Method for preparation of o-desmethylvenlafaxine using polythiolates
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 21, 2010
app pub date -
Jul 21, 2009
filing date -
Jul 21, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
This invention relates to methods of making O-desmethylvenlafaxine from venlafaxine. In the methods venlafaxine is contacted with a polythiolate. The polythiolate may be prepared from the corresponding polythiol in the presence of base. The present methods provide the O-desmethylvenlafaxine in good yields and high purity and are suitable for use on an industrial scale.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully