C07D 501 - Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring

Patents for C07D 501 - Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring (7,574)
12/1997
12/31/1997	CA2252809A1 New synthetic catechol derivatives, method for production and use thereof
12/30/1997	US5703243 Intermediates for pyrrolidylthiocarbapenem derivative
12/30/1997	US5703231 Process for making antimicrobial compounds
12/24/1997	CN1036763C Pharmaceutical composition pharmaceutical granulate and process for their preparation
12/23/1997	US5700932 Process for preparing cephem derivative
12/23/1997	CA2076430C Pyrrolidylthiocarbapenem derivative
12/18/1997	WO1997047627A1 Process for producing 3-norcephem compounds
12/18/1997	WO1997047301A1 Improved process for preparing potassium clavulanate
12/17/1997	EP0812846A1 Preparation of cephem- and isooxacephem derivatives
12/17/1997	EP0812323A1 Derivatives of 3-pyrrolidylidene-2-one-cephalosporines
12/17/1997	CN1167766A Preparation of cephem- and isooxacephem derivatives
12/17/1997	CN1167765A Process for isolating or purifying cefonicid and process for preparing salts thereof
12/16/1997	US5698703 Syn-isomer of thiazolyl intermediate and process for the preparation thereof
12/16/1997	US5698547 Cephalosporin antibiotics
12/16/1997	US5698544 Antiboiotic against methicillin resistance staphylococcus aureus
12/10/1997	EP0811009A1 Stable hydrates of a cephalosporin chloride salt
12/10/1997	CA2206199A1 Preparation of cephem- and isooxacephem derivatives
12/03/1997	EP0809644A1 4-substituted cephem derivatives as elastase inhibitors
12/03/1997	CN1036587C Process for preparation of cephalosporin antibiotic
12/02/1997	US5693792 β-lactam and cephem compounds and processes for their production
12/02/1997	US5693791 Penicillins and cephalosporins linked to metronidazole to produce antibiotics with new properties
12/02/1997	US5693790 Crystalline form of a cephalosporin antibiotic
11/1997
11/27/1997	WO1997044000A2 Dna-binding indole derivatives, their prodrugs and immunoconjugates as anticancer agents
11/19/1997	EP0807439A2 Method of treating sepsis and adult respiratory distress syndrome
11/18/1997	US5688942 Process for preparing 2-isocephem derivatives
11/18/1997	US5688786 β-lactam antibiotics
11/13/1997	WO1997042177A1 Process for the preparation of ureide derivatives and new intermediates of synthesis
11/11/1997	US5686604 Cephalosporines
11/11/1997	US5686588 Amine acid salt compounds and process for the production thereof
11/06/1997	WO1997041128A1 3-pyrazoliomethylcephem compounds as antimicrobial agents
11/05/1997	EP0804441A1 Clavulanic acid extraction process
11/05/1997	CN1164235A Silylation process
10/1997
10/29/1997	EP0803506A1 Process for the preparation of 3-halogenocephem derivatives
10/28/1997	US5681563 7-vinylidene cephalosporins and methods of using the same
10/23/1997	WO1997039002A1 Production of 7-aminocephalosporanic acid derivative
10/16/1997	WO1997037997A1 Cephalosporin derivatives
10/16/1997	WO1997037996A1 Cephem compounds and drugs containing the compounds
10/14/1997	US5677443 Bioavailable crystalline form of cefuroxime axetil
10/08/1997	EP0799232A1 Production of cefotaxime and new sodium salts
10/07/1997	US5675003 3-ammoniopropenyl cephalosporin compounds as antibacterial agents
09/1997
09/30/1997	US5672711 Condensation, acylation; forming cefotaxime
09/30/1997	US5672600 Antimicrobial dithiocarbamoyl quinolones
09/25/1997	WO1997034902A1 Process for purifying 7-substituted-amino-desacetoxy-cephalosporines through the use of filtration membranes
09/24/1997	EP0796263A1 Cephem compounds and pharmaceutical use thereof
09/24/1997	EP0796262A1 7-alkylidene cephalosporanic acid derivatives and methods of using the same
09/24/1997	EP0796261A1 Process for the preparation of intermediates useful in the synthesis of cephalosporins
09/18/1997	WO1997034027A1 Process for the preparation of 3-alkoxymethylcephems
09/18/1997	WO1997033891A1 PROCESS FOR THE PREPARATION OF ss-LACTAM COMPOUNDS
09/17/1997	CN1159809A Process for making quinolonyl lactam antimicrobials and novel intermediate compounds
09/16/1997	US5668290 Substituted 4-thio pyridones
09/16/1997	US5668284 Cephalosporin derivatives
09/10/1997	EP0793666A1 Silylation process
09/09/1997	US5665888 Protected aminothiazolylacetic acid derivatives
09/03/1997	CN1158333A Method for preparing cynnematin antibiotic
09/02/1997	US5663331 Bactericides
09/02/1997	US5663330 Process for the selective sulfoxide reduction of 3-hydroxy cephem and 3-methylene cepham compounds
09/02/1997	US5663163 Cephem compounds and processes for preparation thereof
09/02/1997	US5663162 Cephem derivatives
09/02/1997	CA1339421C Cephalosporin derivatives and processes for their preparation
09/02/1997	CA1339420C Cefadroxil solvates and method for producing the same
09/02/1997	CA1339419C Crystalline dihydrochloride of cephalosporin derivative and a method forpreparation thereof
09/02/1997	CA1339418C Cephalosporin antibiotics
09/02/1997	CA1339417C Cephalosporin compounds and antibacterial agents
08/1997
08/27/1997	EP0791597A1 Method for manufacture of cephalosporins and intermediates thereof
08/27/1997	EP0791596A1 Method for manufacture of cephalosporins and intermediates thereof
08/27/1997	CN1158120A Process for making antimicrobial compounds
08/26/1997	US5661144 Effective against antibiotic resistant bacteria
08/26/1997	US5660711 Process for the preparation of intermediates useful in the synthesis of cephalosporins
08/19/1997	US5659030 Antibiotic drug in crystal form
08/19/1997	CA1339312C Process for the manufacture of carboxylic acid amides
08/14/1997	WO1997029111A1 New cephem compounds and pharmaceutical use thereof
08/14/1997	CA2246321A1 New cephem compounds and pharmaceutical use thereof
08/12/1997	US5656755 Process for preparation on 3-substituted cephem compound
08/12/1997	US5656754 Reacting an allenyl-b-lactam compound with an organotin compound
08/12/1997	US5656623 Bactericides; antibiotics
08/12/1997	CA1339275C New substituted cephalosporin sulfones as anti-inflammatory and antidegenerative agents
08/06/1997	EP0504404B1 Process for producing 3-substituted thio-3-cephem compound
08/05/1997	US5654425 Having an easily hydrolyzible phenylacetyl- or phenoxyacetyl-blocking group on the amino group of an 7-(2-aminothiazol-4-yl)acetylcephalosporin; chemical intermediates
08/05/1997	CA1339213C Substantially anhydrous crystalline cefadroxil and method for producing it
07/1997
07/22/1997	US5650518 Protected aminothiazolylacetic acid derivatives
07/16/1997	EP0674645B1 Cephem compounds with antimicrobial activity
07/15/1997	US5648346 Antimicrobial carbacephem-quinolones
07/10/1997	WO1997024359A1 Novel cephalosporin derivatives and processes for the preparation thereof
07/10/1997	WO1997024358A1 Process for preparation of cefdinir
07/08/1997	US5646139 Antimicrobial carbapenem quinolones
07/02/1997	EP0781286A1 7,7-disubstituted cephem-4-ketones
07/01/1997	US5644052 Process for the production of cephalosporines and novel intermediates in this process
06/1997
06/26/1997	WO1997022611A1 Cephalosporin derivatives
06/26/1997	WO1997022610A1 Process for the preparation of an antibiotic
06/26/1997	WO1997022609A1 4-substituted cephem derivatives as elastase inhibitors
06/25/1997	EP0780393A1 Novel crystal of cephalosporin compound
06/25/1997	CN1152575A New cephalosporing containing in position 7 substituted benzyloxyimino radical, their preparation process and intermediates, their use as medicaments
06/18/1997	CN1035181C Process for prep. of 3-unsaturated alkyl cephems from 3-triflyl cepheme
06/17/1997	US5639877 Intermediates in the synthesis of cephalosporins
06/12/1997	WO1997020849A1 Cephalosporin fluoroquinolonate derivatives and pharmaceutical compositions containing them
06/12/1997	WO1997020848A1 Process for the preparation of cephalosporins via reductive dicarbonyl cyclization induced by trialkyl phosphite of 4-thioazetidinone derivatives obtained from penicillins
06/10/1997	US5637721 Process for the preparation of cephem prodrug esters
06/10/1997	US5637694 Preparation and use of 7-[(2-carboalkoxy-1-methylethenyl)amino]-3-hydroxymethyl-3-cephem-4-carboxylic acids
06/10/1997	US5637693 Antibacterial agents
06/10/1997	US5637580 Antimicrobial penem-quinolones

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