Patent ID: 6232497
Filing Date: 2001-05-15
Classification: A61P,C07C

Abstract:
A method of preparing alkali metal and alkali earth metal pyruvates comprising:reacting pyruvic acid with at least one acidic organic compound selected from the group consisting of Li, Na, K, Rb, Cs, Mg, Sr and Ba salt of an acidic organic compounds selected from acidic and alkali organic keto or hydroxy compounds at a temperature ranging from -20.degree. C. to 120.degree. C., optionally in the presence of a diluent or solvent;recovering the resultant Li, Na, K, Rb, Ls, Mg, Sr or Ba pyruvate; andpreparing an agent containing at least one of said Li, Na, K, Rb, Cs, Mg, Sr and Ba pyruvate.