NaHMDS in tetrahydrofuran T=0°C; Inert atmosphere;

tert.-butyl lithium 1.) THF, pentane, -70 deg C to -60 deg C, 3.5 h, 2.) THF, pentane, -60 deg C to -50 deg C, 30 min; Yield given. Multistep reaction;

in tetrahydrofuran T=20°C; 3 h;

palladium diacetate; caesium carbonate; 2-(dicyclohexylphosphino)-2',4',6'-tri-i-propyl-1,1’-biphenyl in 1,4-dioxane T=100°C; 24 h;

in tetrahydrofuran

1: 3-(tert-butyloxycarbonylamino)-4-methyl-pyridine With tert.-butyl lithium in tetrahydrofuran; pentane T=-40°C; 1 h; Inert atmosphere; 2: oxalic acid diethyl ester in tetrahydrofuran; pentane T=-40 - 20°C; 21.25 h; Inert atmosphere; 3: With hydrogenchloride in tetrahydrofuran; water; pentane 2 h; HeatingReflux;

1: With n-butyllithium; N,N-dimethyl-formamide in tetrahydrofuran T=-78 - 20°C; 2: With hydrogenchloride in tetrahydrofuran; water T=50°C;

hydrogen; platinum(IV) oxide in acetic acid T=20°C; 15 h;