1: 2-phenyl-1,3-dithiane With n-butyllithium in tetrahydrofuran; pentane T=0°C; 2: triisopropylsilyl chloride in tetrahydrofuran; pentane

1: 2-phenyl-1,3-dithiane With n-butyllithium in tetrahydrofuran; hexane T=0°C; 0.166667 h; 2: tri-isopropylsylil trifluoromethane sulfonate in tetrahydrofuran; hexane T=0 - 20°C;