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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
6794378 Heterocyclic compounds and medical use thereof Sep. 21, 2004
6787546 Heterocycle derivatives and drugs Sep. 7, 2004
6787650 Urea compounds, process for producing the same and use thereof Sep. 7, 2004
6756367 Benzo-oxadiazoles, -thiadiazoles and -1,4-diazines, pharmaceutical compositions containing them and a process for preparing them Jun. 29, 2004
6747151 Azo compounds for type I phototherapy Jun. 8, 2004
6737423 Substituted heterocyclo-norbornylamino derivatives, processes for their preparation, their use as medicaments or diagnostics, and medicaments comprising them May. 18, 2004
6734186 Compounds for the treatment of female sexual dysfunction May. 11, 2004
6720327 Lactone integrin antagonists Apr. 13, 2004
6710047 Phthalazines with angiogenesis inhibiting activity Mar. 23, 2004
6706920 Antistatic composition Mar. 16, 2004
6706743 .beta.3 adrenergic receptor agonists and uses thereof Mar. 16, 2004
6699979 Oligonucleotides having chiral phosphorus linkages Mar. 2, 2004
6699893 Glucocorticoid receptor modulators Mar. 2, 2004
6696446 Benzoylpyridazines, their preparation and use Feb. 24, 2004
6689781 Phenylalanine derivatives as alpha 4 integrin inhibitors Feb. 10, 2004
6677339 Phenylalanine derivatives Jan. 13, 2004
6670359 Substituted chroman derivatives Dec. 30, 2003
6667310 Substituted guanidine derivatives Dec. 23, 2003
6664256 Phenylpyridazine compounds and medicines containing the same Dec. 16, 2003
6653483 Alkyl or aryl substituted dihydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity Nov. 25, 2003
6653310 IL-8 receptor antagonists Nov. 25, 2003
6653302 Quinoline and quinazoline compounds useful in therapy Nov. 25, 2003
6649613 Diacylhydrazine derivatives Nov. 18, 2003
6645990 Thiazolyl urea compounds and methods of uses Nov. 11, 2003
6645992 Malonamid and malonamic ester derivatives with antithrombotic activity, their preparation, and their use Nov. 11, 2003
6635641 Amide compounds and pharmaceutical compositions for inhibiting protein kinases, and methods for their use Oct. 21, 2003
6635642 PARP inhibitors, pharmaceutical compositions comprising same, and methods of using same Oct. 21, 2003
6632942 Asymmetric synthesis of piperazic acid and derivatives thereof Oct. 14, 2003
6624166 Pyridazines as interleukin-1.beta. converting enzyme inhibitors Sep. 23, 2003
6620963 TRICYCLO[6.2.202,7]DODECA-2(7),3,5-TRIEN-4-CARBONYLAMINO-PHENYL AND TRICYCLO[6.2.202,7]DODECA-2(7),3,5-TRIEN-4-CARBONYLAMINO-HETEROARYL AND RELATED COMPOUNDS HAVING RAR.alpha. RECEPTOR SELECTI Sep. 16, 2003
6613718 Aryl ether derivatives and processes for their preparation and herbicidal and desiccant compositions containing them Sep. 2, 2003
6610846 Heteroaromatic glucokinase activators Aug. 26, 2003
6608077 Il-8 receptor antagonists Aug. 19, 2003
6579328 Transition-metal-catalyzed process for the preparation of sterically hindered N-substituted aryloxyamines Jun. 17, 2003
6573248 Monocyclic L-nucleosides, analogs and uses thereof Jun. 3, 2003
6570012 Derivatives of octahydro-6,10-dioxo-6H-pyridazino [1,2-a] [1,2] diazepine-1-carboxylic acid, their preparation process and their use in the preparation of therapeutically active compounds May. 27, 2003
6569860 Alkoxycarbonylamino heteroaryl carboxylic acid derivatives as IP antagonists May. 27, 2003
6562319 Radiolabeled irreversible inhibitors of epidermal growth factor receptor tyrosine kinase and their use in radioimaging and radiotherapy May. 13, 2003
6559100 2-benzoyl-cyclohexane-1,3-diones May. 6, 2003
6555690 Alkyl or aryl substituted dihydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity Apr. 29, 2003
6547841 Transition-metal-catalyzed process for the preparation of sterically hindered N-substituted alkoxy amines Apr. 15, 2003
6545152 R-isomers of nonnucleoside inhibitors Apr. 8, 2003
6541473 Resorcinol derivatives Apr. 1, 2003
6538010 Compounds and methods for promoting smoking cessation Mar. 25, 2003
6512111 Process for the preparation of bicyclic compounds and the use of this process for the preparation of an ice inhibitor compound Jan. 28, 2003
6492515 4,4-disubstituted-1, 4-dihydro-2H-3, 1-benzoxazin-2-ones useful as HIV reverse transcriptase inhibitors and intermediates and processes for making the same Dec. 10, 2002
6485704 Azo compound for type I pototherapy Nov. 26, 2002
6482859 Microbicidal N-sulfonylglycin alkynyloxyphenethyl amide derivatives Nov. 19, 2002
6465647 Oxygen, sulfur and nitrogen substituted cyclohexene and cyclohexane derivatives having retinoid-like biological activity Oct. 15, 2002
6465646 1-alkoxy and 1-acyloxy substituted cyclohex-1-ene compounds and sulfur and 1-alkoxycarbonyl analogs having retinoid-like biological activity Oct. 15, 2002

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