indium tribromide in toluene 1.5 h; Inert atmosphereReflux;

ruthenium(II)-carbonyl-tris(triphenylphosphine) dihydride; 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene in toluene T=135°C; 0.5 h; vacuum-sealed tube; Product distribution / selectivity;

1H-imidazole silylation; 0.0166667 h; Irradiation;

in acetonitrile T=25°C; heat of reaction; Thermodynamic data;

1: 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene; carbonyl-bis(trifluoroacetato)bis(triphenylphosphino)ruthenium(II) / toluene / 6 h / 175 °C / vacuum-sealed tube 2: 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene; ruthenium(II)-carbonyl-tris(triphenylphosphine) dihydride / toluene / 0.5 h / 135 °C / vacuum-sealed tube View Scheme

T=20°C;

1: fusion 2: 20 °C View Scheme