triethylsilane; [(η5-C5Me5)RuCl(μ2-SMe)2Ru(η5-C5Me5)(OH2)]OTf in 1,2-dichloro-ethane T=80°C; 1 h;

Co(acetylacetonate)3 in tetrahydrofuran T=20°C;

triethylsilane; indium tribromide in dichloromethane T=20°C; 0.2 h;

boron trifluoride diethyl etherate T=-20°C; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

1: 87 percent / KF*2H2O / dimethylformamide / 5 h / Ambient temperature 2: 1.) DIBAH, 2.) Pd(PPh3)4 / 1.) hexane, 55 deg C 7 h, 2.) THF, reflux,1 h 3: 20percent HCl / dioxane / 12 h / 100 °C 4: 1.) phenyl N-phenylphosphoramidochloridate, Et3N / 1.) CH2Cl2, 15 min, 2.) RT, 5 h View Scheme

iodosylbenzene; boron trifluoride diethyl etherate in 1,4-dioxane 15 h; Ambient temperature;