometry (MS2) experiments and their properties have been analyzed by DFT methods. The CF2 extrusion mechanism from the Au-CF3 moiety serves as a model for the CF2 insertion into the Au-F bond, since both reactivity channels are connected by the microreversibility principle.
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