Omeprazole Sodium semihydrate and preparation method thereof
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United States of America Patent
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Dec 5, 2017
Issued Date -
N/A
app pub date -
Nov 20, 2015
filing date -
Apr 2, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
It discloses Omeprazole Sodium semihydrate and preparation method thereof, wherein every mole of Omeprazole Sodium semihydrate contains 0.5 mole of water, and it has an X-ray diffraction pattern comprising characteristic peaks at diffraction angles 2θ of 6.26°±0.1°, 11.10°±0.1°, 12.20°±0.1°, 15.58°±0.1°, 16.02°±0.1°, 17.12°±0.1°, 19.08°±0.1°, 21.00°±0.1°, 22.68°±0.1°, 23.48°±0.1°, 24.08°±0.1°, 26.52°±0.1° and 28.08°±0.1°. A raw material of Omeprazole Sodium hydrate is added into an organic solvent, stirring for 2˜9 hours at constant temperature of 25˜60° C., thereafter Omeprazole Sodium semihydrate is provided after filtrating and drying.
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International Classification(s)
- 2015 Application Filing Year
- C07D Class
- 5466 Applications Filed
- 4606 Patents Issued To-Date
- 84.27 % Issued To-Date
Cited Art Landscape
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- 0 Citation Count
- C07D Class
- 0 % this patent is cited more than
- 8 Age
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