Compositions of l-dopa esters

Details Compositions of l-dopa esters Compositions of l-dopa esters

C - Chemistry, Metallurgy

07

C

C07C 229/34 (2006.01) A61K 31/195 (2006.01) A61K 31/215 (2006.01) C07C 227/18 (2006.01)

Patent

CA 2112160

COMPOSITIONS OF L-DOPA ESTERS ABSTRACT OF THE INVENTION A composition which comprises a pharmaceutically acceptable carrier and an active ingredient, such active ingredient comprising L-DOPA ethyl ester in an amount which is at least 97%, by weight, of the active ingredient, and L-DOPA in an amount which is less than 1% by weight of such active ingredient is provided by this invention. This invention also provides a process for preparing such a composition. Further, this invention provides a method of treating a patient suffering from Parkinson's disease which comprises administering to a patient a pharmaceutical composition comprising a therapeutically effective amount of L-DOPA ethyl ester and a pharmaceutically acceptable carrier.

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