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US 2014/0350272 A1Published application
Crystalline forms of dimethoxy docetaxel and methods for preparing the same
AssigneeAventis Pharma S.A.
InventorsPascal BILLOT, Marielle DUFRAIGNE, Hagit ELMALEH, Alexandre GIULIANI, Fabrice MANGIN, Patricia RORTAIS, Lionel ZASKE
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Abstract
The invention relates to anhydrides, solvates and ethanol hetero-solvates and hydrates of dimethoxy docetaxel or (2R,3S)-3-tert-butoxycarbonylamino-2-hydroxy-3-phenyl-propionate of 4-acetoxy-2α-benzoyloxy-5β,20-epoxy-1-hydroxy-7β, 10β-dimethoxy-9-oxo-tax-11-ene-13α-yle, and to the preparation thereof.
Claims22
Crystalline forms of 4-acetoxy-2α-benzoyloxy-5β,20-epoxy-1-hydroxy-7β,10β-dimethoxy-9-oxotax-11-en-13α-yl (2R,3S)-3-tert-butoxycarbonylamino-2-hydroxy-3-phenyl-propionate, with the exception of the acetonate form.
Dependencies are inferred from the claim text.