1: 94.7 percent / KOH / various solvent(s); H2O / 0.5 h / Heating 2: 1.) PCl5, 2.) AlCl3 / 1.) CS2, room temp., 5 h., 2.) chloroform, room temp., 12 h. View Scheme

1: 94.7 percent / KOH / various solvent(s); H2O / 0.5 h / Heating 2: 1.) PCl5, 2.) AlCl3 / 1.) CS2, room temp., 5 h., 2.) chloroform, room temp., 12 h. 3: LiAlH4 / tetrahydrofuran / 5 h / Heating View Scheme