1: HgO, aq. H2SO4 2: aq. H2SO4 / Heating View Scheme

1: 1-chloro-4-[(methylthio)ethynyl]benzene With palladium diacetate; bis[2-(diphenylphosphino)phenyl] ether in tetrahydrofuran 0.166667 h; Inert atmosphere; 2: C6H4ClIZn*ClLi in tetrahydrofuran T=50°C; 12 h; Inert atmosphere;