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)
05/1982
05/25/1982CA1124232A1 Process for the preparation of compositions prepared from 7-amino-thiazolyl-acetamido- cephalosporanic acid
05/19/1982EP0051824A2 Improvement in the method for producing 7-aminocephem compounds
05/18/1982CA1123840A2 Tetrazole derivatives
05/18/1982CA1123824A1 Oximes derivatives of the 7-amino-thiazolyl-acetamido- cephalosporanic acid, preparation process and use as a drug
05/12/1982EP0051457A2 Process for preparation of substituted benzyl esters
05/12/1982EP0051278A1 Soft tertiary amine esters of bio-affecting carboxylic acids, processes for preparing and a pharmaceutical composition containing the same
05/11/1982US4329454 Cephalosporin compounds
05/11/1982US4329453 Cephalosporin antibiotic
05/04/1982US4328225 Antibiotic
05/04/1982US4328224 Cephalosporin derivatives
05/04/1982CA1122974A1 Process for crystalline sodium cefamandole
05/04/1982CA1122973A1 Cephalosporin antibiotics
05/04/1982CA1122972A1 Cephalosporin compounds
04/1982
04/27/1982US4327211 Method for preparation of cephalosporin compounds
04/27/1982US4327210 Thiazolylacelamide cephalosporins
04/27/1982US4327093 3,7-Disubstituted-2 or 3-cephem-4-carboxylic acid compounds
04/27/1982CA1122593A1 .beta.-LACTAM COMPOUNDS, THEIR PRODUCTION AND THEIR MEDICINAL USE
04/21/1982EP0049928A2 Water soluble derivatives of cephalexin and process for their preparation
04/21/1982EP0049855A2 Cephalosporin derivatives, process for their preparation, pharmaceutical compositions containing them and intermediates for their preparation
04/21/1982EP0049814A2 Cephalosporin derivatives, process for their preparation and pharmaceutical compositions containing them
04/20/1982US4326071 Halomethyl derivatives of gamma-aminobutyric acid and related compounds
04/14/1982EP0049539A1 Thiazole derivatives for preparing cephem compounds and processes for their preparation
04/14/1982EP0049499A2 Cephalosporin derivatives, process for their preparation, pharmaceutical compositions containing them and intermediates for their preparation
04/14/1982EP0049448A2 Beta-lactam antibiotics, process for their preparation and compositions containing them
04/14/1982EP0049309A1 Cephem derivatives, process for producing thereof, and antibacterial agents comprising said compounds
04/14/1982EP0049308A1 Chromone derivatives
04/13/1982US4324892 7-(N-Substituted-2-phenylglycinamido)-3-substituted-3-cephem-4-carboxylic acid compounds
04/13/1982US4324891 Using tert-butyl hypochlorite and lithium methoxide
04/13/1982US4324890 Cephalosporin intermediates
04/13/1982CA1121809A1 7.beta.-[(2-AMINO-1,2-DIOXOETHYL)AMINO]ACYL CEPHALOSPORIN DERIVATIVES
04/07/1982EP0049119A2 Cephalosporin derivatives, a process for their preparation and compositions containing them
04/07/1982EP0049118A2 Cephalosporin derivatives, their preparation and compositions containing them
04/07/1982EP0048954A2 Beta-lactam compounds, process for the preparation thereof and intermediate products for the preparation thereof
04/07/1982EP0048944A1 An antimicrobial preparation
04/07/1982EP0048915A2 New cephem compounds, processes for preparation thereof and pharmaceutical composition comprising the same
04/06/1982US4323676 Process for preparing cephalosporins
04/06/1982CA1121375A1 Derivatives of amines and amino acids
04/06/1982CA1121343A1 Preparation process of a crystalline form of the sodium salt of an oximine derivative of the 7-amino-thiazolyl-acetamino-cephalosporanic acid
04/01/1982WO1982001004A1 Process for preparing cephalosporin compounds
03/1982
03/31/1982EP0048504A2 Intermediate compounds for preparing cephem compounds; processes for their preparation and processes for preparing cephem compounds
03/30/1982US4322526 Protecting the free amino of a cephalosporin c by reacting with a vinyl ether; deacylation; by-product inhibition
03/30/1982US4322347 2-Carbamoyloxymethyl-penicillin derivatives
03/30/1982CA1120924A1 7-.alpha.-OXYIMINOACYLCEPHALOSPORINS
03/30/1982CA1120923A1 Cephalosporanic acid derivatives and processes for the preparation thereof
03/24/1982EP0048169A2 Bis-tetrazoylmethyl substituted cephalosporin antibiotics, their preparation and pharmaceutical formulations containing them
03/24/1982EP0048168A2 7-Acylamino cephalosporin compounds, their preparation and pharmaceutical formulations containing them
03/24/1982EP0047977A2 Cephalosporin derivatives, process for their preparation, pharmaceutical compositions containing them and their use
03/23/1982US4321265 7α-Methoxycephalosporins
03/23/1982CA1120466A1 Cephalosporins
03/17/1982EP0047560A2 Process for the preparation of 7-acylamino-3-(thio-substituted)methyl-3-cephem-4-carboxylic acid 1-oxide derivatives
03/17/1982EP0047491A2 New cephem compounds and processes for preparation thereof
03/16/1982US4320133 Penicillins and their antibacterial use
03/16/1982CA1120041A1 .alpha.-HALOMETHYL DERIVATIVES OF AMINO ACIDS
03/10/1982EP0047014A2 Novel thioesters and process for the preparation of the same
03/10/1982EP0046964A2 New cephem compounds and processes for preparation thereof
03/09/1982US4319028 7-(2-(Substituted benzoyl)amino)acetamido)cephalosporins
03/09/1982US4319027 Process for the manufacture of ceohem enol derivatives
03/09/1982CA1119586A1 Process for producing 7-(substituted)amino-3- substituted thiomethyl cephem carboxylic acids
03/03/1982EP0046734A2 Aminohydroxyphenyl derivatives of cephalosporins, process for their preparation and pharmaceutical compositions containing them
03/02/1982US4317907 Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids
03/02/1982US4317820 β-Lactam series compound and antibacterial pharmaceutical composition containing the same
02/1982
02/23/1982US4316898 As antibiotics
02/17/1982EP0045937A2 New cephem compounds and processes for preparation thereof
02/16/1982US4316024 Dioxo piperazine compounds
02/16/1982US4316019 Preparation of syn-isomer of 3-alkanoyloxymethyl-7-(2-alkoxyimino-2-thiazolylacetamido-3-cephem-4-carboxylic acid compounds
02/16/1982US4316018 Crystallized cephalosporin salts
02/16/1982US4316017 Cephalosporin intermediates
02/16/1982US4316016 Cephalosporin intermediates
02/16/1982CA1118413A1 PROCESS FOR THE PREPARATION OF 7.alpha.-METHOXY- CEPHALOSPORANIC ACID DERIVATIVES
02/16/1982CA1118412A1 Method for producing amidinopenicillanoyloxyalkyl cephalosporanates
02/10/1982EP0045717A2 New cephalosporin derivatives, their production and their use
02/10/1982EP0045525A2 Cephalosporin derivatives and process for their preparation
02/09/1982US4315095 α-Halomethyl derivatives of amino acids
02/09/1982US4315005 Cephalosporin antibiotics
02/09/1982US4314942 Deprotection of allylic esters, carbonates and carbamates catalyzed by palladium compounds
02/03/1982EP0044992A1 Lactams, process for their preparation and pharmaceutical compositions containing them
02/02/1982US4314059 Process for preparing cephalosporin compounds
02/02/1982US4313945 7-Thiazolyl-acetamido-cephem derivatives with terminal aminocarboxylic acid grouping
02/02/1982CA1117522A1 Cephalosporin esters
01/1982
01/26/1982US4312986 Process for producing 7-(substituted)amino-3-substituted thiomethyl-Δ3 -cephem-4-carboxylic acids
01/26/1982US4312982 Bactericides
01/26/1982CA1117104A1 2-lower alkyl-7-substituted-2 or 3-cephem-4-carboxylic acid compounds and processes for the preparation thereof
01/20/1982EP0044238A1 Cephalosporin sulfoxides, process for their preparation and pharmaceutical compositions containing them
01/20/1982EP0044090A2 Lysosomotropic detergent therapeutic agents, compositions containing them and their uses
01/19/1982US4311842 Cephalosporin compounds
01/19/1982US4311837 Certain heterocyclic thiomethyl derivatives of 7-(dihalogenated phenylthioacetamido)cephalosporanic acids useful in the treatment of infections caused by _Streptococcus faecalis
01/19/1982US4311699 Aminoacid derivatives of cephalosporin compounds
01/19/1982US4311698 Aminoacid derivatives of cephalosporin compounds
01/13/1982EP0043756A1 1,2,4-Triazinylthiomethyl-3-cephem sulfoxides, process for their preparation and pharmaceutical compositions containing them
01/13/1982EP0043713A1 Antibacterial cephalosporins
01/13/1982EP0043630A2 Improved process for the silylation of organic compounds with 1,1,1-trimethyl-N-(trimethylsilyl)silanamine by means of catalysis with certain nitrogen containing compounds
01/13/1982EP0043546A2 7-Oxo-cephalosporins and 6-oxo-penicillins, their analogues and process for their preparation
01/12/1982US4310459 Process for producing carbamoyl substituted penams and carbamoyl substituted cephams from penicillin sulfoxide esters
01/05/1982US4309354 Chromone derivatives
01/05/1982CA1115692A2 Oxygen analogs of cephalosporins
12/1981
12/29/1981US4308381 Cephem compounds
12/29/1981US4308380 2-Lower alkyl-2 or 3-cephem-4-carboxylic acid derivatives
12/29/1981US4308267 7-[2-Alkoxyimino-2-(amino-thiazole)acetamido]-3-[1-(sulfaminoalkly)tetrazolthiomethyl]cephalosporins
12/29/1981CA1115268A1 PROCESS FOR THE PREPARATION OF CRYSTALLINE MONOHYDRATE OF 7-¬D-.alpha.-AMINO-.alpha.-(P- HYDROXYPHENYL)ACETAMIDO|-3-METHYL-3-CEPHEM-4- CARBOXYLIC ACID
12/29/1981CA1115267A1 7-(2-alkyloxyimino-2-furylacetamido)-3-(1- carboxyalkyltetrazolyl-5-thiomethyl)-3-cephem-4- carboxylic acid)
1 ... 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 ... 76