Organic compounds
AssigneeNovartis AG
InventorsPascale Hoehn, Bernd Koch, Michael Mutz
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Abstract
The invention relates to a new crystalline form II of N-benzoyl-staurosporine; compositions containing the same; processes for the preparation thereof; and the use of crystalline form II of of N-benzoyl-staurosporine in diagnostic methods or therapeutic treatment of warm-blooded animals, especially humans. The invention relates to the amorphous forms of N-benzoyl-staurosporine; compositions containing the same; processes for the preparation thereof; and the use of amorphous N-benzoyl-staurosporine in diagnostic methods or therapeutic treatment of warm-blooded animals, especially humans.
Claims3
A process for purifying staurosporine comprising:
- (a) providing a suspension of staurosporine in an alcohol solvent;
- (b) contacting the suspension with methanesulfonic acid;
- (c) further contacting the solution with triethylamine;
- and
- (d) isolating the product.
Dependencies are inferred from the claim text.