Efficient process for separation of diastereomers of 9-[(R)-2-[[(R,S)-[[(S)-1-(isopropoxycarbonyl)ethyl]amino]-phenoxyphosphinyl]methoxy]propyl]adenine
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United States of America Patent
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Jun 13, 2017
Grant Date -
May 5, 2016
app pub date -
Jun 6, 2014
filing date -
Jun 7, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to an efficient process for the separation of diastereomers of 9-[(R)-2-[[(R,S)-[[(S)-1-(Isopropoxycarbonyl)ethyl]amino]-phenoxyphosphinyl]methoxy]propyl]adenine and to a process for preparing 9-[(R)-2-[[(R)-[[(S)-1-(Isopropoxycarbonyl)ethyl]amino]phenoxyphosphinyl]methoxy]propyl]adenine and 9-[(R)-2-[[(S)-[[(S)-1-(Isopropoxycarbonyl)ethyl]amino]phenoxyphosphinyl]methoxy]propyl]adenine.
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International Classification(s)
- 2014 Application Filing Year
- C07F Class
- 1196 Applications Filed
- 979 Patents Issued To-Date
- 81.86 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C07F Class
- 0 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 13, 2028 |
