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)
01/2013
01/09/2013CN101616668B New pharmaceutical composition
01/08/2013US8350050 Bis-(1(2)H-tetrazol-5-yl) amine and production method therefor
01/08/2013US8349843 Carboxylic acid derivatives, their preparation and use
01/08/2013CA2590511C Pharmaceutical combinations of an angiotensin receptor antagonist and an nep inhibitor
01/03/2013WO2013001235A1 Supported alkoxylated organotin reactant, preparation and use for heterogeneous-phase synthesis of tetrazoles
01/03/2013WO2012151539A3 Lanthanoid complex capsule and particle contrast agents, methods of making and using thereof
01/03/2013WO2012148148A3 Novel zinc azide complex and a process for preparing tetrazole derivatives using the same
01/03/2013US20130005767 Therapeutic compounds
01/03/2013US20130004423 Polyazamacrocyclic compound, and a production method and a biomedical use therefor
01/02/2013EP2540734A2 Process and reagents for oligonucleotide synthesis and purification
01/02/2013CN102850287A Method for refining metronidazole (MTZ)
01/02/2013CN101365681B Iminopropene compound and use thereof
01/01/2013US8344140 18F-labelled folates
01/01/2013US8344002 Compound having β-secretase inhibitory activity
12/2012
12/27/2012US20120330027 Process for the preparation of 5-substituted 1-alkyltetrazoles
12/27/2012US20120330026 Process for the preparation of tetrazole derivatives from organo boron and organo aluminium azides
12/27/2012US20120329844 Valsartan salts
12/27/2012US20120329802 Metalloenzyme inhibitor compounds
12/27/2012US20120329772 Amino-tetrazoles analogues and methods of use
12/27/2012US20120328514 N-alkoxyamide conjugates as imaging agents
12/27/2012DE102011077853A1 Preparing thin film solar cell of copper, indium, gallium and selenium type, comprises applying coating liquid containing above elements dissolved in compound containing nitrogen/carbon on surface of cell substrate and annealing
12/26/2012EP2537834A2 Polyazamacrocyclic compound, and a production method and a biomedical use therefor
12/26/2012CN102844308A Tetrazolium compound for detecting microorganisms, reagent for detecting microorganisms and method for detecting microorganisms
12/26/2012CN102838556A Synthesis method of 2-(2-methoxy-4-nitrophenyl)-3-(4-nitrophenyl)-5-(2,4-disulfophenyl)-2H-tetrazole monosodium salt
12/25/2012US8338618 Antioxidant inflammation modulators: novel derivatives of oleanolic acid
12/20/2012US20120323011 Process and intermediate compounds useful in the preparation of statins
12/19/2012CN102827093A Di-hydrazino-s-tetrazine decahydro decaborate compound
12/19/2012CN102827092A 5-(1'-methyl)hydrazinotetrazolium and its metal salt derivative
12/18/2012CA2511214C Asthma and allergic inflammation modulators
12/12/2012CN102822151A Improved process for preparing valsartan
12/11/2012US8329919 Salt hydrates
12/06/2012WO2012165550A1 Cinnamic acid derivative, polymer thereof, and liquid crystal alignment layer comprising cured article thereof
12/06/2012WO2012129452A8 Propynoic acid carbamoyl methyl-amides and pharmaceutical compositions and methods based thereon
12/06/2012US20120309962 Process for the preparation of calcobutrol
12/06/2012US20120309944 Growth Hormones With Prolonged In-Vivo Efficacy
12/06/2012US20120309800 Metalloenzyme inhibitor compounds
12/06/2012US20120308588 Neprilysin inhibitors
12/04/2012US8324258 F1F0-ATPase inhibitors and related methods
12/04/2012US8324216 Substituted piperazines
11/2012
11/28/2012CN102803233A Method for preparation of carbamic acid (r)-1-aryl-2-tetrazolyl-ethyl ester
11/28/2012CN101774975B Ionic liquid catalysis ring-closure reaction method
11/28/2012CN101300013B [4-(6-halo-7-substituted-2,4-dioxo-1,4-dihydro-2h-quinazolin-3-yl)-phenyl]-5-chloro-thiophen-2-yl-sulfonylureas and forms and methods related thereto
11/27/2012CA2536954C C-kit modulators and methods of use
11/22/2012US20120295943 Cycloalkylamine derivatives
11/22/2012US20120294809 Lanthanoid complex capsule and particle contrast agents, methods of making and using thereof
11/21/2012CN102786487A Application of graphene in preparation of tetrazole compound as catalyst
11/21/2012CN101228138B Neurotherapeutic azole compounds
11/15/2012WO2012154249A1 Substituted aminobutyric derivatives as neprilysin inhibitors
11/14/2012CN102781909A N-alkoxyamide conjugates as imaging agents
11/14/2012CN102772807A High-water-solubility nuclear magnetic resonance imaging contrast agent and preparation method thereof
11/13/2012CA2569993C Novel antiviral macrocycle derivatives and metal complexes, incorporating bridged macrocycles
11/08/2012WO2012151539A2 Lanthanoid complex capsule and particle contrast agents, methods of making and using thereof
11/07/2012EP2519508A2 Metalloenzyme inhibitor compounds
11/06/2012US8304445 7-pyrazolyl tetracycline compounds and methods of use thereof
11/01/2012WO2012148148A2 Novel zinc azide complex and a process for preparing tetrazole derivatives using the same
11/01/2012WO2012147952A1 Cathode catalyst for air secondary battery and air secondary battery
11/01/2012US20120277421 Metal Complexes of Tetraazamacrocycle Derivatives
10/2012
10/31/2012EP2516407A1 Radiopharmaceutical complexes
10/31/2012CN102757395A Preparation method of biochemical detection reagent of chlorinated tetrazolium salts
10/31/2012CN102010276B Process for preparing microspherical and desensitized HMX through pneumatic spray refining
10/30/2012US8299269 Nor-seco-bis-nor-seco, tris-nor-seco, and higher nor-seco-cucurbit[n]uril compounds
10/30/2012US8299103 Compounds which selectively modulate the CB2 receptor
10/30/2012US8298324 Lead-free primary explosive composition
10/26/2012WO2012145361A1 Modulators of the gpr119 receptor and the treatment of disorders related thereto
10/26/2012WO2012143588A1 Fluorescent markers
10/26/2012WO2012143355A1 Preparation of high-purity gadobutrol
10/26/2012WO2012142702A1 Targeted contrast agents and uses thereof
10/26/2012CA2833659A1 Preparation of high-purity gadobutrol
10/26/2012CA2833587A1 Targeted contrast agents and uses thereof
10/24/2012CN102746247A Trinitroethyl energetic compound and preparation method thereof
10/24/2012CN101239943B Method for producing phthalocyanine compound and its intermediate, and intermediate compound for the same
10/17/2012CN102731425A Preparation method of zinc 5, 5'-azotetrazole
10/17/2012CN102731403A Insecticidal isoxazolines
10/16/2012US8288561 Process for preparing valsartan
10/16/2012US8288530 Method of preparing macromolecular contrast agents and uses thereof
10/11/2012US20120258043 Linkable Lewis X Analogs
10/10/2012EP2508503A1 Spiro compounds and pharmaceutical use thereof
10/10/2012CN101768128B Method for refining Valsartan containing more than 10% of isomer
10/10/2012CN101090739B 1,4-bis(carboxymethyl)-6-[bis(carboxymethyl)amino]-6-methyl-perhydro-1,4-diazepine (aazta) derivatives as ligands in high relaxivity contrast agents for use in magnetic resonance imaging (mri)
10/09/2012US8283473 Platinum complex compound and utilization of the same
10/04/2012US20120251560 Conjugated lipomers and uses thereof
10/03/2012CN102712606A Process for production of biphenyl derivative
10/03/2012CN102702132A Novel carbazole derivative and application in organic light-emitting diode device thereof
10/03/2012CN102702122A Method for preparing tetrazine by oxidizing dihydro tetrazine
10/03/2012CN102702121A New compound m-hydroxyphenyl tetrazine dicarbonamide, preparation and application thereof
10/03/2012CN102702120A New compound o-hydroxyphenyl tetrazine dicarbonamide, preparation and application thereof
10/03/2012CN102702119A Pharmaceutical combinations of an angiotensin receptor antagonist and an NEP inhibitor
10/03/2012CN102702118A Valsartan organic pharmaceutical co-crystal and preparation method thereof
10/03/2012CN102702117A Method for preparing 5-(4'-bromomethyl-2-biphenyl)-1-triphenyl methyl tetrazole
10/02/2012US8278467 Process and intermediate compounds useful in the preparation of statins
10/02/2012US8278341 Analogs of indole-3-carbinol and their use as agents against infection
10/02/2012US8278339 Valsartan salts
09/2012
09/27/2012WO2012129452A2 Propynoic acid carbamoyl methyl-almides and pharmaceutical compositions and methods based thereon
09/27/2012WO2012031298A3 Ethynylbenzene derivatives
09/26/2012EP2502919A1 Process for production of biphenyl derivative
09/26/2012EP2501683A1 Substituted carbamoylmethylamino acetic acid derivatives as novel nep inhibitors
09/25/2012US8273781 Process for preparation of 1-alkyl-5-benzoyl-1H-tetrazole derivatives
09/20/2012WO2012101011A3 New aryl-benzocycloalkyl amide derivatives
09/20/2012US20120238761 Process for the manufacture of organic compounds
09/13/2012WO2012120234A1 Exposure kit including a fluorescent agent and a cyanoacrylate, and method for the co-fumigation of a fluorescent agent and a cyanoacrylate
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