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Class Information
Number: 544/224
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.)
Description: Compounds in which the six-membered hetero ring consists of two ring nitrogens and four ring carbons.










Sub-classes under this class:

Class Number Class Name Patents
544/225 Heavy metal or aluminum containing 382
544/229 Boron or silicon containing 429
544/230 Spiro 403
544/232 Phosphorus attached directly or indirectly to a 1,2-diazine ring by nonionic bonding 165
544/233 Polycyclo ring system having a 1,2-diazine ring as one of the cyclos 149
544/238 1,2-diazines which contain an additional hetero ring 1,958
544/239 Chalcogen bonded directly to ring carbon of a 1,2-diazine ring 515
544/242 1,3-diazines 963
544/336 1,4-diazines 975


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
7250511 Process for the preparation of cyclopenta[g]quinazoline derivatives Jul. 31, 2007
7241760 Heteroaryl-substituted imidazole derivatives Jul. 10, 2007
7238717 CCR9 inhibitors and methods of use thereof Jul. 3, 2007
7232467 Method of coloring porous material Jun. 19, 2007
7232821 (2-((2-alkoxy)-phenyl) -cyclopent-1enyl) aromatic carbo and heterocyclic acid and derivatives Jun. 19, 2007
7229993 Aryl substituted pyrimidines and the use thereof Jun. 12, 2007
7229479 Method of coloring porous material Jun. 12, 2007
7223758 Pyridazine derivative, pharmaceutical composition thereof, its pharmaceutical use, and process for its preparation May. 29, 2007
7220856 Substituted quinoline CCR5 receptor antagonists May. 22, 2007
7220783 Para-terphenyl compounds May. 22, 2007
7220735 Benzimidazolone histamine H.sub.3 antagonists May. 22, 2007
7217714 CCR5 modulators May. 15, 2007
7214800 Compounds, compositions, and methods May. 8, 2007
7205408 Quinolines and nitrogenated derivative thereof substituted in 4-position by a piperidine-containing moiety and their use as antibacterial agents Apr. 17, 2007
7202247 1,3-bis-(substituted-phenyl)-2-propyn-1-ones and their use to treat disorders Apr. 10, 2007
7202244 Chk-1 inhibitors Apr. 10, 2007
7196084 Cdc25 phosphatase inhibitors Mar. 27, 2007
7192953 Antibacterial agents Mar. 20, 2007
7189715 Compositions comprising zopiclone derivatives and methods of making and using the same Mar. 13, 2007
7189755 Pyrrolidine melanocortin-specific compounds Mar. 13, 2007
7186834 Substituted iminoazines Mar. 6, 2007
7182934 Contrast agents Feb. 27, 2007
7179307 Use of an extract of myrsine africana in oxidation dyeing for dyeing keratin fibres Feb. 20, 2007
7176312 Kinase inhibitor scaffolds and methods for their preparation Feb. 13, 2007
7172749 Radiolabeled irreversible inhibitors of epidermal growth factor receptor tyrosine kinase and their use in radioimaging and radiotherapy Feb. 6, 2007
7169325 Liquid crystalline compound, liquid crystalline composition and retardation film Jan. 30, 2007
7166593 Glucocorticoid receptor modulators Jan. 23, 2007
7160896 Therapeutic acridone and acridine compounds Jan. 9, 2007
7153857 Arylpiperazines and arylpiperidines and their use as metalloproteinase inhibiting agents Dec. 26, 2006
7145004 Method for the production of monohydro-perfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates Dec. 5, 2006
7141572 Hydrazono-malonitriles Nov. 28, 2006
7135471 Aryl oximes Nov. 14, 2006
7132418 Peptidyl heterocyclic ketones useful as tryptase inhibitors Nov. 7, 2006
7132420 Aspartic protease inhibitors Nov. 7, 2006
7132535 Process for preparing hexahydropyridazine-3-carboxylic acid derivatives Nov. 7, 2006
7129241 Pyridazine derivatives Oct. 31, 2006
7119111 2-oxo-1,3,4-trihydroquinazolinyl derivatives and methods of use Oct. 10, 2006
7115611 Phenyl derivatives, their manufacture and use as pharmaceutical agents Oct. 3, 2006
7105505 Benzimidazole derivatives useful as histamine H3 antagonists Sep. 12, 2006
7105661 Process for manufacturing morpholino-nucleotides, and use thereof for the analysis of and labelling of nucleic acid sequences Sep. 12, 2006
7101883 Uracil derivatives as inhibitors of TNF-.alpha. converting enzyme (TACE) and matrix metalloproteinases Sep. 5, 2006
7101915 P-terphenyl compounds Sep. 5, 2006
7094783 Bicyclic pyrimidinones as coagulation cascade inhibitors Aug. 22, 2006
7091204 Sulfonamides Aug. 15, 2006
7091344 Infrared chromophores Aug. 15, 2006
7081526 Process for manufacturing morpholino-nucleotides, and use thereof for the analysis of and labelling of nucleic acid sequences Jul. 25, 2006
7081459 Gonadotropin-releasing hormone receptor antagonists and methods relating thereto Jul. 25, 2006
7078403 Antiviral agents Jul. 18, 2006
7077872 Oxidation hair dyes containing 3-aminophenol derivatives, and novel 3-aminophenol derivatives Jul. 18, 2006
7074793 Cyclic substituted fused pyrrolocarbazoles and isoindolones Jul. 11, 2006

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17










 
 
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