Morphic forms of 4-amino-7-(3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-methyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide and uses thereof
AssigneeChimerix, Inc.
InventorsRoy W. Ware, Venkat Lakshmanan, Aaron Leigh Downey
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to crystalline morphic forms of 4-amino-7-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl) tetrahydrofuran-2-yl)-2-methyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide. The morphic form can be a stable hemihydrate crystalline form.
Claims16
Crystalline 4-amino-7-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-methyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide hemihydrate.
A crystalline hemihydrate form (“Form A”) of 4-amino-7-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-methyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide, wherein said Form has a powder X-ray diffraction pattern comprising a peak at a diffraction angle (20) of about 26.2°, wherein said powder X-ray diffraction pattern is obtained using Cu Kα1 X-rays at a wavelength of 1.5406 Å.
A method of preparing a crystalline hemihydrate form of 4-amino-7-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-methyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide comprising:
- recrystallizing the 4-amino-7-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-methyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide from a solvent having a water activity of at least about 0.18.
Dependencies are inferred from the claim text.