Method of preparation and isolation of betulin diacetate from birch bark from paper mills and its optional processing to betulin
Abstrakt
This patent deals with new method of preparation and isolation of betulin diacetate from birch bark, especially from birch bark utilized in paper mills describing all necessary steps and conditions for fast and efficient chemical processing of starting material to final betulin derivative. This patent also describes for optionalof betulin diacetate into pure betulin.