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Class Information
Number: 549/497
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) > Oxygen containing hetero ring (e.g., dioxirane, etc.) > The hetero ring is five-membered > Chalcogen attached indirectly to the hetero ring by nonionic bonding
Description: Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the hetero ring by nonionic bonding.


Sub-classes under this class:

Class Number Class Name Patents
549/502 Plural chalcogens attached indirectly to the hetero ring by nonionic bonding 116
549/503 Preparing by hydrogenation of furfural 19
549/498 The chalcogen, x, is in a -c(=x)- group 153


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7396843 5'-carbamoyl-1,1'-biphenyl-4-carboxamide derivatives and their use as p38 kinase inhibitors Jul. 8, 2008
7183297 Biphenyl-derivatives as p38-kinase inhibitors Feb. 27, 2007
7144909 Phenoxy substituted benzocondensed heteroaryl derivatives as thyroid receptor ligands Dec. 5, 2006
7132001 3-aminophenol derivatives and dyes that contain these compounds while serving to dye keratin fibers Nov. 7, 2006
7128764 M-aminophenol derivatives and coloring agents containing them Oct. 31, 2006
7122061 Agents for dyeing keratin fibers, containing 4-aminobiphenyl-3-ol-derivatives Oct. 17, 2006
7098201 Heteroaromatic derivatives having an inhibitory activity against HIV integrase Aug. 29, 2006
7091051 Chemiluminescence method of 1,2-dioxetane and composition for chemiluminescence Aug. 15, 2006
7087599 Estrogen receptor modulators Aug. 8, 2006
7019154 Process for the production of 5-benzyl-3-furfuryl alcohol Mar. 28, 2006
7015359 Vapor phase catalytic process for simultaneous furfural hydrogenation and cyclohexanol dehydrogenation Mar. 21, 2006
7012094 Substituted furans and furanones for the treatment of inflammation Mar. 14, 2006
6933091 Photoconductor for electrophotography and quinomethane compound Aug. 23, 2005
6903086 Alkoxycarbonylamino benzoic acid or alkoxycarbonylamino tetrazolyl phenyl derivatives as IP antagonists Jun. 7, 2005
6900160 Triazolo-epothilones May. 31, 2005
6897324 Process for the preparation of 11-oxaprostaglandins and intermediates therein May. 24, 2005
6887871 Use of phenylheteroakylamine derivatives May. 3, 2005
6878723 LTA4 hydrolase inhibitors Apr. 12, 2005
6852868 Processes for the preparation of 2-methylfuran and 2-methyltetrahydrofuran Feb. 8, 2005
6840965 P-aminophenols and colorants containing said compounds Jan. 11, 2005
6812354 Process for preparing 3-methyltetrahydrofuran Nov. 2, 2004
6737420 Compounds to treat Alzheimer's disease May. 18, 2004
6686348 Metalloprotease inhibitors Feb. 3, 2004
6677353 Substituted N-phenyl-N-heteroaralkyl aminoalcohol compounds useful for inhibiting cholesteryl ester transfer protein activity Jan. 13, 2004
6632963 Bicyclic aromatic compounds and pharmaceutical/cosmetic compositions comprised thereof Oct. 14, 2003
6624316 Method for obtaining 2-bromo-5-(2-bromo-2-nitrovinyl)-furan Sep. 23, 2003
6599924 2-hetaryl-3,4-dihydro-2H-pyrrole derivatives Jul. 29, 2003
6599934 3,4-diaryl thiopenes and analogs thereof having use as antiinflammatory agents Jul. 29, 2003
6586461 Prenyl transferase inhibitors Jul. 1, 2003
6570023 Process for preparing toluenesulfinates May. 27, 2003
6541475 .alpha., .beta.-unsaturated sulfones for treating proliferative disorders Apr. 1, 2003
6541647 Methods of synthesis of substituted tetrahydrofuran compound Apr. 1, 2003
6521765 Process for the preparation of 3-methyltetrahydrofuran Feb. 18, 2003
6518440 Hydroxymethylfurfural derived from cellulose contained in lignocellulose solids Feb. 11, 2003
6462207 Polyethylene glycol diene derivatives Oct. 8, 2002
6458803 Substituted N-phenyl-N-heteroaralkyl aminoalcohol compounds for inhibiting cholesteryl ester transfer protein activity Oct. 1, 2002
6452013 Gastrokinetic monocyclic benzamides of 3- or 4-substituted 4-(aminomethyl)-piperidine derivatives Sep. 17, 2002
6448416 Electron acceptors for polymeric thin film waveguide media Sep. 10, 2002
6420392 Compounds and methods for the treatment of cardiovascular, inflammatory and immune disorders Jul. 16, 2002
6420419 L-ascorbic acid 2-phosphate zinc salt and process for manufacturing the same Jul. 16, 2002
6369102 Substituted tetrahydrofuran analogs of prostaglandins as ocular hypotensives Apr. 9, 2002
6355814 Process for the preparation of 3-hydroxymethyl tetrahydrofuran Mar. 12, 2002
6307067 Palladium and boron co-catalyzed addition of oxygen nucleophiles to vinyl epoxides Oct. 23, 2001
6271425 Process for producing alcohols Aug. 7, 2001
6268513 Phosphine ligands metal complexes and compositions thereof for cross-coupling reactions Jul. 31, 2001
6225487 Ancillary ligands and metal complexes, catalysts and compositions using same and methods of testing May. 1, 2001
6197812 Substituted tetrahydrofuran analogs of prostaglandins as ocular hypotensives Mar. 6, 2001
6191292 Precursors of the A-ring of vitamin D and method and intermediates for the preparation thereof Feb. 20, 2001
6166074 Pharmaceutical compositions Dec. 26, 2000
6153757 Metalloproteinase inhibitors and intermediates useful for their preparation Nov. 28, 2000

1 2 3 4


 
 
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