Method for industrially preparing nitrogen substituted amino-5,6,7,8-tetrahydronaphthol
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 19, 2014
Grant Date -
May 1, 2014
app pub date -
Jun 21, 2012
filing date -
Jun 27, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for industrially preparing a nitrogen substituted 6-amino-5,6,7,8-tetrahydronaphthol includes reacting a nitrogen substituted amino-5,6,7,8-tetrahydronaphthol compound of formula (II) with a 2-substituted ethyl sulfonate compound of formula (III) under an alkaline condition and in the presence of a sulfite.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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