Process to bromomethylate aromatic compounds
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 18, 2006
Grant Date -
Dec 2, 2004
app pub date -
Aug 29, 2001
filing date -
Aug 29, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a process for bromomethylation of organic compounds, wherein said process is a two stage process comprising of the following stages: a) reacting paraformaldehyde with hydrogen bromide and separating bis-bromomethyl ether (BBME) from the reaction mixture, and, b) reacting BBME obtained in stage (a) with an organic compound in the presence of a Lewis acid, to obtain the bromomethylated organic compound. Further provided by the present invention is a process for the preparation of 4,4'-bis-(diethylphosphonomethyl)-biphenyl (BPMB).
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