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) > 1,3-oxazines > Patents

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Class Information
Number: 544/88
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) > 1,3-oxazines
Description: Compounds wherein the six-membered hetero ring has oxygen in the 1-position, nitrogen in the 3-position and carbons in the remaining four positions.

Sub-classes under this class:

Class Number	Class Name	Patents
544/96	Additional hetero ring containing	298
544/97	Chalcogen bonded directly to the oxazine ring	111
544/89	Polycyclo ring system having the oxazine ring as one of the cyclos	76

Patents under this class:

1 2 3

Patent Number	Title Of Patent	Date Issued
7332511	Vanilloid receptor ligands and their use in treatments	Feb. 19, 2008
7279582	Retroviral protease inhibiting compounds	Oct. 9, 2007
7262294	Photochromatic pyrano-1,3-oxazinonaphthalene derivatives	Aug. 28, 2007
7166609	Pyrimidine-4,6-dicarboxylic acid diamides for selectively inhibiting collagenases	Jan. 23, 2007
7163748	Method for making solid, ungelled aminoplast crosslinkers	Jan. 16, 2007
7053138	Flame-proofing agents	May. 30, 2006
6924251	Substituted benzoylcyclohexandiones	Aug. 2, 2005
6900161	Azole or triazole derivatives, method for preparing same and use thereof as fungicides	May. 31, 2005
6780856	Towards increased shelf life for cobalt(III) schiff base complexes	Aug. 24, 2004
6777404	Use of corticotropin releasing factor antagonists and related compositions	Aug. 17, 2004
6759402	Cyclic felbamate derived compounds	Jul. 6, 2004
6699898	Substituted N,N-disubstituted non-fused heterocyclo amino compounds useful for inhibiting cholesteryl ester transfer protein activity	Mar. 2, 2004
6673804	Sulfonamide derivatives	Jan. 6, 2004
6663972	Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers	Dec. 16, 2003
6642379	Benzamide derivatives, insecticides for agricultural and horticultural use and usage thereof	Nov. 4, 2003
6576628	3-aryl-succinamido-hydroxamic acids, methods for producing said acids and medicaments containing the same	Jun. 10, 2003
6559100	2-benzoyl-cyclohexane-1,3-diones	May. 6, 2003
6534492	Uracil substituted phenyl sulfamoyl carboxamides	Mar. 18, 2003
6472529	Retroviral protease inhibiting compounds	Oct. 29, 2002
6469000	1,3-diheterocyclic metalloprotease inhibitors	Oct. 22, 2002
6451830	Use of substituted N,N-disubstituted non-fused heterocyclo amino compounds for inhibiting cholesteryl ester transfer protein activity	Sep. 17, 2002
6448286	Imino pyrrolidine derivatives useful as nitric oxide synthase inhibitors	Sep. 10, 2002
6433124	Reactive polymers and isocyanate-reactive polymers obtainable therefrom	Aug. 13, 2002
6417353	Preparing amines	Jul. 9, 2002
6358980	Alkynyl containing hydroxamic acid compounds as matrix metalloproteinase/tace inhibitors	Mar. 19, 2002
6358982	Heterocyclyl sulphonamide derivatives	Mar. 19, 2002
6316109	Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers	Nov. 13, 2001
6281228	Heterocyclic inhibitors of microsomal triglyceride transfer protein and method	Aug. 28, 2001
6271235	HIV protease inhibitors	Aug. 7, 2001
6235901	Oxazoline or oxazine acetoacetate aqueous coating compositions	May. 22, 2001
6166010	Azine derivatives	Dec. 26, 2000
6150532	Modulators of proteins with phosphotyrosine recognition units	Nov. 21, 2000
6008223	Therapeutic compounds	Dec. 28, 1999
5965577	Heterocyclic inhibitors of microsomal triglyceride transfer protein and method	Oct. 12, 1999
5962437	Lipid analogs for treating viral infections	Oct. 5, 1999
5936124	Fluoxetine process from benzoylpropionic acid	Aug. 10, 1999
5922748	Indole derivatives as 5-HT agonists	Jul. 13, 1999
5914351	Anti-viral aromatic hydrazones	Jun. 22, 1999
5914332	Retroviral protease inhibiting compounds	Jun. 22, 1999
5892030	Process for producing 5,6-dihydro-1,3-oxazines	Apr. 6, 1999
5886175	7-(substituted)-8-(substituted)-9-(substitued amino)-6-demethyl-6-deoxytetracyclines	Mar. 23, 1999
5760033	1.3 oxa (thia) zines and pest control agents	Jun. 2, 1998
5712279	Inhibitors of microsomal triglyceride transfer protein and method	Jan. 27, 1998
5693310	Amide complexes	Dec. 2, 1997
5612479	Polyphenols containing mesogenic moieties as lateral substituents	Mar. 18, 1997
5543396	Proline phosphonate derivatives	Aug. 6, 1996
5543433	Azine-substituted phenylacetic acid derivatives and fungicides containing these	Aug. 6, 1996
5538967	Arthropodicidal oxazines and thiazines	Jul. 23, 1996
5495032	Process for producing 7-(substituted)-8-(substituted-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclines	Feb. 27, 1996
5495018	7-(substituted-9-(substituted amino)-6-demethyl-6-deoxytetracyclines	Feb. 27, 1996