1: benzo[b]thiophene With n-butyllithium; tri-isopropoxy-borane in tetrahydrofuran; hexane T=-78°C; 1 h; Inert atmosphere; 2: 1-bromo-3-hydroxy-benzene With potassium phosphate; C45H58ClNPPd in tetrahydrofuran; hexane; water T=40°C; Suzuki-Miyaura Coupling; 2 h; Inert atmosphere;

1: toluene / 6 h / 120 °C 2: potassium tert-butylate / tetrahydrofuran / 5 h / |Schlenk technique 3: K2S / N,N-dimethyl-formamide / 24 h / 140 °C / |Schlenk technique; |Inert atmosphere View Scheme

1: toluene / 6 h / 120 °C 2: potassium tert-butylate / tetrahydrofuran / 5 h / |Schlenk technique 3: K2S / N,N-dimethyl-formamide / 24 h / 140 °C / |Schlenk technique; |Inert atmosphere View Scheme