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Class Information
Number: 544/89
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 > Polycyclo ring system having the oxazine ring as one of the cyclos
Description: Compounds wherein the six-membered hetero ring is a cyclo in a polycyclo ring system.


Sub-classes under this class:

Class Number Class Name Patents
544/90 Bicyclo ring system having the oxazine ring as one of the cyclos 125
544/95 Three or more ring hetero atoms in the polycyclo ring system 55


Patents under this class:
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Patent Number Title Of Patent Date Issued
7527654 Dyeing process using a dye of styryl or imine type in combination with a weak acid, and device for implementing the process May. 5, 2009
7435733 Mineralocorticoid receptor modulator compounds and methods, and pharmaceutical compositions containing these compounds Oct. 14, 2008
7196108 Bicyclic heterocycles for the treatment of diabetes and other diseases Mar. 27, 2007
7160936 Method of producing ultraviolet radiation absorbent Jan. 9, 2007
7112674 Organic electroluminescent device based on 2,5-diaminoterephthalic acid derivatives Sep. 26, 2006
7053138 Flame-proofing agents May. 30, 2006
6936606 Cyanoamido-containing heterocyclic compounds useful as reversible inhibitors of cysteine proteases Aug. 30, 2005
6908998 Method of producing ultraviolet radiation absorbent Jun. 21, 2005
6881867 Method for hydroformylation, xanthene-bridged ligands and catalyst comprising a complex of said ligands Apr. 19, 2005
6855674 Hydroxy aromatic Mannich base condensation products and the use thereof as soot dispersants in lubricating oil compositions Feb. 15, 2005
6812228 Benzoxazines for use in the treatment of parkinson's disease Nov. 2, 2004
6784302 Method of producing optically active lactone compound and complex used in the method Aug. 31, 2004
6663972 Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers Dec. 16, 2003
6624159 Heterocycle carboxamides as antiviral agents Sep. 23, 2003
6380235 Benzimidazolones and analogues Apr. 30, 2002
6365587 Substituted aryl hydroxamic acids as metalloproteinase inhibitors Apr. 2, 2002
6348460 1,2,3-thiadiazole derivatives, plant disease controller and method for using the same Feb. 19, 2002
6316109 Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers Nov. 13, 2001
6303780 4,4-disubstituted-1,4-dihydro-2h-3,1-benzoxazin-2-ones useful as HIV reverse transcriptase inhibitors and intermediates and processes for making the same Oct. 16, 2001
6140499 4,4-disubstituted-1,4-dihydro-2H-3,1-benzoxazin-2-ones useful as HIV reverse transcriptase inhibitors and intermediates and processes for making the same Oct. 31, 2000
6124278 Acylbenzoxazines for enhancing synaptic response Sep. 26, 2000
6114329 5-HT.sub.4 receptor antagonists useful in the treatment of gastroinstestinal, cardiovascular and CNS disorders Sep. 5, 2000
6100397 Process for the preparation of N-[(1-.sup.n butyl-4-piperidyl)methyl]-3,4-dihydro-2H-[1,3]oxazino[3,2-a] indole-10-carboxamide and salts and intermediates in the process Aug. 8, 2000
6083961 Benzimidazole compounds as bradykinin antagonists Jul. 4, 2000
6057315 Antibacterial agents May. 2, 2000
6022497 Photochromic six-membered heterocyclic-fused naphthopyrans Feb. 8, 2000
5998409 Condensed indole derivatives as 5HT.sub.4 -receptor antagonists Dec. 7, 1999
5962447 Benzoxazines for enhancing synaptic response Oct. 5, 1999
5877313 Benzo-fused azepinone and piperidinone compounds useful in the inhibition of ACE and NEP Mar. 2, 1999
5874430 4,4-disubstitued-1,4-dihydro-2H-3,1-benzoxazin-2-ones useful as HIV reverse transcriptase inhibitors and intermediates and processes for making the same Feb. 23, 1999
5852014 Condensed indole derivatives as 5HT.sub.4 -receptor antagonists Dec. 22, 1998
5736543 Benzoxazines for enhancing synaptic response Apr. 7, 1998
5705498 Piperidine derivatives as 5-HT.sub.4 receptor antagonists Jan. 6, 1998
5652237 2-substituted-4H-3, 1-benzoxazin-4-ones and benzthiazin-4-ones as inhibitors of complement C1r protease for the treatment of inflammatory processes Jul. 29, 1997
5650409 Benzoyl piperidines/pyrrolidines for enhancing synaptic response Jul. 22, 1997
5494909 Substituted oxazinoisoquinoline derivatives, pharmaceutical compositions containing them and process for preparing same Feb. 27, 1996
5426192 Chromogenic lactam compounds, their preparation and their use Jun. 20, 1995
5362872 Chromogenic lactams Nov. 8, 1994
5342942 Pyrazoloquinazolone derivatives as neurotrophic agents Aug. 30, 1994
5329006 Chromogenic lactam compounds, their preparation and their use Jul. 12, 1994
5302589 Heterocyclic inhibitors of 5-.alpha.-testosterone reductase Apr. 12, 1994
5270308 1,3-benzoxazine derivatives, their production and use Dec. 14, 1993
5268476 Substituted 10bH-oxazolo[3,2-c] [1,3] benzoxazine-2(3H), 5-diones Dec. 7, 1993
5239081 Preparation of photographic compounds Aug. 24, 1993
5179091 Chalcones Jan. 12, 1993
5153358 Process for the preparation of alpha-alkylated alpha-amino acids and alpha-halogenated alpha-amino acids Oct. 6, 1992
5137909 Indole derivative and method of production thereof Aug. 11, 1992
5137892 Quinoline, naphthyridine and pyridobenzoxazine derivatives Aug. 11, 1992
5055579 Heterocyclic compounds containing 4,6-bis-trichloromethyl-s-triazin-2-ly groups Oct. 8, 1991
5001129 Oxazoloquinoline compounds and therapeutic application thereof Mar. 19, 1991

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