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Class Information
Number: 514/259.2
Name: Drug, bio-affecting and body treating compositions > Designated organic active ingredient containing (doai) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., o,s,se or te) or nitrogen as the only ring hetero atoms doai > Hetero ring is six-membered consisting of two nitrogens and four carbon atoms (e.g., pyridazines, etc.) > 1,3-diazines (e.g., pyrimidines, etc.) > Polycyclo ring system having 1,3-diazine as one of the cyclos > Bicyclo ring system having the 1,3-diazine as one of the cyclos > A ring nitrogen is shared by the two cyclos of the bicyclo ring system (e.g., pyrrolo [1,2-a]pyrimidine, imidazo[1,2-a]pyrimidine, etc.) > Ring chalcogen in the bicyclo ring system
Description: Subject matter wherein the ring that shares a ring nitrogen with the 1,3-diazine ring contains a ring chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).










Patents under this class:
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Patent Number Title Of Patent Date Issued
8642603 Substituted dihydro and tetrahydro oxazolopyrimidinones, preparation and use thereof Feb. 4, 2014
8518955 Fused pyrimidineone compounds as TRPV3 modulators Aug. 27, 2013
8372808 Suppression of glial fibrillary acidic protein Feb. 12, 2013
8349845 Thiazolopyrimidines for use in therapy Jan. 8, 2013
8119647 Fused pyrimidineone compounds as TRPV3 modulators Feb. 21, 2012
7388005 Substituted 2-pyrimidinyl-6,7,8,9-tetrahydropyrimido[1,2-a]pyrimidin-4-one and 7-pyrimidinyl-2,3-dihydroimidazo [1,2-a]pyrimidin-5(1H)one derivatives for neurodegenerative disorders Jun. 17, 2008
7192948 Bicyclic heterocycles as HIV integrase inhibitors Mar. 20, 2007
7141564 Nitrogen-containing bicyclic heterocycles for use as antibacterials Nov. 28, 2006
6900216 Dihydroimidazo[2,1-b]thiazole and dihydro-5h-thiazolo[3,2-A]pyrimidines as antidepressant agents May. 31, 2005
6838462 Insecticidal azoles Jan. 4, 2005
6833371 Pyrazolopyrimidines Dec. 21, 2004
6828326 Pyrimidinone fused bicyclic metalloproteinase inhibitors Dec. 7, 2004
6800628 N-substituted 4-((-4'-aminobenzoyl)-oxymethyl)-piperidines having gastric prokinetic properties Oct. 5, 2004
6747032 Pyrimidin-4-one compounds Jun. 8, 2004
6740656 Gonadotropin-releasing hormone receptor antagonists and methods relating thereto May. 25, 2004
6740654 Squaric acid derivatives May. 25, 2004
6696443 Piperidine/piperazine-type inhibitors of p38 kinase Feb. 24, 2004
6670365 Substituted imidazo 1,2a}azines as selective inhibitors of cox-2 Dec. 30, 2003
6635643 Bicyclic benzamides of 3- or 4-substituted 4-(aminomethyl)-piperidine derivatives Oct. 21, 2003
6583146 Thiazolopyrimidine compounds, its production and use Jun. 24, 2003
6525056 Heterocyclyl-substituted ring-fused pyridines and pyrimidines as corticotropin releasing hormone (CRH) antagonists, useful for treating cns and stress-related disorders Feb. 25, 2003
6348457 4-[3-benzofuranyl]piperidinyl and 4-[3-benzothienyl]piperidinyl derivatives Feb. 19, 2002
6303614 Tetrahydro gamma-carbolines Oct. 16, 2001
6291481 N-substituted 4-(4'-aminobenzoyl)-oxymethyl)-piperidines having gastric prokinetic properties Sep. 18, 2001
6187802 Substituted 4-arylmethylene-2-imino-2,3-dihydrothiazoles and derivatives and their pharmaceutical use Feb. 13, 2001
6110921 Microencapsulated 3-piperidinyl-substituted 1,2-benzisoxazoles and 1,2-benzisothiazoles Aug. 29, 2000
6096761 Esters of 3-hydroxy-piperidinemethanol derivatives Aug. 1, 2000
6057325 Hexahydro-pyrido(4,3-b)indole derivatives as antipsychotic drugs May. 2, 2000
5958931 Phenyl-substituted 5H-thiazolo[3,2-A]pyrimidine derivative glutamate receptor antagonists Sep. 28, 1999
5929114 Arylthio compounds Jul. 27, 1999
5919788 4-(1H-indol-1-yl)-1-piperidinyl derivatives Jul. 6, 1999
5908844 N-substituted azabicycloalkane derivatives, their preparation and use Jun. 1, 1999
5869492 Condensed thiazole derivatives, having 5-HT receptor affinity Feb. 9, 1999
5798361 5H-thiazolo[3,2-a]pyrimidin-5-one derivatives Aug. 25, 1998
5770231 Microencapsulated 3-piperidinyl-substituted 1,2-benzisoxazoles 1,2-benzisothiazoles Jun. 23, 1998
5688801 Method of inhibiting neurotransmitter activity using microencapsulated 3-piperidiny2-substituted 1,2-benzisoxazoles and 1,2-benzisothiazoles Nov. 18, 1997
5610157 N-(3-hydroxy-4-piperidinyl) (dihydrobenzofuran, dihydro-2H-benzopyran or dihydrobenzo-dioxin) carboxamide derivatives Mar. 11, 1997
5599813 Thiazolopyrimidine derivatives Feb. 4, 1997
5532243 Antipsychotic nitrogen-containing bicyclic compounds Jul. 2, 1996
5397782 Method of treating addiction to alcohol Mar. 14, 1995
5321028 Antihypertensive 3-piperidinyl-indazole derivatives Jun. 14, 1994
5300509 2-furyl-oxazolo[5,4-d]-pyrimidines Apr. 5, 1994
5272150 Hydroxyalkylfuranyl derivatives Dec. 21, 1993
5262418 N-(4-piperidinyl) (dihydroxybenzofuran or dihydro-2H-benzopyran)carboxamide derivatives Nov. 16, 1993
5196425 Antihypertensive 3-piperidinyl-indazole derivatives Mar. 23, 1993
5082838 Sulfur-containing fused pyrimidine derivatives, their production and use Jan. 21, 1992
4996208 Pesticidal thiazolopyrimidine derivatives Feb. 26, 1991
4985432 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and agricultural-horticultural fungicide composition containing the same Jan. 15, 1991
4971971 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and functional compositions containing the same Nov. 20, 1990
4921854 Condensed thiazolopyrimidine, pyrimido-thiazine or thiazepine pyrimidine compounds May. 1, 1990

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