C07D 505 - Heterocyclic compounds containing 5-oxa-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. oxacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring

Patents for C07D 505 - Heterocyclic compounds containing 5-oxa-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. oxacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring (556)
05/2000
05/17/2000	EP1000945A1 PROCESS FOR PRODUCING $g(b)-LACTAM DERIVATIVES
05/03/2000	EP0997466A1 Novel antimicrobial lactam-quinolones
03/2000
03/01/2000	EP0982398A1 Substrates for beta-lactamase and uses thereof
11/1999
11/17/1999	CN1046523C Preparation of antimicrobial quinolonyl lactams
10/1999
10/13/1999	EP0540609B1 Cephalosporins and homologues, preparations and pharmaceutical compositions
10/07/1999	WO1999050271A1 Novel process for the fermentative production of cephalosporin
08/1999
08/25/1999	EP0937725A2 Method for removing the protecting group for hydroxy group
07/1999
07/28/1999	CN1223859A Process for preparation of pharmaceutical composition
07/21/1999	CN1044246C Bicyclic beta-lactam/p-hydroxy benzoate complexes
07/06/1999	US5919939 Chemical intermediate
06/1999
06/24/1999	WO1999031110A1 Cephalosporin antibiotics
06/24/1999	CA2314139A1 Cephalosporin antibiotics
06/16/1999	EP0922705A1 Fluorinated Cephalosporin antibiotics for treatment of mastitis
03/1999
03/16/1999	US5883247 Acylation with aminothiazole derivative activated as mixed anhydride of thiophosphoric acid
12/1998
12/30/1998	WO1998058931A1 PROCESS FOR PRODUCING β-LACTAM DERIVATIVES
12/22/1998	CA2001201C Antimicrobial quinolonyl lactams esters
10/1998
10/22/1998	WO1998046566A1 IMPROVED β-LACTAM ANTIBIOTICS
09/1998
09/16/1998	EP0864564A1 Method for the preparation of alpha-bromolactam derivatives
09/16/1998	CN1193014A Process for preparing alpha-bromine-lactam derivative
09/10/1998	CA2231631A1 Method for the preparation of .alpha.-bromolactam derivatives
08/1998
08/04/1998	US5789584 Substituted-pyridinyl cephalosporin antibiotics active against methicillin resistant bacteria
06/1998
06/10/1998	CN1184479A Substrates for beta-lactamase and uses thereof
05/1998
05/26/1998	US5756493 Active against methicillin resistant bacteria
05/13/1998	CN1038327C Process for prepn. of cephalosporin derivative
05/12/1998	US5750684 Bactericides
04/1998
04/21/1998	US5741657 Measuring gene expression
03/1998
03/24/1998	USRE35754 Cephem derivatives
01/1998
01/20/1998	US5710146 Antibiotics for bactericides
01/14/1998	EP0817785A2 Substrates for beta-lactamase and uses thereof
12/1997
12/17/1997	EP0812846A1 Preparation of cephem- and isooxacephem derivatives
12/17/1997	CN1167766A Preparation of cephem- and isooxacephem derivatives
12/16/1997	US5698547 Cephalosporin antibiotics
12/10/1997	CA2206199A1 Preparation of cephem- and isooxacephem derivatives
11/1997
11/18/1997	US5688786 β-lactam antibiotics
09/1997
09/30/1997	US5672600 Antimicrobial dithiocarbamoyl quinolones
09/09/1997	CA1339450C Stable oxapenem-3-carboxylic acids
08/1997
08/12/1997	US5656623 Bactericides; antibiotics
07/1997
07/15/1997	US5648346 Antimicrobial carbacephem-quinolones
07/08/1997	US5646139 Antimicrobial carbapenem quinolones
06/1997
06/10/1997	US5637580 Antimicrobial penem-quinolones
05/1997
05/20/1997	US5631256 Antimicrobial quinolone thioureas
05/14/1997	CN1149874A Cephalosporin antibiotics
04/1997
04/15/1997	US5620968 7-substituted-amino-3-substituted-3-cephem-4-carboxylic acids
03/1997
03/19/1997	EP0606336B1 Process for making antimicrobial quinolonyl lactams
03/04/1997	US5608055 Beta lactam production
03/04/1997	US5607926 Active against methicillin resistant bacteria
02/1997
02/18/1997	US5604218 Cephalosporin antibiotics
01/1997
01/22/1997	EP0754184A1 Cephalosporin antibiotics
01/14/1997	US5593986 Cephalosporin antibiotics
01/09/1997	WO1996030540A3 Substrates for beta-lactamase and uses thereof
12/1996
12/31/1996	US5589592 Process for preparing β-lactam derivative and synthetic intermediate
12/24/1996	US5587474 Method for removing the protecting group for carboxyl group
12/05/1996	WO1996038450A1 Cephalosporin antibiotics
12/05/1996	WO1996038448A1 β-LACTAM ANTIBIOTICS
11/1996
11/12/1996	US5574153 Bactericides
10/1996
10/03/1996	WO1996030540A2 Substrates for beta-lactamase and uses thereof
06/1996
06/18/1996	US5527792 7-substituted-amino-3-substituted-3-cephem-4-carboxylic acids
06/13/1996	WO1996017847A1 Process for the preparation of cephalosporins and analogues
06/11/1996	US5525599 7-substituted-amino-3-substituted-3-cephem-4-carboxylic acids
03/1996
03/13/1996	CN1118349A Oxime derivatives of cephalosporanic structure and compounds for their preparation
02/1996
02/13/1996	US5491139 Antimicrobial quinolonyl lactams
01/1996
01/10/1996	CN1030657C Method for preparing autibacterial compounds
10/1995
10/12/1995	WO1995026966A1 Cephalosporin antibiotics
10/12/1995	CA2186894A1 Cephalosporin antibiotics
08/1995
08/09/1995	CN1106410A Bicyclic beta-lactam/paraben complexes
07/1995
07/18/1995	US5434147 Antimicrobial quinolonyl lactam esters
05/1995
05/30/1995	US5420269 3-fluorosulfonyloxyceph-3-em compounds
05/09/1995	US5414081 Treating a 1-aza-3-thiabicycloalkane with base and phosphine or phosphite desulfurizing agent, and reacting the product with an active esterifying agent
05/02/1995	US5412094 Bicyclic beta-lactam/paraben complexes
04/1995
04/25/1995	US5409919 Pharmaceutically acceptable salt of 7B-[2-(5-amino-1,2,4-thio-diazol-3-yl)-2(Z)-metho-xyiminoacetamido]-3-[(imidazo[1,2-b]pyridazinium-1-yl)methyl]-3-cephem-4-carboxylate and composition comprising same
02/1995
02/28/1995	US5393882 Bicyclic β-lactam antibiotics
02/15/1995	EP0638574A1 Oxime derivatives of cephalosporanic structure and compounds for their preparation
02/10/1995	CA2128557A1 Oxime derivatives of cephalosporanic structure and compounds for their preparation
02/08/1995	EP0637587A1 Bicyclic beta-lactam/paraben complexes
02/07/1995	US5387748 Antimicrobial dithiocarbamoyl quinolones
12/1994
12/29/1994	CA2126401A1 Bicyclic beta-lactam/paraben complexes
12/21/1994	CN1027066C Method for manufacturing of novel indole derivative
10/1994
10/05/1994	CN1093089A Cephalosporin salts and process for the preparation thereof
07/1994
07/12/1994	US5328908 Antimicrobial quinolone thioureas
06/1994
06/29/1994	EP0603755A2 Cephalosporin salts and processes for their preparation
06/25/1994	CA2112196A1 Cephalosporin salts and process for the preparation thereof
04/1994
04/27/1994	EP0593457A1 Antimicrobial quinolone thioureas
01/1994
01/25/1994	US5281703 Process for making antimicrobial quinolonyl lactams
01/04/1994	US5275816 Cephalosporin derivatives
12/1993
12/28/1993	US5273973 Antimicrobial quinolonyl esters
12/22/1993	EP0574940A1 Method for removing the protecting group for carboxyl group
11/1993
11/09/1993	US5260438 With fluorine compound
11/03/1993	EP0567949A1 Method for removing the protecting group for hydroxy group
10/1993
10/19/1993	US5254679 Containing a quaternized nitrogen
09/1993
09/21/1993	US5246926 Cephalosporin derivatives
09/14/1993	US5245027 Antibiotics
09/08/1993	EP0559533A1 Process for preparing beta-lactam derivative and synthetic intermediate thereof
09/07/1993	CA2085540A1 Process for preparing beta-lactam derivative and synthetic intermediate the reof
08/1993
08/24/1993	US5239068 Cephalosporins
08/11/1993	CN1075146A Process for making antimicrobial quinolonyl lactams
05/1993
05/12/1993	EP0540609A1 Cephalosporins and homologues, preparations and pharmaceutical compositions
05/12/1993	EP0540606A1 Cephalosporins and homologues, preparations and pharmaceutical compositions
04/1993
04/15/1993	WO1993007154A1 Process for making antimicrobial quinolonyl lactams
04/15/1993	CA2120493A1 Process for making antimicrobial quinolonyl lactams
01/1993
01/20/1993	EP0523585A2 Improvements in or relating to beta lactam production

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