反应条件
1: With n-butyllithium; N,N,N',N,-tetramethylethylenediamine in diethyl ether; hexane; water T=0 - 20°C; 1 h; 2: With sulfur in diethyl ether; hexane T=-65 - 20°C; 3 h; 3: With lithium aluminium tetrahydride in diethyl ether; hexane T=0 - 20°C; 1 h;
