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Crystalline form of dextral oxiracetam, preparation method therefor and use thereof
Crystalline form of dextral oxiracetam, preparation method therefor and use thereof
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机译:右旋奥拉西坦的晶型,其制备方法及其用途
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摘要
The present invention provides a crystalline form of dextral oxiracetam. The crystalline form has a diffraction peak when a diffraction angle, 2θ, is 17.12±0.2°, 18.88±0.2°, 19.24±0.2°, 21.18±0.2°, 24.88±0.2°. The crystalline form having oxiracetam can promote synthesis of phosphorylcholine and phosphoethanolamine, boosts cerebral metabolism, has a stimulating function on a specific central nervous pathway through a blood-brain barrier, improves the intelligence and memory, has an obvious effect on a memory dysfunction, and has special biologic activity in the field of sedation and the antiepileptic field. The method for preparing the crystalline form is simple and is suitable for industrial production.
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