Patents
Patents for C07D 498 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms (21,960)
09/1982
09/21/1982US4350815 Process for the production of 4,6-diamino-5-cyano-3-aryl-isoxazolo [5,4-b]p
09/15/1982EP0060120A1 Process for preparing 4-haloazetidin-2-ones
09/15/1982EP0060077A1 Beta-lactam antibiotics, their preparation and use
09/14/1982US4349549 Anti-hypertensive 1-substituted spiro(piperidine-oxobenzoxazine)s
09/14/1982CA1131633A1 Heterotricyclic derivatives and process for preparing the same
09/14/1982CA1131629A1 20-0-acylmaytansinoids
09/08/1982EP0059390A1 Imidazodiazepines, intermediate products and process for their preparation, and medicines containing them
09/07/1982US4348402 2-Hydroxyalkyl-3,4,5-trihydroxy-piperidine compounds, their production and their medicinal use
09/07/1982US4348320 Substituted azetidiones
09/07/1982CA1131144A1 Antibiotic c-15003 pnd
08/1982
08/31/1982US4347368 3-Substituted-6-substituted-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
08/31/1982US4347367 Antibiotics
08/31/1982US4347362 1-Alkyl-4-amino-3-(3-aminotriazolo)-1,8 naphthyridine-2-ones
08/25/1982EP0058476A2 Fused (1,2,4) oxadiazolylidenebenzenesulfonamides and their use as herbicides and plant growth regulants
08/24/1982US4346089 1-Aza-4-oxa-bicyclo [4,4,0]decane derivatives
08/24/1982US4346036 Process for preparing imidazodiazepine derivatives
08/24/1982US4346035 Process for preparing imidazodiazepines
08/24/1982US4346034 Process for preparing imidazodiazepines
08/24/1982US4346033 Thienodiazepinone and benzodiazepinone intermediates
08/24/1982US4346032 Imidazodiazepine derivatives
08/24/1982US4346031 Process for preparing imidazodiazepines
08/24/1982US4346030 Imidazodiazepine derivatives
08/18/1982EP0057885A2 Substituted diazaspirodecanes, their preparation and their use for the stabilisation of organic polymers and these stabilised polymers
08/11/1982EP0057536A1 Pharmaceutically active compounds
08/10/1982CA1129415A1 Thiadiazolo- and oxadiazolotetrahydroisoquinoline compounds
08/03/1982US4342772 β-Lactam compounds, antibacterial compositions thereof and method of use
08/03/1982US4342760 Cephalosporin analogues
08/03/1982US4342668 Photochromic compounds
07/1982
07/27/1982US4341785 Imidazo-rifamycin derivatives with antibacterial utility
07/27/1982US4341705 Thienamycin derivatives
07/27/1982US4341704 4,1-Benzoxazepines and thia analogs thereof
07/20/1982US4340534 Photo-stabilizers
07/13/1982CA1127639A1 4,1-benzoxazepines and thia analogues thereof
07/07/1982EP0055546A1 Pentacyclic compounds, processes for their preparation and their use
07/06/1982US4338314 [1,2]Anellated-7-phenyl-1,4-benzodiazepine and pharmaceutical compositions thereof and use for treatment of ulcers
06/1982
06/30/1982EP0055071A1 Antibiotic A-4696 factor G
06/30/1982EP0055070A1 Antibiotic A-4696 factors B1,B2,B3,C1a,C3 and E1
06/30/1982EP0055069A1 Derivatives of actaplanin
06/30/1982EP0054866A2 Oxadiazolopyrimidine derivatives, process and intermediates for their production and pharmaceutical preparations containing such an oxadiazolopyrimidine derivative
06/29/1982US4337345 Preparation of biotin via thieno [3,2c] isoxazoles
06/29/1982CA1126735A1 3'-(substituted phenyl)-spiro[isobenzofuran-1(3h), 5'(4'h)-isoxazol]-3-ones and their use as herbicides and plant growth regulants
06/29/1982CA1126729A1 [1,2] anellated-7-phenyl-1,4-benzodiazepine and pharmaceutical compositions thereof and processes for their preparation
06/23/1982EP0054132A1 Pyrimidones, their preparation and medicines containing them
06/22/1982US4336380 For use as hypotensive agents
06/22/1982US4336183 2,2,6,6-Tetramethyl-4-piperidyl carboxylic acid esters and amides of mono and poly alcohols, phenols and amines as stabilizers for synthetic polymers
06/22/1982CA1126270A1 Process for the preparation of imidazobenzodiazepines
06/08/1982US4333937 Hypotensive agents
06/08/1982US4333934 Imidazoquinoxalines and pyrroloquinoxalines
06/01/1982US4332951 Antitumor agents
06/01/1982US4332804 9-[2-(3-Indolyl)ethyl]-1oxa-4,9-diazaspiro[5.5]undecan-3-ones
05/1982
05/25/1982US4331598 Antitumor and antiprotozoa agents; antibiotics
05/25/1982CA1124236A1 Crystallization process
05/18/1982CA1123833A1 Process for the manufacture of polyalkyl-1-oxa-diaza-oxo-spirodecanes
05/18/1982CA1123832A1 Urea derivatives, process for their manufacture and their use as light protecting agents for polymers
05/11/1982CA1123437A1 3,4,5-trihydroxypiperidine compound, their production and their medicinal use
04/1982
04/27/1982US4327096 3-Amidino ansamycins
04/20/1982CA1122207A1 Ergot peptide alkaloid derivatives, processes for their preparation and pharmaceutical compositions containing them
04/15/1982WO1982001188A1 4,5-deoxymaytansinoide compounds and process for preparing same
04/14/1982EP0049683A2 Imidazo-rifamycines, process for their preparation, pharmaceutical preparations containing them and their use
04/14/1982EP0049528A1 4,5-Deoxymaytansinoids, their production and use
04/13/1982US4324726 Precursors of coupling agents for production of antitumor agents
04/13/1982CA1121814A2 Antibiotic c-15003
04/06/1982US4323567 Bactericides
04/06/1982CA1121361A1 Spiro-oxazolidindiones
04/06/1982CA1121360A2 .beta.-LACTAM COMPOUNDS
04/06/1982CA1121350A1 Process for the preparation of novel imidazobenzoxazines and their salts
03/1982
03/30/1982US4322419 Bicyclomycin derivatives, compositions thereof and process of use thereof
03/30/1982US4322406 Antibiotic A-4696 factors B1, B2, B3, C1a, C3 and E1
03/30/1982US4322348 Maytansinoids
03/30/1982US4322343 Pseudo-aglycone of actaplanin
03/24/1982EP0048166A1 Bicyclic 1-oxa-beta-lactam compounds, their preparation and pharmaceutical formulations containing them
03/16/1982US4320200 Antibiotic
03/16/1982CA1120033A1 Process of producing nitrogen-containing heterocyclic compounds
03/10/1982EP0047005A1 Benzoxazine derivatives
03/09/1982US4319030 Alkylated diaza-spirodecanes
03/09/1982US4318910 Indolobenzoxazines
03/03/1982EP0046661A1 Rapamycin derivatives
03/02/1982US4317821 Antitumor agents
03/02/1982CA1119173A1 Process for obtaining 4,5-dichloro-2-phenyl-3(2h)- pyridazinone from 5-chloro-4-amino-2-phenyl-3(2h) - pyridazinone
03/02/1982CA1119172A1 Heterocyclic chemical compound 6-phenyl-(1,2,3)-oxadiazole-(4,5 d)-pyridazin-7(6h)- one and process for its production
02/1982
02/24/1982EP0046189A1 Isoxazolino-azoxy compounds and process for their preparation
02/24/1982EP0046188A1 Process for the preparation of isoxazolino-azo compounds
02/23/1982US4316901 Feeding a ((1,2,4 oxadiazolo(2,3-a)pyrididin-7-yl) carbamate
02/23/1982US4316885 Fungicides, antibiotics
02/23/1982US4316839 Imidazodiazepine derivatives
02/16/1982US4315934 Organic compounds
02/16/1982US4315929 Ansa macrolide compound insecticide
02/16/1982US4315767 Triazolone herbicides
02/03/1982EP0044992A1 Lactams, process for their preparation and pharmaceutical compositions containing them
02/02/1982US4313946 Antileukemic agents
02/02/1982US4313944 Cycloheptindoles, compositions and use
02/02/1982US4313931 Fused dibenzo imidazolo compounds, compositions and use
01/1982
01/26/1982US4312866 For intra-articular injection
01/19/1982US4311840 Antiinflammatory agents
01/12/1982US4310612 Blocked photographically useful compounds in photographic compositions, elements and processes employing them
01/05/1982US4309436 3'(3,5-Dichlorophenyl)-spiro(3-oxabicycloc[3.1.0]hexane)-6,5'-oxazolidine-2',4'-dione
01/05/1982US4309433 Pyridinecarbonamido-oxy or thio loweralkyl-1-(diloweralkylaminoloweralkyl)benzene and derivatives thereof, compositions containing same and method of using same
01/05/1982US4309428 Maytansinoids
12/1981
12/30/1981EP0042669A2 Compounds and compositions for use in animal feeds
12/29/1981US4308269 Antitumour agents