Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › 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)
09/1982
09/28/1982CA1132537A1 Process for the preparation of novel oxime derivatives of 3-thiadiazolyl-thiomethyl 7-aminothiazolyl-acetamido-cephalosporanic acid
09/22/1982EP0060745A2 Antibiotic derivatives from cephalosporins
09/22/1982EP0060422A2 Method for improving intestinal absorption of cephalosporin derivatives
09/22/1982EP0060301A1 Process for preparing cephalosporin compounds
09/21/1982US4350693 Bactericides
09/21/1982US4350692 3,7-Disubstituted-3-cephem-4-carboxylic acids
09/15/1982EP0060144A2 Cephalosporin antibiotics
09/15/1982EP0060028A1 Cephalosporin derivatives and process for their preparation
09/14/1982US4349672 Cephalosporin derivatives
09/14/1982CA1131620A2 Penicillins and cephalosporins
09/14/1982CA1131618A1 Cephalosporin compounds
09/14/1982CA1131617A1 Cephalosporin derivatives
09/08/1982EP0059683A2 7-Acylamido-3-cephem-4-carboxylic acids, process for their preparation, pharmaceutical compositions containing them and their use
09/08/1982EP0059486A1 New starting compounds for preparing cephem compounds and processes for their preparation
09/07/1982US4348518 Cephalosporins
09/07/1982CA1131216A1 Cephalosporin antibiotics
08/1982
08/31/1982US4347359 1,2,4-Triazines
08/31/1982US4347358 Bromo-substituted deacetoxycephalosporins
08/25/1982EP0058250A2 Cephalosporin derivatives, their preparation and pharmaceutical compositions containing them
08/24/1982US4346219 Process for preparing desacetoxycephalosporanic acid
08/24/1982US4346218 Cyclization process to form cephem ring
08/24/1982US4346076 Bis-tetrazoylmethyl substituted cephalosporin antibiotics
08/24/1982CA1130280A1 Cephalosporin compounds
08/24/1982CA1130279A1 Cephalosporin antibiotics
08/24/1982CA1130278A1 Production of cephalosporins
08/17/1982US4344944 7-α-methoxycephalosporin derivatives, and antibacterial drugs onctaining the same
08/11/1982EP0057422A2 New cephem compounds, processes for preparation thereof and pharmaceutical composition containing them
08/10/1982US4343938 7-[Dα-(Coumarin-3-carboxamido)arylacetamido]-cephalosporanic acids or salts
08/10/1982US4343937 3-Substituted-7-methoxy-7-amino-3-cephem-4-carboxylic acids
08/10/1982CA1129408A1 Cephalosporin antibiotics
08/03/1982US4342869 Cephalosporin antibiotics
08/03/1982US4342760 Cephalosporin analogues
08/03/1982US4342758 Acetamidocephem compounds
08/03/1982US4342757 Cephalosporin antibiotic compositions
08/03/1982CA1128957A2 .alpha.-PROTECTED OXYIMINO-.beta.-OXO-.gamma.-HALOGENOBUTYRIC ACID DERIVATIVES
08/03/1982CA1128931A1 Process for the preparation of cyano acetamide derivatives
07/1982
07/27/1982US4341777 Cephalosporin antibiotic
07/27/1982US4341776 Cephalosporin derivatives
07/27/1982US4341775 Cephem compounds
07/27/1982CA1128499A1 Crystalline salt of cephalosporin derivative
07/20/1982US4340672 Enzymatic synthesis of β-lactam antibacterials
07/14/1982EP0055991A2 Lysosomotropic detergent therapeutic agents, compositions containing them and their uses
07/14/1982EP0055870A1 Pyridylmethyl esters of selected bio-affecting carboxylic acids, process for preparing and pharmaceutical composition comprising the same
07/13/1982US4339575 Purification, cyclization with aldehyde or ketone, crystallization, hydrolysis
07/13/1982CA1127633A1 Cephalosporin antibiotics
07/13/1982CA1127632A1 3-unsubstituted-3-cephem compounds
07/07/1982EP0055562A2 Cephalosporin derivatives
07/07/1982EP0055466A2 Cephem compounds, processes for their preparation, pharmaceutical compositions containing them and their starting compounds
07/07/1982EP0055465A2 7-Acylaminocephalosporanic acid derivatives and processes for the preparation thereof
07/06/1982US4338461 Process for producing D-2-amino-2-(1,4-cyclohexadienyl)acetic acid
07/06/1982US4338439 7-[2-[(Substituted benzoyl]amino]acetamido]cephalosporins
07/06/1982US4338438 Cephalosporin antibiotics
07/06/1982US4338437 Cephalosporin antibiotics
07/06/1982US4338436 Antibiotics
07/06/1982US4338434 Antibiotics and animal feed supplements
07/06/1982US4338313 Cephem compounds
07/06/1982CA1127150A1 Process for the recovery of cephaloridine from aqueous solutions in which it is made
07/06/1982CA1127149A1 Cephalosporins
06/1982
06/30/1982EP0055217A2 Process for the preparation of derivatives of 7-beta-substituted 3-cephem-4-carboxylic acids not substituted in position 3
06/30/1982EP0055137A2 Method for concentrating beta-lactam antibiotic solution
06/30/1982EP0054970A2 Derivatives of 7-beta-(ketoximinoacylamido)-ceph-3-em-4-carboxylic acids, process for their preparation and their pharmaceutical compositions containing them
06/30/1982EP0054677A2 Cephalosporins, process for their preparation and pharmaceutical compositions containing them
06/30/1982EP0054578A1 N-(substituted chromone-3-carbonyl)-phenylglycine derivatives
06/23/1982EP0054512A2 Cephalosporin esters, process for their preparation and pharmaceutical compositions containing them
06/22/1982US4336376 Process for the preparation of 7-(D(-)-alpha-amino-p-hydroxyphenylacetamido)desacetoxycephalosporanic acid
06/22/1982US4336375 Cephalosporanic acid derivatives
06/22/1982US4336253 Cephalosporin antibiotics
06/22/1982CA1126260A1 Penicillins and cephalosporins
06/22/1982CA1126259A1 7-(2- substituted benzoyl) amino acetamido cephalosporins
06/22/1982CA1126258A1 Penicillins and cephalosporins
06/16/1982EP0053962A1 Cephalosporin derivatives and their preparation
06/16/1982EP0053961A1 Thiovinyl-3-cephalosporin derivatives, their preparation and pharmaceutical compositions containing them
06/16/1982EP0053919A2 Cephamycin C derivative and its preparation
06/15/1982CA1125745A1 PROCESS FOR PREPARING .beta.-LACTAM ANTIBIOTICS
06/09/1982EP0053542A1 Cephalosporin derivatives, their preparation and pharmaceutical compositions containing them
06/09/1982EP0053541A1 Oxacephalosporins and their preparation
06/09/1982EP0053540A1 Cephalosporin derivatives and their preparation
06/09/1982EP0053539A1 Cephalosporin derivatives, process for their preparation and pharmaceutical compositions containing them
06/09/1982EP0053538A2 Vinyl-3 cephalosporin derivatives and their preparation
06/09/1982EP0053537A1 Vinyl-3 cephalosporin derivatives and their preparation
06/09/1982EP0053276A2 Cephalosporins, process for their preparation and pharmaceutical compositions containing them
06/08/1982US4334079 By esterification of a salt of a phenylacetic acid using a phase t
06/08/1982US4334065 Cephalosporin intermediates
06/08/1982US4334064 Cephalosporin vinyl halides
06/08/1982US4334063 Cephalosporin vinyl halides
06/08/1982US4334062 Bactericides
06/08/1982CA1125280A1 Process for the preparation of novel oxime derivatives of 3-acetoxymethyl 7-amino-thiazolyl-acetamido-cephalosporanic acid
06/02/1982EP0053077A2 Salts of 7-aminocephalosporanic acids, soluble in organic solvents and their use in the preparation of cephalosporins
06/02/1982EP0053074A1 Cephalosporin derivatives and their preparation
06/02/1982EP0053073A1 Oxacephalosporins and their preparation
06/02/1982EP0053072A1 Oxacephalosporins and their preparation
06/02/1982EP0053071A1 Oxacephalosporins, their preparation and therapeutic agents containing them
06/01/1982US4332891 Culture of streptomyces
06/01/1982US4332800 Bactericides containing 7-aminothiadiazole groups
06/01/1982US4332798 7-Amino-thia-diazole oxyimino derivatives of cephem and cephem compounds
06/01/1982US4332722 Bicyclic azetidinothiazolines
05/1982
05/25/1982US4331666 Bactericidal cephalosporin antibiotics
05/25/1982US4331665 Cephem and cepham compounds
05/25/1982US4331664 Bacteriostats
05/25/1982US4331606 N-(Substituted chromone-3-carbonyl)-phenylglycine derivatives
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