1: 1-Bromonaphthalene With magnesium in diethyl ether T=20°C; Inert atmosphere; 2: thiophene With NiCl2(PCy3)2 in diethyl ether; toluene T=80°C; Wenkert synthesis; 48 h; Inert atmosphere;

NiCl2(PCy3)2 in diethyl ether; toluene T=80°C; Wenkert synthesis; 36 h; Inert atmosphere;

1: ethanolic NaOH 2: PbO; acetic acid anhydride View Scheme

acetic anhydride; PbO