caesium acetate; palladium diacetate; triphenylphosphine in N,N-dimethyl acetamide T=100°C; 12 h; Inert atmosphere;

palladium(II) dichloride bis[bis(diphenylphosphine)ferrocene] dichloromethane; potassium carbonate in N,N-dimethyl-formamide T=130°C; 2 h; Inert atmosphere;

tristricyclohexylphosphine palladium(0); CsO2CCMe3 in N,N-dimethyl-formamide T=110°C; P=760.051 Torr; 7 h;

1.1: NaH / dimethylformamide / 0.5 h / 20 °C 1.2: 93 percent / dimethylformamide / 14 h / 20 °C 2.1: 21 percent / Pd(tricyclohexylphosphine)3; cesium pivalate / dimethylformamide / 7 h / 110 °C / 760.05 Torr View Scheme

1: zirconium tetrachloride / 1,2-dichloro-ethane / 6 h / 0 - 30 °C / Inert atmosphere 2: palladium(II) dichloride bis[bis(diphenylphosphine)ferrocene] dichloromethane; potassium carbonate / N,N-dimethyl-formamide / 2 h / 130 °C / Inert atmosphere View Scheme

1: palladium diacetate; caesium carbonate; bis[2-(diphenylphosphino)phenyl] ether / dimethyl sulfoxide / 5 h / 100 °C / |Inert atmosphere; |Sealed tube 2: hydrogenchloride / tetrahydrofuran; water / 4 h / |Reflux View Scheme

1: (1,10-phenanthroline)Pd(O2CCH3)2; water; acetic acid / 1,4-dioxane / 36 h / 140 °C 2: palladium diacetate; copper diacetate; 2,2,2-trimethylacetic acid; potassium carbonate / 1,4-dioxane / 48 h / 140 °C / |Molecular sieve View Scheme