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: 3-iodo-2-phenyl-1H-indole With sodium hydride in N,N-dimethyl-formamide 0.166667 h; 2: methyl iodide in N,N-dimethyl-formamide T=20°C; 1 h;

1.1: NaH / dimethylformamide / 0.5 h / 20 °C 1.2: 68 percent / dimethylformamide / 14 h / 20 °C 2.1: 45 percent / Pd(tricyclohexylphosphine)3; cesium pivalate / dimethylformamide / 7 h / 110 °C / 760.05 Torr View Scheme