1: 4-Methylpyridine; n-butyllithium With N,N,N',N,-tetramethylethylenediamine in tetrahydrofuran; hexane T=-78 - -10°C; Inert atmosphere; 2: ethylene episulphide in tetrahydrofuran; hexane T=-78 - 20°C; Inert atmosphere; 3: With water; ammonium chloride in tetrahydrofuran; hexane

sodium methylate in methanol T=18°C; anodic oxidation (graphite-rod electrodes);

n-butyllithium; diethyl ether

diethyl ether; phenyllithium anschliessendes Erwaermen mit Propylbromid;

ammonium hydroxide; zinc(II) chloride 1.) 20 deg C, 3 h, 2.) 0 deg C; Yield given. Multistep reaction;

diethyl ether; phenyllithium