Process for the preparation of 3-(4'-bromobiphenyl-4-yl)tetralin-1-one
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 10, 1989
Grant Date -
N/A
app pub date -
May 11, 1988
filing date -
Sep 24, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A new process for the preparation of a 3-(4'-bromobiphenyl-4-yl)tetralin-1-one known as a key intermediate for the production of rodenticides and clinical medicines is provided. The title compound is prepared from P-bromobiphenylbenzylketone in three steps, wherein one of key inventions is dehydroxylation of 3-(4'-bromobiphenyl)-3-hydroxy-4-phenylbutyric acid ethyl ester using trialkylsilane in trifluoroacetic acid. This new process offers a high yield with a facile way and is more suitable for a commercial production than the prior art methods.
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