1: 31 percent / sodium, hexamethylphosphoramide, molecular sieve / tetrahydrofuran / Ambient temperature 2: 34 percent / benzene / 2 h / Irradiation View Scheme

1: 31 percent / sodium, hexamethylphosphoramide, molecular sieve / tetrahydrofuran / Ambient temperature 2: 34 percent / benzene / 2 h / Irradiation View Scheme

in benzene 2 h; Irradiation;