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Class Information
Number: 549/402
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 six-membered > Polycyclo ring system having the hetero ring as one of the cyclos > Bicyclo ring system having the hetero ring as one of the cyclos > The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring > Chalcogen bonded directly to the hetero ring > Chalcogen bonded directly to the ring carbon para to the ring oxygen (e.g., chromones, etc.) > Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring
Description: Compounds in which a -- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium), is bonded directly to the hetero ring.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8686154 Compounds and compositions for delivering active agents Apr. 1, 2014
8673966 ALDH-2 inhibitors in the treatment of addiction Mar. 18, 2014
8629197 Chemically patterned hydrogels, manufacture and use thereof Jan. 14, 2014
8461198 Use of acacetin and related compounds as potassium channel inhibitors Jun. 11, 2013
8263790 Method for enantioselective hydrogenation of chromenes Sep. 11, 2012
8178702 Composition, method of authenticating, methods of making authenticatable compositions, authenticatable articles made there from May. 15, 2012
8088935 Compounds and methods for the treatment of asthma Jan. 3, 2012
7960573 Method for enantioselective hydrogenation of chromenes Jun. 14, 2011
7932405 Halogenated ester derivatives of coumarins for the treatment of coagulation disorders Apr. 26, 2011
7851640 Catalytic enantioselective synthesis of flavanones and chromanones Dec. 14, 2010
7816544 Synthesis of rocaglamide natural products via photochemical generation of oxidopyrylium species Oct. 19, 2010
7795300 External preparation for skin Sep. 14, 2010
7638514 Pesticidally active phenol derivatives Dec. 29, 2009
7528267 Method for enantioselective hydrogenation of chromenes May. 5, 2009
7524883 Eponemycin and epoxomicin analogs and uses thereof Apr. 28, 2009
7368434 Compounds useful for the inhibition of ALDH May. 6, 2008
7141601 Dendrite elongation inhibitor for melanocyte and skin preparation for external use containing the same Nov. 28, 2006
7094914 Process for producing chromone compound Aug. 22, 2006
6818668 5-alkyl-7-alkylcarbonate-isoflavone ester and related method Nov. 16, 2004
6645997 Benzopyrancarboxylic acid derivatives for the treatment of diabetes and lipid disorders Nov. 11, 2003
6630506 Bicyclic acyl guanidine sodium/proton exchange inhibitors and method Oct. 7, 2003
6566508 Fluorogenic compounds and uses therefor May. 20, 2003
6552054 Chromone derivatives, process for the preparation of the same and uses thereof Apr. 22, 2003
6541613 Isoflavone derivatives Apr. 1, 2003
6372895 Fluorogenic compounds Apr. 16, 2002
6350431 Compounds Feb. 26, 2002
6331640 Diaminopropionic acid derivatives Dec. 18, 2001
6291518 Hydroxy and polyhydroxy derivatives of coumarin, preparation thereof and antiviral action thereof Sep. 18, 2001
6265423 Aromatic polycyclic retinoid-type derivatives, method for preparing same, and use thereof for making pharmaceutical and cosmetic compositions Jul. 24, 2001
6262108 Medicinal use of cromoglycic acid compounds Jul. 17, 2001
6225481 Robustaflavone, intermediates and analogues and method for preparation thereof May. 1, 2001
6218427 Chromene-3-carboxylate derivatives Apr. 17, 2001
6191289 Production process and intermediate of tetrazole compound Feb. 20, 2001
6066642 Dihydropyridine-, pyridine-, benzopyran-4-one- and triazoloquinazoline derivative, their preparation and their use as adenosine receptor antagonists May. 23, 2000
6051601 Benzopyran and benzo-fused compounds, their preparation and their use as leukotriene B4 (LTB4) antagonists Apr. 18, 2000
6004998 Flavonoid and biflavonoid derivatives, their pharmaceutical compositions, their anxiolytic activity Dec. 21, 1999
5990142 Benzopyran derivatives having leukotriene-antagonistic action Nov. 23, 1999
5919829 Gastrin and cck receptor ligands Jul. 6, 1999
5874593 Production process and intermediate of tetrazole compound Feb. 23, 1999
5851792 Aglucone isoflavone enriched vegetable protein whey whey protein material aglucone isoflavone material high genistein content material and high daidzein content material and process for produc Dec. 22, 1998
5827682 Two-step conversion of vegetable protein isoflavone conjugates to aglucones Oct. 27, 1998
5756538 Flavonoid and biflavonoid derivatives, their pharmaceutical compositions, their anxiolytic activity May. 26, 1998
5726034 Aglucone isoflavone enriched vegetable protein extract and protein material, and high genistein and daidzein content materials and process for producing the same Mar. 10, 1998
5672723 Process for preparation of 1-acyl-2-substituted hydrazines Sep. 30, 1997
5659051 Process of producing 2-cyano-4-oxo-4H-benzopyran compounds Aug. 19, 1997
5639783 Ketone derivatives Jun. 17, 1997
5508451 Process for the preparation of dialkali metal cromoglycates Apr. 16, 1996
5420307 2-amino-4-oxo-4H-benzopyrans, their preparataion and their use as antidotes May. 30, 1995
5352690 1,2,4-trioxygenated benzene derivatives useful as leukotriene antagonists Oct. 4, 1994
5348973 Resolution of hydroxychroman-2-carboxylic acid esters by enantiomeric hydrolysis Sep. 20, 1994

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