Process for the isolation of galanthamine
AssigneeLTS Lohmann Therapie-Systeme AG
InventorsThomas Hille, Hans-Rainer Hoffmann, Mirko Kreh, Rudolf Matusch
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Abstract
The subject matter of the present invention concerns a process for the isolation of the alkaloid galanthamine; the galanthamine itself which has been produced according to this process; the use of the galanthamine thus produced in galenic preparations; and the galanthamine thus produced for treating narrow-angle glaucoma, Alzheimer's disease, as well as alcohol and nicotine dependence.
Claims7
A method for purification of galanthamine, which comprises recrystallizing a galanthamine-containing residue with a suitable solvent having a residual chlorohydrocarbon content of less than 10 ppm.
Dependencies are inferred from the claim text.