Process for the production of carnitine

Details Process for the production of carnitine Process for the production of carnitine

A - Human Necessities

61

K

260/526.1

A61K 31/13 (2006.01)

Patent

CA 1052816

PROCESS FOR THE PRODUCTION OF CARNITINE Abstract of the Disclosure The process for the production of carnitine hydro- chloride which involves reacting an ester of y-halo- acetoacetic acid having the formula: Image R2 is a lower alkyl group having 1 to 10 carbon atoms and X is halogen selected from the group consisting of chlorine or bromine, with an alkali alcoholate, which is present in a stoichiometrically excessive amount, at a temperature between 0° and -40°C. The reaction product is reacted with trimethylamine at a temperature between 10° and 50°C., a (3-carbalkoxy-2-oxopropyl)-trimethyl ammonium halide resulting. The (3-carbalkoxy-2-oxopropyl)- trimethyl ammonium halide is hydrogenated, a carnitine ester resulting. Then the carnitine ester is converted by means of aqueous hydrochloride acid into carnitine hydrochloride.

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