Patents
Patents for C07D 499 - Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula: , e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring (3,448)
01/1997
01/03/1997WO1997000259A1 Improved process for producing penicillin g phenyl ester
12/1996
12/31/1996US5589592 Process for preparing β-lactam derivative and synthetic intermediate
12/24/1996US5587474 Method for removing the protecting group for carboxyl group
12/19/1996WO1996040978A1 Electrochemiluminescent monitoring of compounds
12/19/1996WO1996040190A1 Diphosphonate derivatives of therapeutic agents
12/19/1996WO1996040156A1 Diphosphonate derivatives of therapeutic agents
12/19/1996CA2224069A1 Diphosphonate derivatives of therapeutic agents
12/19/1996CA2224067A1 Diphosphonate derivatives of therapeutic agents
12/10/1996US5583216 Reacting a 2-aminothiazole compound with a 7-aminocephemcompound
12/05/1996WO1996038450A1 Cephalosporin antibiotics
12/05/1996WO1996038448A1 β-LACTAM ANTIBIOTICS
11/1996
11/21/1996WO1996036627A1 Collection of activated glycoside compounds and their biological use
11/21/1996CA2221589A1 Collection of activated glycoside compounds and their biological use
11/07/1996WO1996034858A1 Nicotinic acid esters and pharmaceutical compositions containing them
11/07/1996WO1996034855A1 Fatty acid esters as bioactive compounds
11/07/1996WO1996034846A1 1,3-propane diol derivatives as bioactive compounds
10/1996
10/03/1996WO1996030376A1 Process for the recovery of ampicillin
10/01/1996CA1338624C N,n'-carbonyl-bis-(4-ethyl-2,3-dioxo)-piperazine, process for the preparation thereof and use thereof
09/1996
09/24/1996US5559241 Reaction of amoxycillin in alcohol mixture with salt former
09/24/1996US5559232 Anticoagulants
09/19/1996WO1996028422A1 PROCESS FOR THE PRODUCTION OF β-LACTAM COMPOUNDS
09/04/1996EP0730035A1 Improved enzymatic process for producing penicillins and cephalosporins
08/1996
08/29/1996CA2167118A1 Enzymatic process for producing penicillins and cephalosporins
08/22/1996WO1996025417A1 Penem derivatives and antimicrobial agent containing the same
08/22/1996CA2188051A1 Penem derivatives and antibacterial agents containing same
08/08/1996WO1996023797A1 PROCESS FOR THE RECOVERY OF A β-LACTAM ANTIBIOTIC
07/1996
07/30/1996US5541317 Azetidinone compounds useful in the preparation of carbapenem antibiotics and process for preparing carbapenem and penem compounds
07/25/1996WO1996022296A1 Clavulanic acid extraction process
07/23/1996US5538962 Penicillins
07/23/1996CA1338467C Pharmaceutical composition, pharmaceutical granulate and process for their preparation
07/10/1996CN1126466A Nitrato amino acid disulphides for use in the therapy of disorders of the cardiovasculary system
07/03/1996EP0719777A2 N-oxotetrahydro-beta-carbolines
06/1996
06/25/1996US5530116 Antimicrobial quinolonyl lactams
06/11/1996US5525483 By enzymatic reaction with parent amino beta-lactam
05/1996
05/30/1996WO1996016067A1 Silylation process
05/22/1996CN1122807A Prepn. of penicillin G sodium salt and medium crystallization agent
05/08/1996EP0710647A1 Oxidation of organosulphur compounds
04/1996
04/17/1996CN1031571C Deprotection of allylic esters and ethers
04/11/1996DE4435478A1 New quinoline and naphthyridone carboxylic acid derivs.
04/10/1996EP0705244A1 Nitrato amino acid disulphides for use in the therapy of disorders of the cardiovasculary system
04/09/1996US5506225 Antibacterial penem compounds
02/1996
02/20/1996US5492903 Bactericide
02/15/1996WO1996004286A1 Process for making quinolonyl lactam antimicrobials and novel intermediate compounds
02/15/1996WO1996004285A1 6β-SUBSTITUTED PENICILLANIC ACIDS AS β-LACTAMASE INHIBITORS
02/15/1996WO1996004247A1 Process for making antimicrobial compounds
02/15/1996CA2195430A1 6.beta.-substituted penicillanic acids as .beta.-lactamase inhibitors
02/13/1996US5491139 Antimicrobial quinolonyl lactams
01/1996
01/30/1996US5488106 Process for preparing 6-[(isoxazolinyl)methyl]penicillanic acid 1,1-dioxide compounds
01/24/1996EP0693057A1 Process for the preparation of 4-(formylthio)-azetidin-2-one derivatives and penem derivatives
01/03/1996CN1114315A Protected aminothiazolylacetic acid derivatives
01/02/1996US5480880 Penem derivatives
01/02/1996US5480879 Quinolonecarboxylic acids
12/1995
12/21/1995WO1995034566A1 Lactam inhibitors of cholesterol esterase
12/21/1995CA2192984A1 Lactam inhibitors of cholesterol esterase
12/12/1995US5474993 7-oxo-6-amino-4-thia-1-azabicycl(3.2.0) heptanes; anticholesterol agents
11/1995
11/07/1995US5464616 6β-substituted penicillanic acids as beta-lactamase inhibitors
11/02/1995WO1995029182A1 Cephalosporin synthesis
11/02/1995CA2533837A1 Cephalosporin synthesis
10/1995
10/25/1995EP0678095A1 Crystalline penicillin derivative, and its production and use
10/25/1995CN1110686A Extracting and purifying of penicillin
10/12/1995WO1995026966A1 Cephalosporin antibiotics
10/12/1995CA2186894A1 Cephalosporin antibiotics
10/11/1995EP0676236A1 Process for removal of allyl group or allyloxycarbonyl group
10/10/1995US5457193 Hydroxy protecting group removal in penems
10/04/1995EP0675116A1 Protected aminothiazolylacetic acid derivatives
10/01/1995CA2145012A1 Protected aminothiazolylacetic acid derivatives
09/1995
09/06/1995CN1107839A Carbox amide
08/1995
08/23/1995EP0110955B1 Brain-specific drug delivery
08/16/1995EP0666862A1 6-(substituted methylene) penems and intermediates
08/15/1995US5442058 Using an oxidizer and an acid anhydride
08/10/1995DE19503977A1 Verfahren zur Herstellung von Penemen A process for the production of penems
08/09/1995CN1106408A 2-beta-alkenyl penam sulfones as beta-lactamase inhibitors 2-beta-alkenyl-penam-sulfonverbindungen als beta-lactamase-hemmer
07/1995
07/19/1995CN1105353A Modular design and synthesis of oxazolone-derived molecules
07/18/1995US5434147 Antimicrobial quinolonyl lactam esters
07/05/1995EP0660837A1 Penem derivatives, their preparation and pharmaceutical compositions containing them
06/1995
06/28/1995EP0659742A1 An improved method for the preparation of 2-chloro sulfinyl azetidin-4-one
06/20/1995CA1335971C Process for the manufacture of 4-acyloxy-3-hydroxyethy l-azetidinones
05/1995
05/16/1995US5416208 From a B-lactam and oxalyl halide
05/09/1995US5414081 Treating a 1-aza-3-thiabicycloalkane with base and phosphine or phosphite desulfurizing agent, and reacting the product with an active esterifying agent
05/07/1995WO1995012601A1 Crystalline penicillin derivative, and its production and use
04/1995
04/12/1995EP0647630A1 Process for producing 5-arylhydantoins
03/1995
03/21/1995US5399679 (1'R,3S,4R)4-acylthio azetidinones
03/21/1995US5399678 Reacting tetraalkylammonium and sulbactam salts in aqueous solution; extracting into bromo- or iodochloromethane; esterification
03/08/1995EP0641779A1 Novel 1-amidinopiperdines and 4-amidinomorpholines as aggregation inhibitions
03/08/1995CA2130864A1 Carboxamides
03/01/1995EP0640607A1 2-Beta-alkenyl-penem-sulfonyl compounds as beta-lacterase inhibitors
02/1995
02/07/1995US5387748 Antimicrobial dithiocarbamoyl quinolones
01/1995
01/05/1995WO1995000477A1 Nitrato amino acid disulphides for use in the therapy of disorders of the cardiovasculary system
01/03/1995US5378680 Dicarboximides and their use as herbicides
12/1994
12/06/1994CA1333369C 3-propadienyl penicillin derivatives and intermediates
11/1994
11/30/1994CN1095721A Novel compounds
11/15/1994US5364768 Hydrolysis of ester derivatives with enzymes
11/09/1994CN1094728A Process for preparing carbapenen and penem compounds and new compounds involved in that process
11/03/1994DE4313946A1 Novel O-acyl-N-(diacyloxybenzoyl)amoxicillin derivatives, process for their preparation and their use
11/01/1994US5360904 Process for preparing penem esters
10/1994
10/25/1994US5359058 A cephalosporin compound substituted in the 7-position with a (cyclo)alkylideneammonio group
10/25/1994US5359057 Acylation of amines
10/13/1994WO1994022819A1 Process for the preparation of 4-(formylthio)-azetidin-2-one derivatives and penem derivatives
10/12/1994EP0407478B1 Crystalline (5r,6s)-2-carbamoyloxymethyl-6- (1r)-hydroxyethyl]-2-penem-carboxylic acid and its pharmaceutical formulation
10/11/1994US5354884 Optically active N-α-fluoroacryloylamino acid derivatives for the resolution of racemates
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