1: 95 percent / 2,2-di-tert-butylperoxybutane (DBPB); tert-dodecanethiol (TDT); collidine / octane; chlorobenzene / 3 h / Heating 2: Ti(OEt)4 / ethanol View Scheme

lithium aluminium tetrahydride in tetrahydrofuran T=22°C; 1 h;