Crystalline form of γ-aminobutyric acid analog
AssigneeXenoPort, Inc.
InventorsTono Estrada, Stephen P. Raillard
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Abstract
A crystalline form of a γ-aminobutyric acid analog, and methods of preparing same, are provided.
Claims17
Crystalline 1-{[(α-isobutanoyloxyethoxy)carbonyl]aminomethyl}-1-cyclohexane acetic acid having characteristic absorption peaks at 7.0°±0.3°, 8.2°±0.3°, 10.5°±0.3°, 12.8°±0.3°, 14.9°±0.3°, and 16.4°±0.3° in an X-ray powder diffractogram using Cu Kα radiation.
Crystalline 1-{[(α-isobutanoyloxyethoxy)carbonyl]aminomethyl}-1-cyclohexane acetic acid having an X-ray powder diffractogram using Cu Kα radiation illustrated in FIG. 1.
Crystalline 1-{[(α-isobutanoyloxyethoxy)carbonyl]aminomethyl}-1-cyclohexane acetic acid having a melting point range of between about 63° C. and about 64° C. as determined by differential scanning calorimetry at a scan rate of 5° C./minute.
Dependencies are inferred from the claim text.