chloro-trimethyl-silane; zinc in tetrahydrofuran 0.333333 h;

1: zinc With ethylene dibromide in tetrahydrofuran T=65°C; 0.0833333 h; Inert atmosphere; 2: 4-bromomethyl-fluorobenzene in tetrahydrofuran T=0°C; 10 h; Inert atmosphere;