1: cyclohexanecarboxylic acid Na-salt With n-butyllithium; diethylamine in tetrahydrofuran; hexane T=20°C; 4.5 h; 2: toluene-4-sulfonic acid 2-ethyl-butyl ester in tetrahydrofuran; hexane T=10 - 20°C; 19.5 h; 3: With hydrogenchloride in water Product distribution / selectivity;

1: cyclohexanecarboxylic acid Na-salt With n-butyllithium; diethylamine in tetrahydrofuran; hexane T=20°C; 4.5 h; 2: toluene-4-sulfonic acid 2-ethyl-butyl ester in tetrahydrofuran; hexane T=10 - 20°C; 19.5 h; 3: With hydrogenchloride in water Product distribution / selectivity;