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Class Information
Number: 548/525
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 five-membered consisting of one nitrogen and four carbons (e.g., halopyrrolidines, etc.) > Additional hetero ring, which is attached directly or indirectly to the five-membered hetero ring by nonionic bonding > Polycyclo ring system which includes ring chalcogen
Description: Compounds which contain a polycyclo ring system which has a ring chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).










Sub-classes under this class:

Class Number Class Name Patents
548/526 Plural ring chalcogens in the polycyclo ring sytem (e.g., methylenedioxyphenyl containing, etc.) 363


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
8710244 Dyes and methods of marking biological material Apr. 29, 2014
8703810 Estrogen receptor modulators and uses thereof Apr. 22, 2014
8703938 Hepatitis C virus inhibitors Apr. 22, 2014
8642585 Indanyloxydihydrobenzofuranylacetic acids Feb. 4, 2014
8614237 Benzofuran-4,5-diones as selective peptide deformylase inhibitors Dec. 24, 2013
8586619 Agents of calcium ion channel modulators Nov. 19, 2013
8575197 Pyrolinone derivative and pharmaceutical composition comprising the same Nov. 5, 2013
8563596 Enantiomerically pure compounds for the treatment of proliferative disorders Oct. 22, 2013
8518874 HCV inhibitors Aug. 27, 2013
8466145 Dipeptidyl peptidase IV inhibitors Jun. 18, 2013
8450362 Amidine-containing compounds useful as muscarinic receptor antagonists May. 28, 2013
8436170 Xanthene dyes comprising a sulfonamide group May. 7, 2013
8404679 Pyrrolidine derivatives as NK2 receptor antagonists Mar. 26, 2013
8318953 Reactive coumarin derivatives and their use in cellular analyses Nov. 27, 2012
8309596 Kallikrein 7 modulators Nov. 13, 2012
8304449 Inhibitors of cyclin dependent kinases and their use Nov. 6, 2012
8273905 Aminoalkyl-amidomethyl-substituted 2-(4-sulphonylamino)-3-hydroxy-3,4-dihydro-2H-chroman-6-yl derivatives Sep. 25, 2012
8247427 Dual phase drug release system Aug. 21, 2012
8222274 Pyrrole derivative or salt thereof Jul. 17, 2012
8222255 Antifungal agents Jul. 17, 2012
8217032 Selective estrogen receptor modulators for the treatment of vasomotor symptoms Jul. 10, 2012
8153797 Chromen-2-one derivatives and their use as monoamine neurotransmitter re-uptake inhibitors Apr. 10, 2012
8153682 Sulfonamides as TRPM8 modulators Apr. 10, 2012
8148422 Sulfonamides as TRPM8 modulators Apr. 3, 2012
8129535 Alkyl ether derivatives or salts thereof Mar. 6, 2012
8084612 Proline analogs as ligands for cannabinoid receptors Dec. 27, 2011
8058454 Method for preparing 1,3-disubstituted pyrrolidine compounds Nov. 15, 2011
8039489 Guanidine-containing compounds useful as muscarinic receptor antagonists Oct. 18, 2011
8022203 Amino derivatives of beta-homoandrostanes and beta-heteroandrostanes Sep. 20, 2011
7973030 Benzothiazepine and benzothiepine compounds Jul. 5, 2011
7960385 Guanidine-containing compounds useful as muscarinic receptor antagonists Jun. 14, 2011
7951822 1,3-dihydroisobenzofuran derivatives May. 31, 2011
7923558 Method for obtaining pure tetrahydrocannabinol Apr. 12, 2011
7923562 Photocleavable linker methods and compositions Apr. 12, 2011
7919509 2-oxochromene derivatives Apr. 5, 2011
7915301 Inhibitors of cyclin dependent kinases and their use Mar. 29, 2011
7884127 Inhibitors of cyclin dependent kinases and their use Feb. 8, 2011
7872024 Benzothiophene hydroxamic acid derivatives with carbamate, urea, amide and sulfonamide substitutions Jan. 18, 2011
7858657 Wortmannin analogs and methods of using same in combination with chemotherapeutic agents Dec. 28, 2010
7834034 Benzothiophene derivatives Nov. 16, 2010
7834194 Cycloalkyl lactam derivatives as inhibitors of 11-beta-hydroxysteroid dehydrogenase 1 Nov. 16, 2010
7812178 Isoquinoline compound and pharmaceutical use thereof Oct. 12, 2010
7759389 Chroman derivatives and uses thereof Jul. 20, 2010
7745645 Sulfonamide derivatives of xanthene compounds Jun. 29, 2010
7737166 Antifungal bicyclic hetero ring compounds Jun. 15, 2010
7723375 Metabolites of wortmannin analogs and methods of using the same May. 25, 2010
7714150 Aminoalkyl-amidomethyl-substituted 2-(4-sulphonylamino)-3-hydroxy-3,4-dihydro-2H-chroman-6-yl derivatives May. 11, 2010
7700584 Curcumol derivatives, the compositions containing the said derivatives, and the use of the same in the manufacture of medicaments Apr. 20, 2010
7696350 Chromen-2-one derivatives and their use as monoamine neurotransmitter re-uptake inhibitors Apr. 13, 2010
7662977 PI-3 kinase inhibitor prodrugs Feb. 16, 2010

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