1: With lithium in tetrahydrofuran T=-90°C; 2: With water T=-78°C;

1: thiophenol With n-butyllithium; N,N,N',N,-tetramethylethylenediamine in hexane; cyclohexane T=0 - 20°C; 6.5 h; Inert atmosphere; 2: diphenyldisulfane in hexane; cyclohexane T=0 - 20°C; Inert atmosphere; 3: With hydrogenchloride in hexane; cyclohexane; water