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Synthesis and characterization of mononuclear amidogold(III) complexes: crystal structure of [Au(N<sub>2</sub>C<sub>10</sub>H<sub>7</sub>(Cme<sub>2</sub>C<sub>6</sub>H<sub>4</sub>)-6](NHC<sub>6</sub>H<sub>3</sub>Me<sub>2</sub>-2,6)][PF<sub>6</sub>] − oxidation of 4-methylaniline to azotoluene

Publication Date
  • Chim/03 Chimica Generale E Inorganica


Mononuclear amidogold(III) complexes [Au(C,N,N)(NRR′)][PF6] [C,N,N = N2C10H7(Cme2C6H4)-6, where N2C10H8 = 2,2′-bipy; R = H, R′ = p-tolyl (5), o-xylyl (6), isobutyl (7), sec-butyl (8), R = R′ = Et (9)], [Au(C,N)(AcO)(NHC6H4NO2-4)] (10) [C,N = NC5H4(CH2C6H4)-2, where NC5H5 = py] and [Au(N,N)(NHC6H4NO2-4)2][PF6] (11) (N,N = 2,2′-bipy), have been synthesized in fairly good yields by reaction of the hydroxo, methoxo, or acetato complexes 1−4 {[Au(C,N,N)(OR)][PF6] [R = H (1), Me (2)], [Au(C,N)(AcO)2] (3), [Au(N,N)(OH)2][PF6] (4)} with amines. The structure of [Au(C,N,N)(NHC6H3Me2-2,6)][PF6] (6) has been determined by X-ray diffraction. Reaction of the hydroxo complex 4 with NH2C6H4Me-4 gives metallic gold, the protonated ligand [N,NH][PF6] and organic products, the main one being azotoluene.

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