Patents
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)
01/1988
01/07/1988EP0251330A2 Cephalosporin derivatives, process for their preparation and pharmaceutical compositions containing them
01/07/1988EP0251299A2 Cephalosporin compounds, processes for their preparation and antibacterial agents
01/07/1988EP0250529A1 Benzathine cephalothin, a process for its preparation and compositions containing it
01/06/1988CN87104282A Cephalosporin compounds and processes for preparing the same
01/05/1988US4717768 Adsorption on divinylbenzene-styrene copolymer or acrylic ester polymer
01/05/1988US4717767 7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins
12/1987
12/29/1987US4716227 Salt formation, esterification, acylation
12/29/1987US4716158 7-(2-aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido)-3-methoxymethyl-3-cepham-4-carboxylates
12/23/1987EP0250172A2 Cephalosporin compounds & processes for preparing the same
12/22/1987US4714760 Antibiotics
12/16/1987EP0249170A2 Cephem compounds, their production and use
12/09/1987EP0248645A2 Cephalosporin compounds
12/09/1987EP0248434A1 Thiadiazolylacetamide derivatives, process for the preparation thereof and their use
12/09/1987CN86103606A Alkeneamidocephalosporin esters
12/01/1987CA1229847A1 Process for producing cephalosporins
11/1987
11/24/1987US4709023 Process for the preparation of 7-amino-3-(3-formamidopyridinium)methyl-3-cephem-4-carboxylate, and its use for the synthesis of β-lactam antibiotics
11/24/1987US4708955 3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids and esters thereof
11/19/1987EP0246068A2 Process for the manufacture of cephalosporin derivatives
11/19/1987EP0245619A1 Novel thiazolylacetic acid derivatives and processes for preparing the same
11/11/1987EP0244637A1 Starting compounds for 7-acylamino-3-vinylcephalosporanic acid derivatives and processes for their preparation
11/10/1987US4705852 1-oxadethia cephalosporin hydroxamic acid derivatives
11/10/1987US4705851 Process for the preparation of 3-phosphoniummethyl-3-cephem compounds
11/10/1987US4705784 Cephem compounds
11/03/1987CA1228851A1 Crystalline ceftazidime salts
11/03/1987CA1228850A1 Cephalosporin derivatives and a process for their preparation
10/1987
10/27/1987US4703046 Cephem compounds and processes for preparation thereof
10/22/1987WO1987006232A1 1-carboxy-1-vyniloxyiminoaminothiazole cephalosporing derivatives and process for their preparation
10/21/1987EP0242153A2 Cephalosporin intermediate
10/21/1987EP0241901A2 Cephalosporin derivatives, processes for their preparation and antibacterial agents
10/20/1987US4701556 Substituted cyanamide compounds useful for the manufacture of cephalosporin derivatives
10/20/1987US4701452 Stimulants; antibiotics
10/13/1987US4699981 Antibacterial agents
10/13/1987US4699980 Antibiotic intermediates
10/13/1987US4699979 7-amino-3-propenylcephalosporanic acid and esters thereof
10/13/1987US4699904 Tetrazolyl derivatives of β-lactams useful as elastase inhibitors
10/06/1987US4698338 7[2-(2-aminothiazol-4-yl)-2-benzyloximino]acetamido-3[4-alkyl-5-oxo-6-hydroxy-3,4-dihydro-1,2,4-triazin-3-yl]thiomethyl cephalosporins
10/06/1987US4698337 Cephem compounds and processes for preparation thereof
10/06/1987US4698336 Cephalosporin antibiotics
09/1987
09/30/1987CN87101581A Method for producing cephalosporin compounds
09/23/1987EP0238061A2 Cephalosporin derivatives, processes for their preparation and antibacterial agents
09/23/1987EP0238060A2 Cephalosporin derivatives, processes for their preparation and antibacterial agents
09/23/1987EP0237735A2 3,7-Disubstituted-3-cephem compounds and process for production of the same
09/22/1987US4695639 Thiazole derivatives
09/22/1987US4695627 Cephalosporin deoxygenation process
09/22/1987US4695565 Antibacterial 7β-heterocyclic-cephem
09/15/1987US4694079 Crystalline dimethylformamide solvate
09/15/1987US4694001 β-lactam compound and a pharmaceutical composition containing the same
09/11/1987WO1987005297A1 Cephalosporin derivatives
09/09/1987EP0236231A2 Novel cephem compounds
09/09/1987CN87100321A Method of producing cephem compounds
09/08/1987US4692519 Bactericide
09/08/1987US4692518 Ceftazidime intermediate
09/08/1987US4692517 Gramnegative bacteria
09/08/1987US4692516 Process for the manufacture of 3-pyridinium-methyl-cephalosporins
09/02/1987EP0234549A2 Method for production of cephalosporin compounds
09/01/1987USRE32491 Process for the preparation of 7α-methoxy-7β-(1,3-diethietane-2-carboxyamido)cephalosporanic acid derivatives
09/01/1987US4691014 Cephalosporin compounds
09/01/1987US4690921 Bactericides
09/01/1987US4690920 Derivative of cephalosporanic acid and pharmaceutical composition comprising the same
08/1987
08/26/1987EP0233780A2 O-substituted oximino cephalosporins
08/26/1987EP0233271A1 Process for preparing cephalosporin intermediates.
08/26/1987EP0233255A1 Conversion of cephalosporin hydrohalide salt to alkali metal salt.
08/26/1987CN87100860A Process for manufacture of carboxylic acid amides
08/25/1987US4689411 Antibiotics
08/25/1987CA1225954A1 Process for the preparation of cephem compounds
08/19/1987CN86108415A Isoindole derivative and method for preparing same
08/18/1987US4687769 3-(3,3,3-trifluoropropenyl) cephalosporins
08/13/1987WO1987001117A3 Conversion of cephalosporin hydrohalide salt to alkali metal salt
08/12/1987EP0231845A2 Process for the preparation of carboxylic-acid amides
08/12/1987EP0231475A1 Process for preparing intermediate products and their use for preparing cephem compounds
08/11/1987US4686216 7-[2-(2-aminothiazol-4-yl)-2-oximino-acetamido-3-quaternary-ammonium-methyl-3-cephem-4-carboxylates
08/11/1987CA1225391A1 Process for producing a cephalosporin, an intermediate for the cephalosporin and a process for producing the intermediate
08/11/1987CA1225390A1 3-bicyclicpyridinium-methyl cephalosporins
08/05/1987EP0230972A2 Method of producing cephem compounds
08/05/1987CN86107949A New cephalosporin derivatives and antibiotics containing the same
08/04/1987US4684728 Solubilizing biologically active compounds with reactive hydrogen atoms
08/04/1987US4684664 Derivatives of β-(4-isocyano-1,2,3,4-diepoxycyclopentyl) acrylic acid
08/04/1987US4684642 7-Hydroxyaminocephalosporin antibiotics
08/04/1987US4684641 7-hydroxyaminocephalosporin antibiotics
08/04/1987US4684639 Antibiotics
08/04/1987CA1225084A2 Substituted vinyl cephalosporins
07/1987
07/28/1987US4683227 Antibiotic derivatives of 7β-[2-(thiazol-4-yl)acetamide]-3-chloro-3-cephem-4-carboxylic acids and compositions and method of use thereof
07/21/1987US4681877 Antibiotic, bactericide
07/21/1987CA1224458A1 Process for the preparation of cephem compounds
07/21/1987CA1224457A1 Process for the preparation of cephem compounds
07/15/1987EP0228906A2 Cephalosporin derivatives
07/15/1987CN86106602A Novel cephalosporin derivatives, processes for their preparation and pharmaceutical compositions containing them
07/14/1987US4680408 Acyl derivatives
07/14/1987US4680390 Esters of 7-[2-(2-aminothiazol-4-yl)-2-(syn)-methoxyiminoacetamido]-3-methyl-ceph-3-em-4-carboxylic acid
07/14/1987US4680389 Temperature stable crystalline di(1-methyl-2-pyrralidinone) and di(N-formylpyrrolidine) adducts of cephalosporin derivatives
07/08/1987EP0228061A2 Cephem compounds
07/08/1987EP0227986A1 Isoindoline derivatives and processes for their preparation
07/08/1987EP0227953A2 New cephalosporin derivatives and antibiotics containing the same
07/08/1987CN86107927A Esters of cefuroxime
07/07/1987US4678781 Bactericidal antibiotics
07/02/1987WO1987003876A1 Benzathine cephalothin, a process for its preparation and compositions containing it
07/02/1987WO1987003875A1 Cephalosporin derivatives
06/1987
06/30/1987US4677100 Cephalosporin derivatives
06/24/1987EP0226093A2 Process for the preparation of cefodizime
06/23/1987US4675398 For antibiotics
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