1: (RS)-1-(n-butyltellanyl)-3-butanol With n-butyllithium in tetrahydrofuran; hexane T=-70°C; Inert atmosphere; 2: With copper (I) cyanide in tetrahydrofuran; hexane T=-70°C; 0.333333 h; Inert atmosphere; 3: n-butyl p-toluenesulfonate in tetrahydrofuran; hexane T=-70°C; 6 h; Inert atmosphere;

1: (RS)-1-(n-butyltellanyl)-3-butanol With n-butyllithium in tetrahydrofuran; hexane T=-70°C; Inert atmosphere; 2: With copper (I) cyanide in tetrahydrofuran; hexane T=-70°C; 0.333333 h; Inert atmosphere; 3: 1-bromo-butane in tetrahydrofuran; hexane T=-70°C; 4 h; Inert atmosphere;

1: (RS)-1-(n-butyltellanyl)-3-butanol With n-butyllithium in tetrahydrofuran; hexane T=-70°C; Inert atmosphere; 2: With copper (I) cyanide in tetrahydrofuran; hexane T=-70°C; 0.333333 h; Inert atmosphere; 3: 1-iodo-butane in tetrahydrofuran; hexane T=-70°C; 3 h; Inert atmosphere;

1: (RS)-1-(n-butyltellanyl)-3-butanol With n-butyllithium in tetrahydrofuran T=-78°C; 0.0833333 h; 2: With zinc(II) chloride in tetrahydrofuran T=-78 - -10°C; 1 h; 3: benzoyl chloride Further stages;

1: (RS)-1-(n-butyltellanyl)-3-butanol With n-butyllithium in tetrahydrofuran; hexane T=-70°C; Inert atmosphere; 2: With copper (I) cyanide in tetrahydrofuran; hexane T=-70°C; Inert atmosphere; 3: p-toluenesulfonic acid nonyl ester in tetrahydrofuran; hexane T=-70°C; Inert atmosphere;

1: (RS)-1-(n-butyltellanyl)-3-butanol With n-butyllithium in tetrahydrofuran T=-78°C; 0.0833333 h; 2: With zinc(II) chloride in tetrahydrofuran T=-78 - -10°C; 3: 4-fluoro-benzoyl chloride Further stages;

1: (RS)-1-(n-butyltellanyl)-3-butanol With n-butyllithium in tetrahydrofuran; hexane T=-70°C; 0.333333 h; 2: benzophenone in tetrahydrofuran; hexane T=-70 - 0°C;