hydrogen; potassium cyanide; potassium hydroxide; cerium(III) chloride; potassium chloride; β-cyclodextrin; cobalt(II) chloride in benzene P=760 Torr; 50 h; Ambient temperature; Yield given. Yields of byproduct given;

aluminium silicate T=380°C;

hydrogen cation

T=350°C;

hydrogen; potassium cyanide; potassium hydroxide; cerium(III) chloride; potassium chloride; β-cyclodextrin; cobalt(II) chloride in benzene P=760 Torr; 50 h; Ambient temperature; Yield given. Yields of byproduct given;