Patents
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Patents for C07D 319 - Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms (10,283)
12/1981
12/15/1981CA1114371A1 Substituted 2,3-alkylene bis (oxy) benzamides, their derivatives and preparation process
12/09/1981EP0041131A2 Preparation of fluoro-substituted benzodioxoles and benzodioxanes
12/08/1981US4304771 Antihypertensive amides
11/1981
11/25/1981EP0040581A1 Process for the preparation of vinyl-stilbene compounds
11/24/1981US4302586 Fluorescent whiteners
11/24/1981US4302469 2-(1,4-Benzodioxan-2-ylalkyl)imidazoles useful as antidepressants
11/24/1981US4302238 Herbicidal isoxazolidine-3,5-diones
11/18/1981EP0039830A1 Process for the preparation of optically active compounds and their use in the preparation of vitamin E
11/17/1981US4301171 2-(1,4-Benzodioxan-2-ylalkyl)benzimidazoles useful as anti-depressants
11/12/1981WO1981003172A1 Novel benzo(1,4)dioxins,methods for their preparation and their use in pharmaceutical compositions
11/11/1981EP0039646A1 1,4-Benzodioxines, processes for their preparation and their use in therapy
11/04/1981EP0039029A2 Use of substituted 2-(1-methylbutyl)-1,3-dioxanes as perfuming agents and perfume compositions containing them
11/03/1981US4298529 Intermediates for useful cephalosporins
11/03/1981US4298528 Cyclohexyl-dioxane liquid crystalline compounds
10/1981
10/27/1981CA1111433A1 Imidazole derivatives and their salts
10/20/1981US4296121 Hypotensive agents, anticoagulants
10/20/1981US4296036 Selective method for the preparation of insect pheromone
10/14/1981EP0037778A1 2-(1,4-Benzodioxanyl)-methoxy-propanol amines, process for their preparation and their use as medicines
10/13/1981US4294845 1,3-Benzodioxin derivatives
10/13/1981US4294764 Herbicide antidotes
10/13/1981US4294266 Benzodioxanones and organoleptic uses thereof
10/06/1981US4293705 13,14-Dehydro-11-deoxy-prostaglandins and process for their preparation
10/06/1981US4293701 N-(Benzenesulfonyl) carbamates - herbicidal antidotes
10/06/1981US4293566 Pesticidally active 1-arylamino-2,4-dinitronaphthalenes
10/06/1981US4293472 Stabilized synthetic resin composition
09/1981
09/29/1981US4292432 Novel aldol derivatives and production thereof
09/23/1981EP0036147A1 Acylnorbornanone acetals, process for preparing the same, and perfume compositions containing the same
09/22/1981US4291159 9,11-Dideoxy-10-oxa-TXB intermediates
09/22/1981CA1109472A1 Ethers of 4-halomethylpyridines, fungicidal composition, and method for protecting plants from fungal disease
09/15/1981US4289659 Cyclic C6 esters and their use in perfumes
09/09/1981EP0035305A2 Process for preparing esters of 2-(6'-methoxy-2'-naphtyl)-propionic acid via rearrangement of new ketals of 2-halo-1-(6'-methoxy-2'-naphtyl)-propan-1-one
09/02/1981EP0034871A2 Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketals
09/01/1981US4287341 Alkoxy-substituted-6-chloro-quinazoline-2,4-diones
08/1981
08/25/1981US4285867 Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor
08/20/1981WO1981002297A1 Method of obtaining 4,4-dimethyl-1,3-dioxane
08/19/1981EP0034120A1 Derivatives of phenoxy-phenoxy-carboxylic acids
08/18/1981US4284643 Combating arthropods with novel fluorine-containing phenylacetic acid esters
08/18/1981US4284641 Pharmaceutically active imidazole derivatives
08/12/1981EP0033655A2 Imidazoline derivative, its salts, process for preparation and pharmaceutical compositions thereof
08/11/1981US4283339 Preparation of dioxane and co-products
08/11/1981US4283333 α-[4-Oxoazetidin-1-yl]-acetic acid compounds useful as intermediates in preparing 1-oxadethiacephalosporins
08/04/1981CA1106388A1 Cyclic esters of 3,4-dihydroxy-thiophene-1,1-dioxide compounds and 3,4-dihydroxy-cyclopentadienone compounds
07/1981
07/28/1981US4281119 Cryogenically controlled direct fluorination process, apparatus and products resulting therefrom
07/28/1981US4281012 Hypolipemic activity
07/21/1981US4279902 Anti-arrhythmia agents
07/15/1981EP0031966A1 Substituted norbornanone acetals, process for preparing the same, and perfume compositions containing the same
07/09/1981WO1981001845A1 Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation-exchanged layered clays
07/09/1981WO1981001844A1 Proton-catalysed reactions catalysed by hydrogen ion-exchanged layered clays
07/08/1981EP0031687A1 Proton-catalysed reactions catalysed by hydrogen ion-exchanged layered clays
07/08/1981EP0031686A1 Antidotal compounds, their preparation and their use with herbicides
07/01/1981EP0031253A1 Process for preparing 3,4-substituted benzaldehydes
07/01/1981EP0031252A1 Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation-exchanged layered clays
06/1981
06/23/1981US4275197 Thromboxanes
06/23/1981CA1103685A1 Process for the preparation of novel (l-3) benzodioxin derivatives
06/23/1981CA1103663A1 Fluoro-prostaglandins and process for their preparation
06/16/1981CA1103242A1 13,14-dehydro-11-deoxy-prostaglandins and process for their preparation
06/09/1981US4272629 Novel prostaglandin intermediates
06/02/1981US4271193 N1-Benzoyl-N2-phenyldiaminopropanols and pharmaceutical compositions thereof, and processes for their preparation
06/02/1981CA1102316A1 N su2 xx-arylsulfonyl-l-argininamides and the pharmaceutically acceptable salts thereof
05/1981
05/27/1981EP0029259A1 A method of preparing tricycloundecane derivatives, these compounds and a perfume composition containing at least one of them
05/26/1981US4269775 Oxime derivatives for protecting plant crops
05/19/1981US4268512 Anxiolytic agents, psychostimulants
05/19/1981US4268444 Preparation of polyene-aldehydes
05/19/1981CA1101424A1 Herbicidal 1,3-dioxanes
05/13/1981EP0028473A1 Chloro- and alkoxy-substituted-2,4-diaminoquinazolines and pharmaceutical compositions containing them
05/12/1981US4267373 Hydroxy- or -oxy-substituted-6-alkyl- or dialkylamino-7-hydroxy derivatives
05/12/1981CA1100979A2 Preparation of cis-1-hydroxy-3-substituted-6,6- dimethyl-6,6a-7,8,10,10a-hexahydro-9h-dibenzo[b, d]pyran-9-ones and intermediates therefor
05/12/1981CA1100968A1 No translation available
05/05/1981CA1100502A1 Quinoxalines and their use in photographic processes
04/1981
04/28/1981US4264467 Cyclic C6 compounds and their use in perfumes
04/28/1981US4264456 Benzodioxanones and organoleptic uses thereof
04/14/1981CA1099249A1 Process for the polymerization of alkenes
04/08/1981EP0026369A2 Carbamates, their preparation and pharmaceutical compositions containing them
04/07/1981US4260632 Adrenergic blocking agents, cardiovascular disorders
03/1981
03/31/1981US4259214 Perfume additive
03/24/1981US4258192 N2 -Arylsulfonyl-L-argininamides and the pharmaceutically acceptable salts thereof
03/24/1981US4258071 1,4-Epoxy-1,3,3-trimethyl-2-(2-buten-1-ylidene)cyclohexanes as flavorants
03/18/1981EP0025182A1 3-Methyl-1,4-dioxa-bicyclo(4.4.0)decan-2-on, its preparation and use as perfume and perfume compositions containing it
03/17/1981US4256761 Antihypertensive amides
03/17/1981US4256643 Intermediates for trans-3-methyl-but-2-ene-1,4-dial-1-acetals
03/17/1981US4256642 3,10-dimethyl-2,9-dioxatricyclo(4.3.1.0(3,7))decan-4-ol or 4-one made from didrovaltratum in multistep process
03/17/1981CA1097649A1 N-(benzenesulfonyl) carbamates-herbicidal antidotes
03/11/1981EP0024624A2 4-Fluoro-3-phenoxy-benzaldehyde acetals, process for their preparation and intermediate products therefor
03/11/1981EP0024588A1 Process for the preparation of substituted cyclopropyl carboxylic acid-(alpha-cyano-3-phenoxy-benzyl) esters
03/10/1981US4255580 Treatment of psychological disorders
03/10/1981US4255182 Pre- and postemergence herbicides
03/10/1981CA1097359A1 Amidines
03/04/1981EP0024293A1 Di- and/or oligomerisation of cyclic aliphatic ethers and use of the products thus obtained as particular solvents and complexing agents
03/03/1981US4254284 From a 5-vinyl-2-pyrrolidone derivative
03/03/1981CA1096874A1 Manufacture of gamma-butyrolactones from 1,3-glycols and esters, halides and metadioxanes thereof
02/1981
02/19/1981WO1981000408A1 Method of obtaining alkyl dioxanes-1,3
02/18/1981EP0024016A1 Tetrachlorophthalamic acids, process for their preparation and their bactericidal use
02/18/1981EP0023964A1 Phenyliminothiazoline derivatives, their preparation and intermediates therefor, pharmaceutical preparations containing them and their production
02/17/1981CA1095920A1 Combating arthropods with 3-(2,2,4-tetrafluoro-benz-1, 3-6-yl)-1-(substituted benzoyl)-ureas
02/11/1981EP0023725A1 Diphenyl ether derivatives, process for preparing the same and herbicidal compositions containing the same
02/10/1981US4250062 1,4-Epoxy-1,3,3-trimethyl-2-(2-buten-1-ylidene) cyclohexanes as odorants
02/04/1981EP0023293A1 Process for preparing 2.3-perfluoro-1.4-dioxanes and trifluoro methyl-1,4-dioxanes
02/03/1981US4248885 For gastrointestinal, urogenital, rheumatic, and cardiovascular disease
02/03/1981US4248788 Substituted benzodioxane, benzodioxole and benzodioxepine compounds
02/03/1981US4248723 Acetal derivatives as extreme pressure additives for lubricants
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