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)
04/1980
04/15/1980US4198339 1,3-Dithietane-2-carboxylic acids and the preparation thereof
04/15/1980CA1075679A1 3-heterothio-7-thioureido cephalosporins
04/08/1980US4197298 [3-Heterocyclic-7-(2-methoxyimino-2-aminothiazolyl) acetamido]cephalosporins
04/08/1980CA1075229A1 Reduction process for sulfoxides
04/02/1980EP0009363A1 Method of separating cephalosporins
04/01/1980US4196285 Cephamycin c subjected to an ion exchange resin
04/01/1980US4196205 Antibiotics, bactericides
04/01/1980CA1074784A1 N-ACYLAMINO-.alpha.-ARYLACETAMIDO CEPHALOSPORINS
04/01/1980CA1074783A1 Azidomethylanyl substituted cephalosporin derivatives
04/01/1980CA1074782A1 Amino-substituted cephalosporins
03/1980
03/25/1980CA1074299A1 7-amino-.delta.-3-cephem-4-carboxylic acid esters and process for their manufacture
03/25/1980CA1074298A1 3-heterothio-7-ureido cephalosporins
03/25/1980CA1074297A1 Cephalosporins
03/25/1980CA1074296A1 3-acyloxymethylcephem compounds
03/25/1980CA1074295A1 Derivatives of penam-3-carboxylic acid and cephem-4-carboxylic acid and processes for their manufacture
03/19/1980EP0009008A2 Cephalosporin derivatives, process for their preparation and pharmaceutical compositions containing them
03/18/1980CA1073901A1 Cephalosporins
03/18/1980CA1073900A1 Thiocarbamatemethyl-substituted cephalosporin derivatives
03/18/1980CA1073899A1 Process for preparing 3-acyloxymethyl-2-cephem compounds
03/06/1980WO1980000337A1 Process for preparing carboxylic acid amides
03/05/1980EP0008442A2 2-Lower alkyl-7-substituted-2 or 3-cephem-4-carboxylic acid compounds, processes for their preparation and pharmaceutical compositions containing them
03/05/1980EP0008372A1 Easily hydrolysable esters and ethers of cephalosporines, their preparation and pharmaceutical compositions containing them
03/05/1980EP0008343A1 Cephalosporin derivatives, processes for their preparation and pharmaceutical compositions containing them
03/04/1980US4191762 Cephalosporin bactericides
03/04/1980CA1072951A1 Reactive penicillanic acid and cephalosporanic acid derivatives and a process for the preparation thereof
03/04/1980CA1072950A1 Cephalosporin-type antibiotics and process for producing the same
03/04/1980CA1072949A1 Cephem compounds
02/1980
02/26/1980US4190724 Reacting a 2-chlorosulfinylazetidin-4-one ester with stannic chloride in presence f oxygen-containing compound
02/26/1980CA1072543A1 Cephalosporin compounds
02/26/1980CA1072542A1 Cephem derivatives and process for the preparation thereof
02/26/1980CA1072541A2 PROCESS FOR PREPARING 7.beta.-ACYLAMINO-7-ALKOXYCEPHALOSPORINS OR 6.beta.-ACYLAMINO-6-ALKOXYPENICILLINS
02/19/1980US4189574 Cephalosporin derivatives and process
02/19/1980US4189573 7-Amino-3-(phosphonoalkyl and esterified phosphonoalkyl substituted tetrazolylthiomethyl)cephalosporins
02/19/1980US4189479 Cephalosporin esters
02/19/1980CA1072080A1 Cephalosporin derivatives and process for preparing the same
02/19/1980CA1072079A1 B-lactams and processes for their preparation and use
02/19/1980CA1072078A2 Cephalosporin compounds
02/12/1980CA1071631A1 Process for the preparation of thieno (3, 2-c) pyridine and derivatives thereof
02/12/1980CA1071621A1 Process for preparing 7-aminocephalosporanic acid derivatives
02/06/1980EP0007689A1 Production of sodium cephamandole derivatives
02/06/1980EP0007633A2 Cephem compounds, processes for their preparation and pharmaceutical compositions containing them
02/06/1980EP0007470A2 Cephem compounds, processes for their preparation and pharmaceutical compositions containing them
02/05/1980US4187374 7-(β-Aminoacylamino)-3-substituted-3-cephem-4-carboxylic acid derivatives and preparation thereof
02/05/1980CA1071189A1 Chemical compounds, process for preparing said compounds and process for preparing 6-(p-hydroxyphenylglycylamido)-penam or 7-(p-hydroxyphenylglycylamido)-cephem compounds
02/05/1980CA1071188A1 Cephalosporins
01/1980
01/29/1980CA1070673A1 7.beta.-(2-ARYL-2-(ETHERIFIED OXIMINO) ACETAMIDO) -3-N-SUBSTITUTED CARBAMOYLOXYMETHYLCEPH-3-EM-4-CARBOXYLIC ACIDS
01/29/1980CA1070672A1 Azetidinone compounds
01/29/1980CA1070671A1 Pyridiniummethylaryl-substituted-cephalosporin derivatives
01/22/1980CA1104125B Cephalosporin derivatives
01/22/1980CA1070294A1 Cephalosporin derivatives
01/15/1980US4183925 7-Aminophenylacetamido-Δ3 -cephem antibacterial agents and method of use
01/15/1980US4183858 Decarboxylase inhibitors
01/15/1980US4183850 Process for preparing 2-acyloxymethylpenams and 3-acyloxycephams
01/15/1980CA1069886A1 Removal of carboxy-protecting groups
01/09/1980EP0006532A1 Lactams, methods for their preparation, and medicaments containing them
01/09/1980EP0006146A1 Cephem derivatives, process for their preparation and pharmaceutical compositions containing them
01/08/1980US4182870 Preparation of 3-bromomethyl-3-cephem sulfoxides
01/08/1980US4182868 7-Methoxycephalosporin derivatives
01/08/1980US4182866 Cephalosporins
01/08/1980US4182863 Antibacterial
01/08/1980CA1069499A1 Cephalosporin esters
01/01/1980CA1069120A Process for preparing 7-aminocephalosporanic acid derivatives
01/01/1980CA1069119A Reduction giving 3-cephem compounds
12/1979
12/25/1979US4180661 7-[(Substituted-isothioureamethyl)phenyl]-acetamidocephalosporin derivatives
12/25/1979US4180660 Cephalosporin derivatives
12/25/1979US4180658 Antibiotics, bactericides
12/25/1979US4180509 α-Ethynyl tryptophanes
12/25/1979CA1068680A Method of preparing stable sterile crystalline cephalosporins for parenteral administration
12/25/1979CA1068679A 1,2,4-oxadiazolonylacetyl penicillins and cephalosporins
12/18/1979US4179557 Acylation of 7-aminocephalosporanic acids
12/18/1979US4179502 7[2-Hydroxyiminoacetamido]cephalosporins
12/18/1979CA1068260A1 7-(alpha-furoylureidoaryl and cyclohexadieny-lacetamido) cephalosporin antibiotics
12/18/1979CA1068259A1 Method for cyclization to give cephem ring
12/18/1979CA1068258A1 Hydrocarbyl cephem compounds
12/12/1979EP0006011A1 Cephalosporins and pharmaceutical compositions containing them
12/12/1979EP0005889A1 Process for the preparation of beta-lactam derivatives, the novel derivatives so obtainable and pharmaceutical compositions containing them
12/12/1979EP0005830A1 Cephalosporin derivatives, their preparation and the corresponding pharmaceutical compositions
12/12/1979EP0005785A1 Cephalosporin derivatives, process for their preparation, pharmaceutical compositions containing them and their use
12/11/1979US4178445 7-(α-Substituted glycinamido)-3-substituted methyl-3-cephem-4-carboxylic acids and their derivatives
12/11/1979US4178444 Hydrazono derivatives of cephalosporins
12/11/1979US4178443 Derivatives of 7 [-substituted oxyimins acetamido] cephalosporins
12/11/1979US4178290 Dithiinoacetic acid and its preparation
12/11/1979US4178288 Sulfaminoalkyl substituted tetrazole thiol intermediates for preparing cephalosporins
12/11/1979US4178210 Accellular synthesis of cephalosporins
12/11/1979CA1067892A1 Iodo compounds
12/04/1979CA1067486A1 PROCESS FOR PREPARING 7.beta.-ACYLAMINO-7.beta.-ALKOXYCEPHALOSPORINS OR 6.beta.-ACYLAMINO-6.alpha.-ALKOXYPENICILLINS
11/1979
11/27/1979US4176231 Reacting 3-methyl-3-halo-cepham sulfoxides with mercuric or mercurous perchlorate
11/27/1979CA1067068A2 3-CARBAMOYLOXYMETHYL-7-(.alpha.-(1-CARBOXYCYCLOBUT-1-OXYIMINO)-.alpha.-(FUR-2-YL) ACETAMIDO) CEPH-3-EM-4-CARBOXYLIC ACID
11/27/1979CA1067067A2 3-CARBAMOYLOXYMETHYL-7-(.alpha.-CARBOXYMETHOXYIMINO-.alpha.(FUR-2-YL)ACETAMIDO)CEPH-3-EM-4-CARBOXYLIC ACID
11/20/1979US4175185 Esterification, iminohalogenation, etherification, hydrolysis, deesterification
11/20/1979US4175076 Azetidinone mercury sulfides and process therefor
11/13/1979CA1066269A1 4-oxo-1-pyridinyl penicillin and cephalosporin derivatives
11/13/1979CA1066268A1 Process for preparing 3-acyloxymethyl-2-cephem compounds
11/06/1979US4173703 Preparation of carbamates
11/06/1979US4173702 7-(5-Amino-5-carboxyvaler-amido)-3-(carbamoyloxymethyl)-7-methoxy-3-cephem-4-carboxylic acid
11/06/1979CA1065855A1 Virtually solvent-free crystal form of the sodium salt of cephacetril
11/06/1979CA1065854A1 7-acetoacetamidocephem compounds
11/06/1979CA1065853A1 Hydroxy-substituted cephalosporins
11/06/1979CA1065852A2 PROCESS FOR PREPARING 7.beta.-ACYLAMINO-7.alpha.-ALKOXYCEPHALOSPORINS OR 6.beta.-ACYLAMINO-6.alpha.-ALKOXYPENICILLINS
10/1979
10/31/1979EP0004956A1 Beta-lactam antibiotics, process for their preparation, fodder additives, drugs and process for their preparation
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