Process for preparing 1,2,3,9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-YL)methyl]-4H-carb-azol-4-one
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 29, 2006
Grant Date -
Jan 27, 2005
app pub date -
Apr 29, 2003
filing date -
Apr 29, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for preparing ondansetron by transamination of an ondansetron structural analog that can be readily prepared conveniently by a Mannich reaction is provided. The process represents an improvement upon known procedures for making ondansetron by transamination because of its rapid rate, selectivity and the ease with which the product can be isolated from the reaction mixture.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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