hydrogen bromide

potassium carbonate; potassium iodide in acetonitrile 40 h; Reflux;

tris(triphenylphosphine)ruthenium(II) chloride in 1,4-dioxane T=150°C; 5 h;

1: 1-iodo-2-methoxybenzene With tert.-butyl lithium in tetrahydrofuran; pentane T=-78°C; 1 h; Inert atmosphere; 2: With 3-butyl-1,1-diethyl-1,3-dihydrobenzo[c][1,2]oxasilole in tetrahydrofuran; pentane T=-78 - 20°C; Inert atmosphere; 3: O-benzoyl-N-hydroxypiperidine With copper(l) iodide; dpca in tetrahydrofuran; pentane T=20°C; 2 h; Inert atmosphere;

[nickel(II)chloride(Cp)(C3H2N2(C6H3(CHPh2)(OMe))2)]; potassium 2-methyl-2-butoxide in toluene T=110°C; Buchwald-Hartwig Coupling; 16 h; Reflux;

potassium carbonate; copper(l) chloride in 1-methyl-pyrrolidin-2-one T=130°C; 16 h;

n-butyllithium in tetrahydrofuran; hexane 1.) 0 deg C, 30 min; room temp., 1 h, 2.) reflux, overnight;

copper diacetate; triethylamine in dichloromethane Ambient temperature;

in acetonitrile T=0 - 50°C; Inert atmosphere; TemperatureReagent/catalyst;

1.1: cobalt(II) dibromide; trifluoroacetic acid; 3-chloroprop-1-ene / acetonitrile / 0.05 h / 20 °C 1.2: 20 °C 2.1: acetonitrile / 0 - 50 °C / |Inert atmosphere View Scheme