Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 257 - Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
Patents for C07D 257 - Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms (9,612)
10/2010
10/06/2010CN101851173A Inhibitors of histone deacetylase
10/05/2010US7807702 Substituted thiophene carboxylic amide glucagon receptor antagonists, preparation and therapeutic uses
10/05/2010US7807701 Dibenzylamine compounds and pharmaceutical use thereof
10/05/2010US7807698 Such as (1S,5R)-3-{3-[(5-cyclopropyl-4-methyl-4H-1,2,4-triazol-3-yl)thio]propyl}-1-[4-(trifluoromethyl)phenyl]-3-azabicyclo[3.1.0]hexane; for use as modulators of dopamine D3 receptors, antipsychotic agents, treatment of obsessive compulsive spectrum disorders and/or premature ejaculation
09/2010
09/30/2010WO2010109851A1 Lubricant composition and use thereof
09/30/2010US20100249430 Process for preparing valsartan
09/30/2010US20100249429 Process for the manufacture of valsartan
09/29/2010EP1658281B1 A method of removing the triphenylmethane protecting group
09/29/2010CN101845023A Tetrazole compounds and their use as metabotropic glutamate receptor antagonists
09/29/2010CN101061106B Potentiators of glutamate receptors
09/28/2010US7803951 antidiabetic agents; N-({6-bromo-4-[(trans-4-tert-butylcyclohexyl)({[4-(trifluoromethoxy)phenyl]amino}carbonyl)amino]-3,4-dihydro-2H-chromen-7-yl}carbonyl)- beta -alanine; treating or delaying the onset of type 2 diabetes mellitus; hyperglycemia, insulin resistance, or non-insulin dependent diabetes
09/28/2010US7803841 EP2 receptor agonists
09/28/2010US7803820 Schizophrenia; bioavailability, solubility, brain penetrancy; in vivo half life; synthesis; such as 3-[3-({4-methyl-5-[4-(pentafluoro-6-sulfanyl)phenyl]-4H-1,2,4-triazol-3-yl}thio)propyl]-1-[4-(trifluoromethyl)phenyl]-3-azabicyclo[3.1.0]hexane
09/23/2010WO2010108125A2 Psma-targeting compounds and uses thereof
09/23/2010CA2755965A1 Psma-targeting compounds and uses thereof
09/21/2010US7799928 Process for the preparation of irbesartan hydrochloride
09/16/2010WO2010103783A1 Process for preparation of 1-alkyl-5-benzoyl-1h-tetrazole derivatives
09/16/2010US20100234614 Process for pure irbesartan
09/16/2010US20100234591 Biaryl heterocyclic compounds and methods of making and using the same
09/15/2010EP1926705B3 Process for preparing valsartan
09/15/2010CN101835737A Spiro-ring compound and use thereof for medical purposes
09/15/2010CN101830767A Method for synthesizing difluoromethyl compound
09/14/2010US7795255 4-[2-(4-nitro-phenyl)-6-oxo-4-thioxo-6H-1-oxa-3b,5-diaza-cyclopenta[a]pentalen-5-yl]-butyric acid, used for inhibiting heparin-binding proteins and in the treatment of pancreatic cancer; anticarcinogenic agents
09/14/2010CA2422805C Retinoids for the treatment of emphysema
09/09/2010US20100226882 Linked diimidazole antivirals
09/08/2010EP2225214A1 Novel phenyl-acetamide and phenyl-propionamide derivatives useful as potassium channel modulators
09/07/2010US7790754 such as (2R) N-((1R)-1-{5-[5-chloro-3-fluoro-2-(5-methyl-1,2,4-oxadiazol-3-yl)phenyl]-3-fluoropyridin-2-yl}ethyl)-3,3,3-trifluoro-2-hydroxy-2-methylpropanamide, useful in the treatment or prevention of symptoms such as pain and inflammation; analgesics and antiinflammatory agents
09/07/2010US7790704 3'-{N'-[1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1,5-dihydropyrazol-4-ylidene]hydrazino}-2'-hydroxybiphenyl-3-carboxylic acid; thrombocytopenia and megakaryocytopoiesis treatment
09/01/2010EP2222308A1 N-acylhydrazone derivatives useful as modulators of nicotinic acetylcholine receptors
09/01/2010CN101821247A 5-(2-hydroxy phenyl)tetrazole compound as hsp90 inhibitor for anticancer
09/01/2010CN101821246A Tetrazole-substituted aryl amide derivatives and uses thereof
09/01/2010CN101817796A Method for preparing cefotiam side chain
09/01/2010CN101817795A Improved method for synthesizing valsartan
09/01/2010CN101817794A Preparation technology of intermediate of candesartan cilexetil
08/2010
08/31/2010US7786122 use to treat Alzheimer's Disease; (2R)-2-[N-(4-Chlorobenzenesulfonyl)-N-(4-methoxybenzyl)amino]-4-methylpentanoic acid amide for example
08/31/2010CA2389545C Chemokine receptor binding heterocyclic compounds
08/26/2010WO2010076033A9 Toluidine sulfonamides and their use
08/26/2010US20100217008 Process for the preparation of valsartan and intermediate products
08/26/2010US20100213824 Phosphorescent Metal Complex Compound Radiation Emitting Component Comprising a Phosphorescent Metal Complex Compound and Method for Production of a Phosphorescent Metal Complex Compound
08/25/2010EP2220057A2 Prostaglandin e1 and e2 analogs for the treatment of various medical conditions
08/25/2010EP2220029A1 Novel compounds
08/25/2010CN101812032A Method for synthesizing macrocyclic tetraamido metal complex
08/25/2010CN101812031A High-pressure production method of 5-hydroxyl alkyl tetrazole
08/25/2010CN101812030A High-pressure production method of 5-hydroxymethyl-tetrazole or 5-hydroxyethyl tetrazole
08/25/2010CN101812029A Method for producing 5-halogenolinear alkyl tetrazole
08/24/2010US7781470 Aminodicarboxylic acid derivatives having pharmaceutical properties
08/24/2010US7780952 Distinguish between tumor cells and normal cells using novel contrast agents that contain a Magnetic Resonance Imaging (MRI) detectable moiety bound, optionally through a spacer, to a (pseudo)nutrient such as glucose, a natural or unnatural amino acid such as agmatine, or a polyamine such as spermidine
08/19/2010US20100210853 Process for preparation of candesartan cilexetil
08/19/2010US20100210852 Process for the preparation of candesartan cilexetil
08/19/2010CA2752190A1 Small molecule bradykinin b1 receptor antagonists
08/18/2010EP2217580A2 Substituted tetrazole compounds and uses thereof
08/18/2010CN101805306A Production method of 5-chloromethyl tetrazole or 5-chloroethyl tetrazole
08/18/2010CN101805305A 5-(2 nitro-methylene)-MTT and preparation method and application thereof
08/18/2010CN101200455B Method for preparing sartan drug main ring 5-(4'-formyl biphenyl-2-group)-1H-tetrazole treating hypertension
08/18/2010CN101153027B Process for the manufacture of valsartan
08/17/2010US7777077 Dual-acting antihypertensive agents
08/17/2010US7777029 Protecting an amino acid compound amino group with an amino protecting group and the carboxyl with a carboxyl protecting group; reacting with cyclen; reacting the monoalkylated cyclone with an activated compound, then deprotecting
08/17/2010CA2527203C Casr antagonist
08/12/2010WO2010091169A2 Preparation of valsartan
08/12/2010US20100204213 Arylsulfonamide derivatives for use as ccr3 antagonists in the treatment of inflammatory and immunological disorders
08/12/2010US20100204199 Cyclic 11-beta hydroxysteroid dehydrogenase type i inhibitors
08/11/2010EP2215065A1 Ccr10 antagonists
08/10/2010US7772425 Vitamin D receptor modulators
08/10/2010US7772285 Benzophenone derivatives or salts thereof
08/05/2010WO2010086615A1 Luminescent lanthanide complexes
08/05/2010US20100197932 Process for preparing pure valsartan
08/05/2010US20100197696 Pesticidal heterocyclic dihaloallyl compounds
08/04/2010EP2212303A1 Novel benzamide derivatives useful as potassium channel modulators
08/04/2010EP1392660B1 Substituted benzoylcyclohexenones and their use as herbicidal agents
08/03/2010US7767822 Improved solubility makes them more easily applied to test strips used for measuring analytes in biological samples (e.g., glucose in blood samples); 5-Benzo[1,3 dioxol-5-yl]-3-[2-(3-trimethylammonium) propoxy-phenyl]-2-(5-chloro-4-difluoromethyl-thiazol-2-yl)-2H-tetrazolium bromo nitrite salt
08/03/2010US7767810 Macrocyclic modules comprising linked cyclic synthon units for use in the formation of selectively permeable membranes
07/2010
07/29/2010WO2010085583A1 Preparation of a lead-free primary explosive
07/29/2010US20100190967 Method of Dynamic Nuclear Polarisation (DNP) and Compounds and Compositions for Use in the Method
07/28/2010EP1831186B1 A process for the synthesis of valsartan
07/28/2010CN101790523A Tetrazole derivatives and light sensitive poly(dimethylsiloxane) for complex pattern formation
07/28/2010CN101786993A 1, 2, 3-triazole compound and application thereof in preparing indoleamine 2, 3-dioxygenase inhibitor
07/27/2010US7763616 Chemokine receptor antagonists, used for the treatment of inflammatory diseases, autoimmune diseases, transplant rejection, infectious diseases, hypersensitivity responses, ophthalmic inflammation, diabetes, viral meningitis and tumors
07/22/2010US20100184982 Detergent-dispersant, additive composition for lubricant, and lubricant composition
07/21/2010CN1826310B Novel aminobenzophenone compounds
07/21/2010CN101784516A Dipeptide analogs as coagulation factor inhibitors
07/21/2010CN101781273A dipeptidylpeptidase iv inhibitor containing guanidyl
07/21/2010CN101781264A Production method of 1-methyl-5-mercapto-1,2,3,4-tetrazole
07/20/2010CA2607848C 3-substituted (3-phenyl)-propionic acid derivatives for the treatment of metabolic disorders
07/15/2010US20100179203 Novel pyrazole derivatives useful as potassium channel modulators
07/15/2010US20100179116 Arene Connected Polyamine Macrocyclic Derivatives, Preparation Methods and Pharmaceutical Uses Thereof
07/14/2010EP2205573A1 Tetrazole-substituted aryl amide derivatives and uses thereof
07/14/2010EP1891026B1 Cycloalkylidene compounds as selective estrogen receptor modulators
07/14/2010CN1844110B Method for synthesizing Valsartan with high optical purity
07/14/2010CN101774975A Ionic liquid catalysis ring-closure reaction method
07/08/2010WO2010076033A1 Toluidine sulfonamides and their use
07/08/2010WO2010075869A1 Toluidine sulfonamides and their use
07/08/2010WO2010056527A3 B-biphenyl sulfonamide compounds as ion channel modulators
07/08/2010US20100173899 Dipeptide analogs as coagulation factor inhibitors
07/08/2010CA2746790A1 Toluidine sulfonamides and their use
07/07/2010CN101768128A Method for refining Valsartan containing more than 10% of isomer
07/07/2010CN101768127A Preparation method of TAT
07/07/2010CN101768109A Bi-methyl fluoride sulfones compound and application thereof
07/07/2010CN101768035A Method for preparing and recovering aromatic methyl diphenyl compound
07/06/2010CA2415962C Valsartan salts
07/01/2010WO2010074089A1 Indanyl compounds
1 ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 ... 97