triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide in N,N-dimethyl-formamide 0.5 h; Ambient temperature;

1: 1.) LDA / 1.) THF, hexane, -78 deg C, 30 min, 2.) THF, hexane, -78 deg C, 15 min; r.t., 30 min 2: 49 percent / Et3N / Pd(PPh3)2Cl2, CuI / dimethylformamide / 0.5 h / Ambient temperature View Scheme

ammonia in ethanol T=80°C; 2 h;