Patents
Patents for C07D 241 - Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings (18,673)
05/1992
05/19/1992US5114940 Pesticides
05/19/1992US5114464 4-quinoxalinyloxyphenoxyalkylinitrile herbicides
05/14/1992WO1992007847A1 Fused pyrazine derivative
05/13/1992EP0484908A2 Microbiological process for the preparation of hydroxylated Pyrazinederivatives
05/13/1992EP0484881A2 Heteroaroyl derivatives of monocyclic beta-lactam antibiotics
05/13/1992EP0484600A1 Preparation of alcohol-extended and amine-extended piperazines
05/13/1992EP0484437A1 Renal-selective prodrugs for the treatment of hypertension
05/12/1992US5112844 Micelles
05/12/1992US5112826 Cardiovascular disorders
05/12/1992US5112817 Quinoline derivatives
05/12/1992US5112385 Useful in rice paddies
05/09/1992CA2055125A1 Microbiological process for the production of hydroxylated pyrazine derivatives
05/06/1992EP0238576B1 Nitrogen-containing heterocyclic compounds
05/05/1992US5110929 Quaternization of pyrazine compounds
05/05/1992US5110347 Pre- and postemergence; quinoxaline derivatives
05/05/1992CA1300144C Conversion of oxygen-containing polyamines
05/01/1992WO1992007853A1 Certain imidazoquinoxalines; a new class of gaba brain receptor ligands
04/1992
04/24/1992CA2053791A1 Process for the preparation of racemic pilosinine derivatives
04/22/1992EP0481742A1 Piperazine derivatives
04/21/1992US5106976 Antisecretory agents
04/21/1992CA1299178C Heterocyclic oxophtalazinyl acetic acids
04/16/1992WO1992005700A1 4-quinoxalinyloxyphenoxyalkylnitrile herbicides
04/14/1992US5105020 Cycloalkane derivatives
04/14/1992US5104892 Substituted benzimidazole derivatives possessing Class III antiarrhythmic activity
04/14/1992US5104883 Cardiovascular, respiratory, gastrointestirol, urogenital disorders; baldness; premature labor
04/14/1992US5104872 N-(substituted benzyloxy) imine derivatives and method of use thereof
04/14/1992CA1298835C 1-¬2-(phenylmethyl)phenyl| piperazines and the method for preparing the same
04/08/1992EP0478729A1 Process for manufacturing aspartame from a diketopiperazine and novel intermediates and derivatives therefor.
04/08/1992CN1060008A 4-quinoxalinyloxy pheroxyalkylnitrile herbicides
04/02/1992WO1992005160A1 4-arylsulfonyl-3,4-dihydro-2(1h)-quinoxalinone-1-alkanoic acids, esters, and salts
04/02/1992WO1992005131A1 Organic electroluminescent element
04/01/1992EP0478363A2 Novel sulfonamide fibrinogen receptor antagonists
04/01/1992EP0478362A2 Fibrinogen receptor antagonists
04/01/1992EP0478328A1 Novel fibrinogen receptor antagonists
04/01/1992EP0477829A2 Microbiological process for the preparation of hydroxylated heterocyclic compounds
04/01/1992EP0477528A1 Piperazine-2,5-dione and piperazine-2-one derivatives
03/1992
03/31/1992US5100891 Substituted 1,2,3,4-tetrahydrocyclopent[b]indoles, 1,2,3,3a,4,8a-hexahydrocyclopent[B]indoles and related compounds
03/31/1992CA1298298C Quinoxaline compounds and their preparation and use
03/28/1992CA2052069A1 Fibrinogen receptor antagonists
03/28/1992CA2052043A1 Fibrinogen receptor antagonists
03/25/1992EP0476016A1 Therapeutically useful 2-aminotetralin derivatives
03/25/1992CN1059719A Substituted guanidine derivatives their preparation and use
03/24/1992US5098924 Hypotensive agents and angiotensin II inhibitors
03/24/1992US5098466 Herbicides
03/24/1992US5098464 Pyrazole compounds and herbicidal use thereof
03/24/1992US5098462 Substituted semi-carbazones and related compounds
03/17/1992CA1297474C Process for preparing alkoxyalkylidenehydrazinopyridazine derivatives
03/11/1992WO1992004315A1 Substituted monocyclic aryl compounds exhibiting selective leukotriene b4 antagonist activity
03/11/1992EP0474561A1 Arylalkylamines, process for their preparation and pharmaceutical compositions containing them
03/11/1992EP0474042A1 Alpha-arylacrylic acid derivatives, their production and use for the control of pests and fungi
03/11/1992CN1059344A Nonlinear optical materials
03/11/1992CA2091256A1 Substituted monocyclic aryl compounds exhibiting selective leukotriene b4 antagonist activity
03/10/1992CA1297104C Alkylenediamines
03/08/1992CA2048983A1 .alpha.-arylacrylic acid derivatives, their preparation and their use for controlling pests and fungi
03/05/1992WO1992003417A2 Nonlinear optical materials
03/04/1992EP0473208A2 Liquid crystal compounds containing a pyrazine or pyridine ring
03/04/1992EP0299972B1 Anthelmintic quaternaryalkyl acylhydrazones, method of use and compositions
03/04/1992EP0268688B1 Substituted aryloxyureas, process for their preparation, and their use
03/03/1992US5093335 Dicyanopyrazine compounds and fungicide
03/01/1992WO1992004338A1 Tropolone derivatives and pharmaceutical composition thereof for preventing and treating ischemic diseases
02/1992
02/26/1992EP0472300A2 Fungicides
02/26/1992EP0472224A1 Fungicides
02/25/1992US5091427 Cognition activators
02/25/1992US5091383 Bactericides
02/25/1992US5091066 Electrochemical synthesis of 2-methyl-5-pyrazinoic acid
02/20/1992WO1992002513A1 Heterocyclic compounds
02/19/1992EP0471372A1 Novel substituted guanidine derivatives, their preparation and use
02/19/1992CN1058780A Thiazolidinecarboxylic acid amide derivatives with anti-allergic activities, process for preparing same and use
02/18/1992US5089514 3-coxazolyl [phenyl, chromanyl or benzofuranyl]-2-hydroxypropionic acid derivatives and analogs as hypoglycemic agents
02/18/1992US5089168 Stable ferroelectric liquid crystals
02/18/1992US5089043 Heterocyclic oxy-phenoxyacetic acid derivatives and their use as herbicides
02/18/1992US5089025 Hair dye compositions and certain 1,2,3,4-tetrahydronitroquinoxalines useful therein
02/18/1992CA2049251A1 Substituted guanidine derivatives, their preparation and use
02/12/1992EP0470177A1 Fungicidal oxime carbamates
02/06/1992WO1992001682A1 Acetylene derivatives having lipoxygenase inhibitory activity
02/06/1992WO1992001667A1 Renal-selective prodrugs for control of renal sympathetic nerve activity in the treatment of hypertension
02/06/1992CA2087836A1 Acetylene derivatives having lipoxygenase inhibitory activity
02/05/1992CN1015363B Semicarbazones compounds process for production thereof, and use thereof as herbicide
01/1992
01/28/1992US5084478 Alkene, alkyne or cycloalkylene derivatives
01/28/1992US5084463 Cardiovascular disorders
01/23/1992WO1992000971A1 Water-soluble bis-dioxopiperazine derivative
01/23/1992CA2065291A1 Water soluble bis-dioxopiperazine derivatives
01/22/1992EP0467849A1 Stabilized monomer compositions
01/22/1992EP0467840A2 Derivatives of cyclopropyl acetic acid
01/22/1992EP0467709A2 Use of an ATP-sensitive potassium channel blocker to treat neuronal insult
01/21/1992US5082940 Process for the production of oxides of aromatic tertiary amines
01/21/1992US5082917 Piperazine derivatives as chain extenders in polyurea elastomer systems and method making same
01/21/1992US5082852 Cyclopropanecarboxamides and their use for controlling pests
01/21/1992CA2047338A1 Stabilized monomer compositions
01/21/1992CA2044855A1 Method for treating insult to neurons prone to parkinson's degeneration employing an atp-sensitive potassium channel blocker
01/19/1992CA2047157A1 Cyclopropylacetic acid derivatives
01/15/1992CN1057836A Z-hydroxyl quinoline preparation method
01/15/1992CN1057835A Process for manufacturing aspartame from disetopiperazine and novel intermediates and derivatives therefor
01/14/1992US5081126 Quinolyl- and isoquinolyl-methoxyphenyl-dithioacetyl derivatives useful as antiinflammatory agents
01/14/1992US5081123 Quinoxaline compound and their preparation and use
01/14/1992US5080719 Smoking compositions containing a heteroaromatic flavorant-release additive
01/08/1992EP0464381A2 2-Methoxyiminocarboxylic acid esters
01/07/1992US5079305 Improved cure rate, scorch delay and reversion resistance
01/07/1992US5079251 Novel compounds
01/02/1992EP0463873A1 Thiazolidinecarboxylic acid amide derivatives having anti-allergic activity, their preparation and their use