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.) > Six-membered hetero ring consists of oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc) > 1,4-oxazines > Patents

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Class Information
Number: 544/98
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.) > Six-membered hetero ring consists of oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc) > 1,4-oxazines
Description: Compounds wherein the six-membered hetero ring has oxygen in the 1-position, nitrogen in the 4-position and carbons in the remaining four positions.

Sub-classes under this class:

Class Number	Class Name	Patents
544/106	Morpholines (i.e., fully hydrogenated 1,4-oxazines	577
544/99	Polycyclo ring system having the oxazine ring as one of the cyclos	188

Patents under this class:

1 2 3

Patent Number	Title Of Patent	Date Issued
8399459	1,4 oxazines as BACE1 and/or BACE2 inhibitors	Mar. 19, 2013
8372833	Urea derivative	Feb. 12, 2013
7947675	Trifluoromethylbenzamide derivatives and therapeutic uses thereof	May. 24, 2011
7939537	HIV integrase inhibitors	May. 10, 2011
7807669	Biaromatic compounds which activate PPAR.gamma. type receptors and cosmetic/pharmaceutical compositions comprised thereof	Oct. 5, 2010
7772225	N-sulfamoyl-piperidineamides for the treatment or inhibition of obesity and related conditions	Aug. 10, 2010
7763602	Pyrrole derivatives as antimycobacterial compounds	Jul. 27, 2010
7659280	2,4-pyrimidinediamine compounds for treating or preventing autoimmune diseases	Feb. 9, 2010
7605261	Urea derivatives, method for preparing same, use thereof as medicines, pharmaceutical compositions and novel use	Oct. 20, 2009
7572793	3-Substituted-4-pyrimidone derivatives	Aug. 11, 2009
7569687	Processes for the synthesis of rocuronium bromide	Aug. 4, 2009
7550461	Benzofuran and benzothiophene compounds useful in treating cytokine mediated diseases	Jun. 23, 2009
7531651	Benzenesulphonate salt of a morpholine urea derivative for use as a CCR-3 antagonist in the treatment of inflammatory conditions	May. 12, 2009
7511034	Dialkylhydroxybenzoic acid derivatives containing metal chelating groups and their therapeutic uses	Mar. 31, 2009
7507817	Prostaglandin prodrugs	Mar. 24, 2009
7452878	Biaromatic compounds which activate PPAR.gamma. type receptors and cosmetic/pharmaceutical compositions comprised thereof	Nov. 18, 2008
7446210	Factor Xa compounds	Nov. 4, 2008
7371746	1,2,4-Thiadiazole compounds and pests controlling composition containing the same	May. 13, 2008
7285568	Biaromatic compounds which activate PPARgamma type receptors and cosmetic/pharmaceutical compositions comprised thereof	Oct. 23, 2007
7256191	Materials and methods for the treatment of depression	Aug. 14, 2007
7229988	Dialkylhydroxybenzoic acid derivatives containing metal chelating groups and their therapeutic uses	Jun. 12, 2007
7166609	Pyrimidine-4,6-dicarboxylic acid diamides for selectively inhibiting collagenases	Jan. 23, 2007
7112684	Compounds and methods for fluorescent labeling	Sep. 26, 2006
7041668	Substituted benzimidazole compounds and their use for the treatment of cancer	May. 9, 2006
6777403	Method and structure for inhibiting activity of serine elastases	Aug. 17, 2004
6743564	Amine compounds, resist compositions and patterning process	Jun. 1, 2004
6730668	6,7-dihydro-5H-pyrazolo[1,2-a]pyrazol-1-ones which control inflammatory cytokines	May. 4, 2004
6727244	Mammalian metabolites of a tachykinin receptor antagonist	Apr. 27, 2004
6660466	Di-nitrogen heterocycle compositions	Dec. 9, 2003
6624171	Substituted aza-oxindole derivatives	Sep. 23, 2003
6624176	Heteroaromatic substituted amides with antagonistic activity to neurokinin 1 receptors	Sep. 23, 2003
6608070	2,3-substituted indole compounds as anti-inflammatory and analgesic agents	Aug. 19, 2003
6576762	Heteroaromatic substituted amides with antagonistic activity to neurokinin 1 receptors	Jun. 10, 2003
6576628	3-aryl-succinamido-hydroxamic acids, methods for producing said acids and medicaments containing the same	Jun. 10, 2003
6531471	Morpholinone and morpholine derivatives and uses thereof	Mar. 11, 2003
6465684	Process for the separation of a mixture of enantiomers	Oct. 15, 2002
6444809	Therapeutic heterocycles	Sep. 3, 2002
6388127	Process for preparing cyclic thioamides	May. 14, 2002
6362182	Morpholinone and morpholine derivatives and uses thereof	Mar. 26, 2002
6271235	HIV protease inhibitors	Aug. 7, 2001
6235927	Process for the separation of a mixture of enantiomers	May. 22, 2001
6218390	Morpholinone and morpholine derivatives and uses thereof	Apr. 17, 2001
6177422	Benzoxazinone dopamine D4 receptor antagonists	Jan. 23, 2001
6140500	Red-emitting [8,9]benzophenoxazine nucleic acid dyes and methods for their use	Oct. 31, 2000
6140326	Morpholinones as light stabilizers	Oct. 31, 2000
6022870	Fungicidal cyclic amides	Feb. 8, 2000
5962437	Lipid analogs for treating viral infections	Oct. 5, 1999
5958663	Color-photographic recording material	Sep. 28, 1999
5886175	7-(substituted)-8-(substituted)-9-(substitued amino)-6-demethyl-6-deoxytetracyclines	Mar. 23, 1999
5877278	Synthesis of N-substituted oligomers	Mar. 2, 1999