Improved process for obtaining betulinic acid

Details Improved process for obtaining betulinic acid Improved process for obtaining betulinic acid

C - Chemistry, Metallurgy

07

J

C07J 63/00 (2006.01) A61K 31/56 (2006.01) C07J 53/00 (2006.01)

Patent

CA 2474688

The invention relates to an improved method for obtaining highly pure, crystalline betulinic acid from a methanolic extract of ground plane bark and/or plane rind. The invention also relates to a highly pure, crystalline betulinic acid, which is solvated with an equivalent of ethanol.

L'invention concerne un procédé de production amélioré d'acide bétulinique cristallin présentant un degré de pureté élevé, à partir d'un extrait méthanolique d'écorce de platane et/ou de rhytidome de platane moulu(e)(s). L'invention se rapporte en outre à cet acide bétulinique cristallin extrêmement pur, qui est solvaté au moyen d'un équivalent d'éthanol.

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