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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
7074836 Para-terphenyl compounds Jul. 11, 2006
7074867 Ion conducting polymers Jul. 11, 2006
7067517 Use of compounds for decreasing activity of hormone-sensitive lipase Jun. 27, 2006
7060664 Organic compounds Jun. 13, 2006
7049438 Quinazoline derivatives for treatment of tumours May. 23, 2006
7045624 Compounds and their uses May. 16, 2006
7034022 Hexahydropyridazine-3-carboxylic acid derivatives, pharmaceutical compositions containing same and methods of preparation Apr. 25, 2006
7030111 Compounds that abrogate DNA-damage-induced cell cycle G2 checkpoint and/or augment the anti-cancer activity of DNA damaging treatments Apr. 18, 2006
7030239 Compounds to treat Alzheimer's disease Apr. 18, 2006
7026061 Organic electroluminescent material and organic electroluminescent element by using the same Apr. 11, 2006
7026478 Iron catalyzed cross coupling reactions of aromatic compounds Apr. 11, 2006
7026479 Process for the production of quinazolines Apr. 11, 2006
7022852 Process for preparing inhibitors of nucleoside metabolism Apr. 4, 2006
7022849 Quinazoline and pyrido[2,3-d]pyrimidine inhibitors of phosphodiesterase (PDE) 7 Apr. 4, 2006
7019006 Compounds useful as anti-inflammatory agents Mar. 28, 2006
7012077 Substituted cyclohexane derivatives Mar. 14, 2006
7011817 Hydrophilic cyanine dyes Mar. 14, 2006
7005521 Catalytic compositions and methods for asymmetric allylic alkylation Feb. 28, 2006
6995261 4-pyridazinecarboxamides and esters as interleukin-1.beta. converting enzyme inhibitors Feb. 7, 2006
6974485 Use of an extract of Myrsine africana in oxidation dyeing for dyeing keratin fibres Dec. 13, 2005
6972297 2-Hydroxy-mutilin carbamate derivatives for antibacterial use Dec. 6, 2005
6962999 Process for preparing unsymmetrical biaryls and alkylated aromatic compounds from arylnitriles Nov. 8, 2005
6958395 Method for producing water-soluble saccharide conjugates and saccharide mimetics by Diels-Alder reaction Oct. 25, 2005
6956109 Ceramide analogs, process for their preparation and their use as antitumor agents Oct. 18, 2005
6951936 Probe for detecting a highly ordered structural site of a single stranded nucleic acid of a gene, and a method and a device for detecting the same Oct. 4, 2005
6943170 N-cycloalkylglycines as HIV protease inhibitors Sep. 13, 2005
6930093 Use of ribofuranose derivatives against inflammatory bowel diseases Aug. 16, 2005
6916345 6-alkoxy-2,3-diaminopyridine couplers for dyeing keratin fibres Jul. 12, 2005
6911439 Heteroaryl, heterocyclic and aryl compounds which inhibit leukocyte adhesion mediated by VLA-4 Jun. 28, 2005
6900196 Serine protease inhibitors May. 31, 2005
6894065 Thrombin receptor antagonists May. 17, 2005
6893471 Dyeing composition for keratinous fibers comprising a particular dicationic diazo dye May. 17, 2005
6893650 N2-phenylamidine derivatives May. 17, 2005
6887994 C-nitroso compounds and use thereof May. 3, 2005
6861514 Nucleosidic and non-nucleosidic folate conjugates Mar. 1, 2005
6849733 Neuropeptide-Y ligands Feb. 1, 2005
6846820 Substituted N-(indole-2-carbonyl) -amides and derivatives as glycogen phosphorylase inhibitors Jan. 25, 2005
6846915 Hydroxypyridonate and hydroxypyrimidinone chelating agents Jan. 25, 2005
6844433 Nucleic acid labeling compounds Jan. 18, 2005
6838560 Process for manufacturing morpholino-nucleotides, and use thereof for the analysis of and labelling of nucleic acid sequences Jan. 4, 2005
6831075 Heterocyclic substituted pyrazolones Dec. 14, 2004
6825185 Substituted aryl compounds as novel cyclooxygenase-2 selective inhibitors, compositions and methods of use Nov. 30, 2004
6818775 Alkyl or aryl substituted dihydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity Nov. 16, 2004
6809091 Substances capable of inducing apoptosis Oct. 26, 2004
6803463 Process for the preparation of pyrazolopyridine derivatives Oct. 12, 2004
6803370 Alpha amino acid derivatives--inhibitors of leukocyte adhesion mediated by VLA-4 Oct. 12, 2004
6800758 Process for the preparation of a 3(2H)-pyridazinone-4- substituted amino 5-chloro derivative Oct. 5, 2004
6797706 Heterocyclecarboxamide derivative Sep. 28, 2004
6794380 Amide derivatives Sep. 21, 2004
6794377 Ortho, ortho-substituted nitrogen-containing bisaryl compounds, processes for their preparation, their use as medicaments, and pharmaceutical preparation comprising them Sep. 21, 2004

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