Process for the preparation of 1,4,7,10-tetraaza-cyclododecane-1,4,7-triacetic acid and the derivatives thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 26, 2000
Issued Date -
N/A
app pub date -
Mar 14, 2000
filing date -
Jun 25, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A process for the preparation of 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid and the salts thereof of formula (I) ##STR1## which comprises the following steps: a) carboxymethylation reaction of a suitable precursor in water, with a haloacetic acid, b) hydrolysis reaction in basic conditions by addition of the base added at the previous step.
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