1: tetrahydrofuran / 0.25 h / -75 °C 2: acetic acid, NaBH4 / tetrahydrofuran / -75 deg C -> r.t. View Scheme

in tetrahydrofuran T=-75°C; 0.25 h; Yield given;

1: n-BuLi / tetrahydrofuran / -78 °C / addition of 2,6-dibromopyridine to a solution of BuLi 2: n-BuLi / tetrahydrofuran / 0.25 h / -78 °C / addition of 2,6-dibromopyridine into a solution of dilithiopyridine View Scheme