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Class Information
Number: 544/239
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen as the only ring hetero atoms (class 540, subclass 1) > Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) > The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.) > Chalcogen bonded directly to ring carbon of a 1,2-diazine ring
Description: Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the six-membered hetero ring which has the two ring nitrogens in the 1- and 2-positions.


Sub-classes under this class:

Class Number Class Name Patents
544/241 Halogen attached directly to the 1,2-diazine ring by nonionic bonding 147
544/240 Plural chalcogens bonded directly 180


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
7553964 Cyclobutyl amine derivatives Jun. 30, 2009
7553972 Benzamide inhibitors of the P2X.sub.7 receptor Jun. 30, 2009
7517994 Heterocyclic inhibitors of MEK and methods of use thereof Apr. 14, 2009
7511038 Pyridazin-3(2H)-one derivatives and their use as PDE4 inhibitors Mar. 31, 2009
7491722 Pyridazin-3(2H)-one derivatives Feb. 17, 2009
7470690 4-(2-Fluorophenyl)-6-methyl-2-(1-piperazinyl)thieno[2,3-D)pyrimidine in the treatment of functional bowel disorder Dec. 30, 2008
7465736 Azole methylidene cyanide derivatives and their use as protein kinase modulators Dec. 16, 2008
7462613 Pyridazinone derivatives as pharmaceuticals and pharmaceutical compositions containing them Dec. 9, 2008
7459453 Pyridazin-3(2H)-one derivatives as PDE4 inhibitors Dec. 2, 2008
7452882 Thyroid hormone analogs Nov. 18, 2008
7449446 Combination product comprising melagatran and dexamethasone Nov. 11, 2008
7439242 PPAR.gamma. modulators Oct. 21, 2008
7388019 3-amino-4-phenylbutanoic acid derivatives as dipeptidyl peptidase inhibitors for the treatment or prevention of diabetes Jun. 17, 2008
7381725 Pyridazine derivatives as ligands for GABA receptors Jun. 3, 2008
7344702 Contrast agents for myocardial perfusion imaging Mar. 18, 2008
7335657 Cytokine inhibitors Feb. 26, 2008
7314933 Vanilloid receptor ligands and their use in treatments Jan. 1, 2008
7309701 Pyridazinone derivatives as pharmaceuticals and pharmaceutical compositions containing them Dec. 18, 2007
7301022 Vanilloid receptor ligands and their use in treatments Nov. 27, 2007
7300935 Thienopyrimidine compounds and use thereof Nov. 27, 2007
7291729 Process for preparing 3-aryloxy-phenylacetic acid compounds Nov. 6, 2007
7288542 Non-nucleoside reverse transcriptase inhibitors Oct. 30, 2007
7279574 Epoxy compound and cured epoxy resin product Oct. 9, 2007
7253169 Aza compounds, pharmaceutical compositions and methods of use Aug. 7, 2007
7211577 Water-soluble phenylpyridazine derivative and medicine containing the same May. 1, 2007
7189718 Non-nucleoside reverse transcriptase inhibitors Mar. 13, 2007
7176312 Kinase inhibitor scaffolds and methods for their preparation Feb. 13, 2007
7148221 Vanilloid receptor ligands and their use in treatments Dec. 12, 2006
7145005 2-(6-{2-[(2R)-2-Methyl-1-pyrrolidin-1-yl]-ethyl}-2-naphthalen-2-yl)-2H-pyr- idazin-3-one salts and their preparation Dec. 5, 2006
7125863 Inhibitors of dipeptidyl peptidase IV Oct. 24, 2006
7122680 3-Substituted oxindole .beta..sub.3 agonsists Oct. 17, 2006
7115591 Prostaglandin endoperoxide H synthase biosynthesis inhibitors Oct. 3, 2006
7109214 Substituted cyclopentene compounds Sep. 19, 2006
7087606 Water-soluble phenylpyridazine compounds and compositions containing the same Aug. 8, 2006
7074959 Methods and systems for remediating hydrazine-contaminated equipment and/or surfaces Jul. 11, 2006
7060425 Color photographic material Jun. 13, 2006
7037880 Ethylene derivatives and pesticides containing said derivatives May. 2, 2006
7012041 Phenylpyridazinones Mar. 14, 2006
6995261 4-pyridazinecarboxamides and esters as interleukin-1.beta. converting enzyme inhibitors Feb. 7, 2006
6962905 Pharmaceutical formulation comprising a low molecular weight thrombin inhibitor and its prodrug Nov. 8, 2005
6946462 N-monoacylated derivatives of o-phenylenediamines, their analogs and their use as pharmaceutical agents Sep. 20, 2005
6943179 Biurethane derivatives Sep. 13, 2005
6936597 Prodrugs of anticancer agents employing substituted aromatic acids Aug. 30, 2005
6933296 Compounds effective as .beta.2-adrenoreceptor agonists as well as PDE4-inhibitors Aug. 23, 2005
6924251 Substituted benzoylcyclohexandiones Aug. 2, 2005
6919323 Pyridazinone inhibitors of fatty acid binding protein and method Jul. 19, 2005
6878702 Anti-inflammatory agents Apr. 12, 2005
6872726 Fluorinated di-aryl urea compounds Mar. 29, 2005
6869954 Water-soluble phenylpyridazine compounds and compositions containing the same Mar. 22, 2005
6869953 N-monoacylated derivatives of o-phenylenediamines, their analogs and their use as pharmaceutical agents Mar. 22, 2005

1 2 3 4 5 6 7 8 9 10


 
 
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