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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
8710056 Pyridazine compounds for controlling invertebrate pests Apr. 29, 2014
8658790 Stereoselective synthesis of bicyclic heterocycles Feb. 25, 2014
8658644 Pyridazine derivatives, processes for their preparation and their use as fungicides Feb. 25, 2014
8637496 Compounds having a monogalactosyldiacylglycerol synthase inhibitory activity as herbicide or algaecide, herbicide and algaecide compositions Jan. 28, 2014
8637673 Method for producing 2,2-difluoroethylamine derivatives by imine hydrogenation Jan. 28, 2014
8624027 Combination therapy for treating cancer and diagnostic assays for use therein Jan. 7, 2014
8598174 Pyridazinones, method of making, and method of use thereof Dec. 3, 2013
8586736 Perimidine-based squarylium dye, dye-containing composition, and image-forming material Nov. 19, 2013
8575183 Heterocyclic compounds and their uses Nov. 5, 2013
8569303 Diamine derivatives as inhibitors of leukotriene A4 hydrolase Oct. 29, 2013
8552201 5, 6-bisaryl-2-pyridine-carboxamide derivatives, preparation and application thereof in therapeutics as urotensin II receptor antagonists Oct. 8, 2013
8552182 Method for producing a 3-(substituted-oxy)-4-pyridazinol derivative Oct. 8, 2013
8551995 Kinase inhibitor compounds Oct. 8, 2013
8541414 Pyridazinone compound and use thereof as herbicides Sep. 24, 2013
8541433 Combination comprising macitentan and paclitaxel for treating multi-drug resistant ovarian cancer Sep. 24, 2013
8541423 Methods and compositions for treating pain Sep. 24, 2013
8530472 Ethynyl derivatives Sep. 10, 2013
8524936 Manufacturing process for sitagliptin from L-aspartic acid Sep. 3, 2013
8524760 HCV protease inhibitors and uses thereof Sep. 3, 2013
8524896 Chemical compounds Sep. 3, 2013
8518371 Hypoxia-selective, weakly basic 2-nitroimidazole delivery agents and methods of use thereof Aug. 27, 2013
8507499 Substituted indole/indazole-pyrimidinyl compounds Aug. 13, 2013
8501760 Pharmaceutical compositions comprising nilotinib or its salt Aug. 6, 2013
RE44354 Amyloid plaque aggregation inhibitors and diagnostic imaging agents Jul. 9, 2013
RE44338 Amyloid plaque aggregation inhibitors and diagnostic imaging agents Jul. 2, 2013
8470738 Pyridazinone compound and herbicide containing the same Jun. 25, 2013
8466151 Compounds and method for treatment of cancer Jun. 18, 2013
8450485 Organic compound, benzoxazole derivative, and light-emitting element, light-emitting device, and electronic device using benzoxazole derivative May. 28, 2013
8440666 Pyridazinone compounds and P2X7 receptor inhibitors May. 14, 2013
8436002 AKT inhibitors May. 7, 2013
8431575 Phenyl-heteroaryl derivatives and methods of use thereof Apr. 30, 2013
8425990 Liquid crystalline compound, liquid crystalline composition, optical film, and optical laminate Apr. 23, 2013
8410026 Pyridazine fungicides Apr. 2, 2013
8399468 Octahydro-pyrrolo[3,4-B]pyrrole derivatives Mar. 19, 2013
8394834 Pyrrolidines as NK3 receptor antagonists Mar. 12, 2013
8377962 Macrocyclic serine protease inhibitors Feb. 19, 2013
8378097 3-(1,3-benzodioxol-5-yl)-6-(4-cyclopropylpiperazin-1-yl)-pyridazine, its salts and solvates and its use as histamine H3 receptor antagonist Feb. 19, 2013
8372991 Trisubstituted thiophenes that modulate intracellular calcium Feb. 12, 2013
8372849 Heterocyclic compounds Feb. 12, 2013
8372840 Potassium channel blockers Feb. 12, 2013
8372838 Compounds as bradykinin B1 antagonists Feb. 12, 2013
8367668 Pyridazinone derivatives Feb. 5, 2013
8343967 Apoptosis-inducing agents for the treatment of cancer and immune and autoimmune diseases Jan. 1, 2013
8324393 Method for producing 2,2-difluoroethylamine derivatives by imine hydrogenation Dec. 4, 2012
8324373 Highly stereoselective process for preparing gemcitabine and intermediates thereof Dec. 4, 2012
8324199 Pyridazine derivatives as factor xia inhibitors Dec. 4, 2012
8318759 Pyrrolidine derivatives as NK3 receptor antagonists Nov. 27, 2012
8309740 One-pot synthesis of fluorinated ionic liquids Nov. 13, 2012
8293756 Pharmaceutical compositions comprising nilotinib hydrochloride monohydrate Oct. 23, 2012
8293899 Process for reducing 3-heteroaryl-3-oxopropionic acid derivatives Oct. 23, 2012

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










 
 
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