caesium carbonate; copper(I) oxide in N,N-dimethyl-formamide T=110°C; 18 h;

caesium carbonate; copper(I) oxide in acetonitrile T=82°C; 70 h;

copper diacetate; air; p-benozquinone; palladium diacetate in dichloromethane T=100°C; 24 h;

caesium carbonate in N,N-dimethyl-formamide T=20°C; 0.5 h;

1: carbon dioxide; 1-phenyl-1H-pyrazole; AlMe2(OMe) With [(η2-cyclooctene)4Rh2(μ-Cl)2]; tri-cyclo-hexyl-phosphine in methanol; N,N-dimethyl acetamide T=70°C; P=760.051 Torr; 8 h; Inert atmosphere; 2: diazomethyl-trimethyl-silane in methanol; diethyl ether T=0°C; 1 h; Inert atmosphere; regioselective reaction;

Cu-exchanged fluoroapatite; air in methanol T=20°C; 22 h;

[(η2-cyclooctene)4Rh2(μ-Cl)2]; tri-cyclo-hexyl-phosphine in methanol; N,N-dimethyl acetamide T=70°C; P=760.051 Torr; 8 h; Inert atmosphere; regioselective reaction;

copper Ullmann Condensation;

benzene Erhitzen des Rueckstands auf 140-150grad;