1: With n-butyllithium in tetrahydrofuran; hexane T=-30 - 0°C; 2.5 h; 2: With acetic acid in tetrahydrofuran; hexane

FeC2O4·2H2O; pyclen T=130°C; Suzuki-Miyaura reaction; 10 h; regioselective reaction;

ammonium acetate in ethanol 1.5 h; Heating;

1: 1.) n-butyllithium / 1.) THF, from - 70 deg C to - 30 deg C, 2.) a) - 25 deg C, 2 h, b) RT, 16 h 2: 2N HCl / tetrahydrofuran / 1 h / Ambient temperature 3: ammonium acetate / ethanol / 1.5 h / Heating View Scheme

2: Leiten ueber Tonscherben bei 700grad View Scheme