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)
12/1984
12/12/1984EP0128037A1 Beta-lactamase inhibiting 6-(alkoxyaminomethyl)penicillanic acid 1,1-dioxide and derivatives
12/12/1984EP0128029A2 Cephalosporin ester derivatives, their production and use
12/12/1984EP0127847A1 7-Oxo-4-thia-1-azabicyclo(3.2.0)hept-2-ene derivatives
12/11/1984CA1179327A1 2-penem compounds and a method for preparing them
12/04/1984CA1178948A1 Sparingly water-soluble salts of penicillanic acid 1, 1-dioxide
12/04/1984CA1178947A1 .beta.-LACTAM COMPOUNDS AND PROCESS FOR THEIR PREPARATION
12/04/1984CA1178946A1 .beta.-LACTAM ANTIBIOTICS, PROCESSES FOR THEIR PREPARATION AND AGENTS CONTAINING THEM
11/1984
11/28/1984EP0126587A1 Carboxylic thio-pyrrolidinyl beta-lactam compounds and production thereof
11/28/1984EP0126351A1 Process for the isolation and purification of antibiotics
11/28/1984EP0126090A1 Beta-lactam compounds, preparation and use
11/27/1984US4485110 β-Lactam compounds, and use
11/27/1984CA1178609A1 Fluoromethylthioacetic acid compounds
11/27/1984CA1178575A1 Bis-esters of methanediol with acetonides of ampicillin or amoxicillin and penicillanic acid 1,1- dioxide
11/27/1984CA1178574A1 Method for producing chemical compounds
11/21/1984EP0125542A1 Process for preparing hydrochlorides
11/20/1984CA1178272A1 Penicillin derivatives
11/14/1984EP0125208A1 Amino-lower-alkyl-penem derivatives, process for their preparation, pharmaceutical compositions containing them and their use
11/14/1984EP0125207A1 2-Tetrazolylpropyl-2-penem derivatives, process for their preparation, pharmaceutical compositions containing them and their use
11/13/1984US4482565 β-Lactam-containing antibacterial agents and β-lactamase inhibitors
11/06/1984US4481210 Method of treatment
11/06/1984US4481209 Penicillin salt
10/1984
10/31/1984EP0123650A1 Penems, pharmaceutical compositions containing them, and process for their preparation
10/30/1984US4479947 With cefoxitin, fosfomycin, methyldopa, monobactamic acid,and penemcarboxylic acid
10/30/1984CA1177068A1 Process for preparing esters of penicillanic acid sulfone
10/30/1984CA1177067A1 METHOD FOR CONCENTRATING .beta.-LACTAM ANTIBIOTIC SOLUTION
10/24/1984EP0122585A2 Crystalline form of ceftazidim
10/23/1984US4478748 Bactericides
10/16/1984CA1176242A1 Bis-esters of alkanediols as antibacterial agents
10/16/1984CA1176241A1 Process for the preparation of 7-acylamino-3-(thio- substituted)methyl-3-cephem-4-carboxylic acid 1- oxide derivatives
10/10/1984EP0121502A1 Novel penem compounds, pharmaceutical compositions containing them, processes for their preparation
10/10/1984EP0121383A1 Bis-esters of dicarboxylic acids with amoxicillin and certain hydroxymethylpenicillanate 1,1-dioxides
10/09/1984CA1175809A2 2.beta.-CHLOROMETHYL-2.alpha.-METHYLPENAM-3.alpha.-CARBOXYLIC ACID SULFONE AND SALTS AND ESTERS THEREOF
10/09/1984CA1175808A2 2.beta.-CHLOROMETHYL-2.alpha.-METHYLPENOM-3.alpha.-CARBOXYLIC ACID SULFONE DERIVATIVES
10/09/1984CA1175807A1 2.beta.-CHLOROMETHYL-2.alpha.-METHYLPENAM-3.alpha.-CARBOXYLIC ACID SULFONE
10/03/1984EP0120613A1 Penem derivatives and precursors
10/02/1984US4474793 7-Oxo-4-thia-1-aza[3,2,0]heptane and 7-oxo-4-thia-1-aza[3,2,0]hept-2-ene derivatives
10/02/1984US4474698 Process for preparing esters of penicillanic acid sulfone
09/1984
09/19/1984EP0118875A1 6-(Hydroxyalkyl)-2-(heteroarylalkylthio)-penems, pharmaceutical compositions containing them, and processes for their preparation
08/1984
08/28/1984US4468394 Cephalosporin compounds
08/28/1984US4468351 Process for debromination of dibromopenicillanic acid and derivatives
08/28/1984CA1173435A1 Cephalosporine compounds with antibiotic activity
08/21/1984US4467101 Compounds with terminal aminocarboxylic acid grouping
08/15/1984EP0115969A1 Penem compounds, their preparation , formulations containing the same and their use in combating bacteria
08/14/1984US4465631 5-Substituted-3-isoxazolecarboxylic acid derivatives
08/08/1984EP0115405A2 Process for the preparation of beta-lactam compounds
08/08/1984EP0115308A2 2-Unsaturated alkylthio-pen-2-em-3-carboxylic acids and process for preparing substituted 2-thioxopenams and 2-substituted thiopenems
08/07/1984US4464237 Process for preparing β-lactam derivatives
08/02/1984WO1984002911A1 beta-LACTAM ANTIBACTERIAL AGENTS
08/01/1984EP0114752A2 Beta-lactam antibacterial agents
07/1984
07/31/1984US4463010 1-Aza-[3.2.0]-bicycloheptane-2-carboxylic acid, ester or salt thereof
07/31/1984US4462934 Bis-esters of dicarboxylic acids with amoxicillin and certain hydroxymethylpenicillanate 1,1-dioxides
07/31/1984CA1171849A1 Penicillanoyloxymethyl penicillanate 1,1,1',1'- tetraoxide
07/24/1984US4461727 4-Acylthioazetidinone intermediates for antibacterial agents
07/24/1984CA1171415A1 Carbapenams and carbapen-2-ems and process therefor
07/24/1984CA1171407A1 Process for the manufacture of 6-aminopenicillanic derivatives
07/24/1984CA1171406A1 Pure 6,6-diiodopenicillanic acid and process for its preparation
07/10/1984CA1170571A1 Pharmaceutical compositions
07/03/1984US4457924 1,1-Alkanediol dicarboxylate linked antibacterial agents
06/1984
06/27/1984EP0112283A1 Heterocyclyl-thio compounds, process for their preparation, pharmaceutical compositions containing them and their use
06/27/1984EP0112087A1 Process and intermediates for sultamicillin and analogs
06/27/1984EP0112049A1 Process for the preparation of beta-lactam compounds
06/26/1984US4456609 Bactericide
06/19/1984US4455314 Penicillin derivatives
06/19/1984US4455306 Method for concentrating β-lactam antibiotic solution
06/13/1984EP0110826A1 6-Hydroxy lower alkyl penem compounds, process for their preparation, pharmaceutical compositions containing them and their use
06/13/1984EP0110280A1 Process for the production of penem compounds
06/12/1984US4454128 6α-Methoxy-penicillins
06/05/1984US4452796 Antibiotics
05/1984
05/30/1984EP0109818A2 Process for the preparation of penicillin and cephalosporin sulfones
05/29/1984US4451399 Imidazolecarboxylic acid derivatives
05/29/1984CA1168251A1 1,3-dioxolen-2-one derivatives and process for production thereof
05/23/1984EP0109362A1 Hetereocyclic compounds, process for their preparation, pharmaceutical compositions containing them and their use
05/23/1984EP0109044A1 Penems, pharmaceutical compositions containing them, process for preparing them
05/16/1984EP0108547A2 Process for the preparation of the 1'-ethoxycarbonyloxyethyl ester of benzylpenicillin
05/16/1984EP0108545A1 Process and intermediates for preparation of 1,1-dioxopenicillanoyloxymethyl 6-beta-aminopenicillanate
05/16/1984EP0108295A1 Oral dosage form
05/15/1984US4448782 Bactericides
05/15/1984US4448769 Ester of 1,1-dioxopenicillanic acid, and use thereof as β-lactamase inhibitor
05/15/1984US4448732 2-Oxo-1,3-dioxol-4-ylmethyl esters of penicillanic acid 1,1-dioxide
05/10/1984WO1984001776A1 Beta-lactam compounds, preparation and use
05/09/1984EP0108034A2 Deacylation of amides
05/08/1984US4447602 Bactericides
05/08/1984US4447422 Penicillins and compositions containing them
05/08/1984US4447360 Intermediates for thia-aza compounds with a β-lactam ring
05/01/1984US4446144 Pivampicillin or bacampicillin salt of 6-halo derivatives
05/01/1984US4446069 Process for the preparation of β-lactam antibiotics
05/01/1984CA1166640A1 2-oxoazetidine derivatives and production thereof
04/1984
04/24/1984US4444687 Beta-lactamase inhibitors
04/24/1984US4444686 Crystalline penicillin ester intermediate
04/24/1984US4444685 Stereospecific synthesis of thienamycin from penicillin
04/17/1984US4443463 (5R,6S,8R)-6-(1-Hydroxyethyl)-2-(hydroxyalkylthio)-penem-3-carboxylates
04/17/1984US4443373 Process for the production of antibiotic penems
04/10/1984US4442029 Peptide synthesis using an isonitrile as activator
03/1984
03/27/1984US4439363 Acetylmethyl ester of hetacyllin and/or salts of this ester
03/27/1984CA1164460A1 Beta-lactam compounds and process for production thereof
03/20/1984US4438265 Esters of 7-sulfenyliminocephem-4-carboxylic acids
03/20/1984CA1163924A2 DERIVATIVES OF 6.beta.-HYDROXYALKYLPENICILLANIC ACIDS AS .beta.-LACTAMASE INHIBITORS
03/13/1984US4436661 3-Substituted bicyclic azetidinone derivatives
03/07/1984EP0102226A1 Bis-esters of 4,5-di(hydroxymethyl)-2-oxo-1,3-dioxole as antibacterial agents
03/06/1984US4435413 Antibacterial
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