1: 1.) NaN(SiMe3)2 / 1.) benzene, 1 h, reflux; 2.) 12 h, room temperature 2: 42 percent / KOH, NaBH4 / methanol / 6 h / Heating View Scheme

sodium hexamethyldisilazane 1.) benzene, 1 h, reflux; 2.) 12 h, room temperature; Yield given. Multistep reaction;