potassium tert-butylate in dimethyl sulfoxide Ambient temperature;

1: 82 percent / t-BuOK / dimethylsulfoxide / Ambient temperature 2: 96 percent / dichloro(1,5-cyclooctadiene)palladium (II) / benzene / 24 h / Ambient temperature View Scheme

1: 82 percent / t-BuOK / dimethylsulfoxide / Ambient temperature 2: 98 percent / dichloro(1,5-cyclooctadiene)palladium (II) / benzene / 24 h / Ambient temperature View Scheme

1: 82 percent / t-BuOK / dimethylsulfoxide / Ambient temperature 2: 85 percent / dichloro(1,5-cyclooctadiene)palladium (II) / benzene / 24 h / Ambient temperature View Scheme