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)
01/1984
01/10/1984US4425341 Cephalosporing
01/10/1984US4425340 Antibiotics, bactericides
12/1983
12/28/1983EP0097127A2 Cephalosporin derivatives, process for their preparation and pharmaceutical compositions containing them
12/28/1983EP0096903A2 Intermediate compounds for preparing cephem compounds and processes for their preparation
12/27/1983US4423215 Method of preparing sodium salts of imidazoledicarboxylic acid substituted cephalosporin derivatives
12/27/1983US4423214 3-Vinylcephalosporin derivatives
12/27/1983US4423213 7-Acylamino-3-vinylcephalosporanic acid derivatives and processes for the preparation thereof
12/21/1983EP0096496A1 Preparation of penicillin and cephalosporin compounds and novel intermediates useful therein
12/20/1983US4421912 Bactericides
12/13/1983US4420478 Antibiotics, bactericides, cephalosporins
12/13/1983US4420477 Antibiotics, bactericides
11/1983
11/30/1983EP0095329A2 Cephalosporin antibiotics
11/30/1983EP0095320A1 A process for the preparation of beta-lactam compounds
11/30/1983EP0095029A1 5-Thio-tetrazol compounds and their preparation
11/24/1983WO1983003968A1 Brain-specific drug delivery
11/23/1983EP0094639A2 Sodium 7-beta-(2D-2-amino-2-carboxyethylthioacetamido)-7-alpha-methoxy-3-(1-methyl-1H-tetrazol-5-yl)-thiomethyl-3-cephem-4-carboxylate heptahydrate, process for its preparation as well as pharmaceutical compositions containing same
11/22/1983US4417047 Acylation using thiol ester
11/22/1983US4416880 β-Lactam antibiotics and compositions containing the same
11/22/1983US4416879 Cephem compounds
11/15/1983US4415735 Antibiotics; bactericides
11/15/1983US4415567 A 7b-chromone-3-carboxamido-2-/4-hydroxy phenyl/acetamido-2-cephem derivative
11/15/1983US4415566 Cephalosporin derivatives
11/15/1983US4415562 3-Thiovinylcephalosporins and pharmaceutical compositions
11/15/1983CA1157014A2 Process for the preparation of (substituted)-2- carbamoyloxymethylpenam and (substituted)-3- carbamoyloxycepham
11/15/1983CA1157013A2 Process for the preparation of (substituted)-2- carbamoyloxymethylpenam and (substituted)3- carbamoyloxycepham
11/15/1983CA1157012A2 Process for the preparation of (subtituted)-2- carbamoyloxymethylpenam and (substituted)-3- carbamoyloxycepham
11/09/1983EP0093548A2 Cephalosporin derivatives
11/08/1983US4414387 Cephapirin acetylcysteinate having antibacterial activity
11/08/1983US4414153 1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin derivatives
11/02/1983EP0092830A2 Cephalosporin derivatives, process for their preparation, pharmaceutical compositions containing them and their application
11/02/1983EP0092722A1 Beta-lactam antibiotics, process for their preparation and their use as medicines
10/1983
10/25/1983US4412070 Antibiotics
10/25/1983US4411898 7-[2-Oxyimino-2-(2-aminothiazol-4-yl)acetamido]-3-(1-carboxyalkyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid compounds
10/25/1983US4411897 Crystalline salts
10/25/1983CA1155835A1 Process for preparing cephalosporin derivatives
10/18/1983US4410626 Process for the production of 7α-methoxycephalosporin derivatives
10/18/1983US4410522 Cephalosporins
10/18/1983US4410458 Process for providing an oxidized penam
10/12/1983EP0091141A1 Process for the preparation of thioethers
10/12/1983EP0091130A2 Cephalosporin derivatives, process for preparing and pharmaceutical compositions containing said compounds
10/11/1983US4409387 Antibiotics, bactericides
10/11/1983US4409217 Antimicrobial, antibiotic
10/11/1983US4409215 Bactericides
10/11/1983US4409214 7-Acylamino-3-vinylcephalosporanic acid derivatives and processes for the preparation thereof
10/05/1983EP0090656A1 Penicillins, a process for the preparation and compositions containing them
10/05/1983EP0090240A2 7-Alpha-aminoacyl-3-chlorocephalosporins, their preparation and their use as pharmaceutical products
10/04/1983US4408042 Cephem compounds
10/04/1983US4407798 Cephem compounds
09/1983
09/27/1983US4406899 Cephalosporins
09/27/1983US4406898 Oxazole and oxadiazole cephalosporins
09/27/1983CA1154434A1 Hydroxamic acid derivatives of 7-[(2-amino-4- thiazolyl oximino]cephalosporins
09/27/1983CA1154433A1 Cephalosporins, processes for their production and medicaments containing them
09/21/1983EP0089216A2 Cephalosporin compounds
09/21/1983EP0089102A2 Isolation and purification of cephalosporins
09/21/1983EP0088853A1 Derivatives of pyridinium thiomethyl cephalosporins, process for their preparation and pharmaceutical compositions containing them
09/21/1983EP0088831A1 Process for the preparation of thioethers
09/20/1983US4405782 Salt formation with bicyclic amidine
09/20/1983US4405778 Reacting a 3-hydroxyl- or 3-keto 2-cephem derivative with an alkali metal carbonate or amine and d fluoro-containing sulfonate
09/20/1983US4405618 Cephalosporins; bactericides; microbiocides; agriculture
09/20/1983US4405617 3-(Propynyltetrazol)thiomethyl-3-cephems
09/20/1983CA1154009A1 Cephalosporin derivatives
09/14/1983EP0088454A2 New starting compounds for preparing cephem compounds and processes for their preparation
09/14/1983EP0088385A2 7-Acylamino-3-cephem-4-carboxylic acid derivatives, processes for the preparation of the same and pharmaceutical composition comprising the same
09/14/1983EP0088320A2 Cephalosporin derivatives and process for their preparation
09/13/1983US4404376 Cephalosporanic acid derivatives
09/13/1983US4404375 Cephalosporanic acid derivatives
09/13/1983US4404374 Antibiotics
09/13/1983US4404373 Process for the preparation of 7α-methoxy-7β-(1,3-diethietane-2-carboxamido)cephalosporanic acid derivatives
09/13/1983US4404201 N-/ /alkanoylaminoalkanoylamino or aminoalkanoyl amino/-dihydro-oxo-3-quinolinylcarbonyl/- derivatives
09/06/1983US4402955 Dioximino cephalosporin antibiotics
09/06/1983US4402803 Electrolytic reduction
09/06/1983CA1153374A1 Piperazinylbenzoheterocyclic compounds
08/1983
08/30/1983US4401668 Bactericides
08/30/1983US4401667 Cephalosporins
08/30/1983US4401528 Electrolytic oxidation
08/30/1983CA1152980A1 PROCESS FOR PRODUCING 7-.alpha.-METHOXYCEPHALOSPORINS
08/24/1983EP0086548A2 A method of cleaving double stranded DNA
08/23/1983US4400509 With hexamethyldisilane with an organonitrogen catalyst
08/23/1983US4400503 Formation of hydrochloride salt
08/23/1983US4400379 Cephem compounds
08/23/1983CA1152489A1 ANTIMICROBIAL 7- (.alpha.-ACYLAMINO-.alpha.-ARYLACETAMIDO)-3- (SUBSTITUTED METHYL) CEPHALOSPORIN COMPOUNDS, THEIR COMPOSITIONS AND PRODUCTION THEREOF
08/16/1983US4399278 7-amino-2 or 3-cephem-4-carboxy compounds having antibacterial properties
08/16/1983US4399277 7-Amino-3-phosphonocephalosporanic acid compounds
08/16/1983US4399135 Antibiotics
08/16/1983US4399133 Administering, infections
08/16/1983US4399132 Bactericides
08/16/1983US4399131 Cephem derivatives
08/16/1983CA1152062A1 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereof
08/16/1983CA1152061A1 Process for preparing new o-substituted amino-7 thiazolyl acetamido cephalospranic acide derivatives
08/09/1983CA1151641A1 Cephalosporin esters and ethers
08/02/1983US4396620 Cephalosporin quinolinium betaines
08/02/1983US4396619 Cephalosporin betaines
08/02/1983US4396618 Alkyloximes of 7-amino-thiazolyl-acetamido-cephalosporanic acids
08/02/1983CA1151153A1 Penicillin salt
08/02/1983CA1151152A1 Cephalosporin compounds
08/02/1983CA1151151A1 Cephem derivatives and process for their manufacture
08/02/1983CA1151150A1 Cephalosporins
07/1983
07/26/1983US4395412 7α-Methoxycephalosporins
07/26/1983US4395411 Pyrimidinyl cephalosporanic acid derivatives and pharmaceutical compositions
07/26/1983CA1150726A1 Cephalosporins, processes for the preparation and pharmaceuticals containing these compounds
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