Process for the preparation of Tazobactam in pure form

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07417143

ABSTRACT:
An improved process for the purification of tazobactam or its derivatives of the formula (I)wherein R represents hydrogen, C1-C6alkyl, p-methoxybenzyl, o-nitrobenzyl, p-nitrobenzyl, o-chlorobenzyl, benzyl or diphenylmethyl, which comprises the steps of:i) slurrying the compound of formula (I) containing the impurity of the formula (V) using a solvent in the presence or absence of tartaric acid with or without the presence of water at 20-50° C. andii) isolating the compound of formula (I) in pure form.

REFERENCES:
patent: 4626384 (1986-12-01), Tanaka et al.
patent: 2002/0193587 (2002-12-01), Shimabayashi et al.
patent: 2002/0193588 (2002-12-01), Shimabayashi et al.
patent: 2003/0232983 (2003-12-01), Deshpande et al.
patent: 2004/0162277 (2004-08-01), Shimbayashi et al.
patent: A-63-066187 (1988-03-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Process for the preparation of Tazobactam in pure form does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of Tazobactam in pure form, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of Tazobactam in pure form will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3995029

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.