| Patent Number |
Title Of Patent |
Date Issued |
| 7355041 |
Intermediates in cefprozil production |
April 8, 2008 |
| A salt of PACA with an amidine and its use in the production of cefprozil. |
| 7317101 |
Antibacterial cephalosporins |
January 8, 2008 |
| A compound of formula ##STR00001## wherein Ac, R.sub.1 and R.sub.2 have various meanings, a process for a preparation thereof and its use as a pharmaceutical, i.e. as antibacterial agent. |
| 6894162 |
Intermediates in cephalosporin production |
May 17, 2005 |
| Cefuroxime in the form of a salt with n-butylamine; and its use for the production of cefuroxime axetil or for the production of the sodium salt of cefuroxime. |
| 6835829 |
Purification process |
December 28, 2004 |
| Processes for the depletion of 7-ADCA in mixtures of vinyl-ACA with 7-ADCA via novel salts of vinyl-ACA or via chromatography. |
| 6825345 |
Process for purification of a cephalosporin derivative |
November 30, 2004 |
| A process for the purification of cefixime via a novel tert-octylamine salt of a cefixime intermediate of formula V ##STR1##which may be crystalline and which may be produced in a one-pot reaction from 7-amino-3-vinyl-ceph-3-em-4-carboxylic acid. |
| 6787649 |
Cephalosporin intermediates |
September 7, 2004 |
| A process which comprises (i) acylating a compound of formula II ##STR1##with a compound of formula IV ##STR2##to obtain a compound of formula I ##STR3##and (ii) deformylating said compound of formula I to obtain a compound of formula III ##STR4## |
| 6784193 |
Mutilin derivatives and their use as antibacterials |
August 31, 2004 |
| A compound of formula (I) wherein R.sub.2 is arylene or heterocyclene; or R and R.sub.2 together with the nitrogen atom to which they are attached form non-aromatic heterocyclene; and the other residues have various meanings, useful as pharmaceuticals, e.g. antimicrobials. |
| 6777549 |
.beta.-lactam production |
August 17, 2004 |
| A process for the production of a compound of formula ##STR1##comprising i) silylating a compound of formula ##STR2##then reacting a resulting with a compound of formulaisolating the desired product. |
