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.) > The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.) > 1,4-diazines > Polycyclo ring system having the diazine ring as one of the cyclos > Patents

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Class Information
Number: 544/338
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.) > The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.) > 1,4-diazines > Polycyclo ring system having the diazine ring as one of the cyclos
Description: Compounds wherein the six-membered hetero ring is one of the cyclos in a polycyclo ring system.

Sub-classes under this class:

Class Number	Class Name	Patents
544/349	Bicyclo ring system having the diazine ring as one of the cyclos	302
544/339	Heptacyclo ring system having the diazine ring as one of the cyclos (e.g., indanthrones, etc.)	37
544/342	Pentacyclo ring system having the diazine ring as one of the cyclos	69
544/343	Tetracyclo ring system having the diazine ring as one of the cyclos (e.g., benzophenazines, etc.)	178
544/344	Tricyclo ring system having the diazine ring as one of the cyclos	174

Patents under this class:

1 2

Patent Number	Title Of Patent	Date Issued
7550461	Benzofuran and benzothiophene compounds useful in treating cytokine mediated diseases	Jun. 23, 2009
7524956	Hemisynthetic method and new compounds	Apr. 28, 2009
7476465	Electrode active material and electrode using the electrode active material and battery using the electrode	Jan. 13, 2009
7417145	Process for total synthesis of ecteinascidins and intermediates therefor	Aug. 26, 2008
7388010	Quinoxalinone derivatives	Jun. 17, 2008
7338553	Process, compound, ink and use	Mar. 4, 2008
7332511	Vanilloid receptor ligands and their use in treatments	Feb. 19, 2008
7326707	Bicyclic melanocortin-specific compounds	Feb. 5, 2008
7202361	Antitumoral ecteinascidin derivatives	Apr. 10, 2007
7098215	Nitrogenous compounds and antiviral drugs containing the same	Aug. 29, 2006
7026061	Organic electroluminescent material and organic electroluminescent element by using the same	Apr. 11, 2006
7018738	Electrode and battery using same	Mar. 28, 2006
7001906	Pyrido-pyrido-pyrrolo pyrrolo-indole and pyrido-pyrrolo pyrrolo carbazole derivatives, method for the production thereof and pharmaceutical compositions containing said derivatives	Feb. 21, 2006
6881867	Method for hydroformylation, xanthene-bridged ligands and catalyst comprising a complex of said ligands	Apr. 19, 2005
6852712	Quinoline and quinoxaline compounds which inhibit platelet-derived growth factor and/or p56lck tyrosine kinases	Feb. 8, 2005
6825184	1,4-Disubstituted benzo-fused urea compounds	Nov. 30, 2004
6815544	Synthetic process for an intermediate for ecteinascidin and phthalascidin compounds	Nov. 9, 2004
6750344	Amine compounds and combinatorial libraries comprising same	Jun. 15, 2004
6723445	Organic light-emitting devices	Apr. 20, 2004
6703385	Tricyclic compounds having sPLA2-inhibitory activities	Mar. 9, 2004
6686470	Compounds of the saframycin-ecteinascidin series, uses, and synthesis thereof	Feb. 3, 2004
6569859	Synthetic analogs of ecteinascidin-743	May. 27, 2003
6569858	12,13-(pyranosyl)-indolo[2,3-a]pyrrolo[3,4-c]carbazole and 12,13-(pyranosyl)-furo[3,4-c]indolo[2,3-a]carbazoles	May. 27, 2003
6486332	Fluorescent pigments	Nov. 26, 2002
6348467	Synthetic analogs of ecteinascidin-743	Feb. 19, 2002
6303609	Isoxazoline fibrinogen receptor antagonists	Oct. 16, 2001
6291461	Stephacidin antitumor antibiotics	Sep. 18, 2001
6271235	HIV protease inhibitors	Aug. 7, 2001
6271401	Fluorescent anthraquinoid pigments	Aug. 7, 2001
6156236	Conductive organopolysiloxane composition	Dec. 5, 2000
6130330	Process for preparing macropolycyclic polyamines	Oct. 10, 2000
6124292	Synthetic analogs of ecteinascidin-743	Sep. 26, 2000
6114332	Bis(acridinecarboxamide) and bis(phenazinecarboxamide) as antitumor agents	Sep. 5, 2000
6093821	Process for preparing steroid receptor modulator compounds	Jul. 25, 2000
5852030	Indole derivatives, process for producing the same and medicinal uses of the same	Dec. 22, 1998
5808060	Fused isoindolones	Sep. 15, 1998
5721362	Process for producing ecteinascidin compounds	Feb. 24, 1998
5708123	Electroactive materials, a process for their preparation as well as the use thereof	Jan. 13, 1998
5696130	Tricyclic steroid receptor modulator compounds and methods	Dec. 9, 1997
5696127	Steroid receptor modulator compounds and methods	Dec. 9, 1997
5693646	Steroid receptor modulator compounds and methods	Dec. 2, 1997
5688810	Steroid receptor modulator compounds and methods	Nov. 18, 1997
5587476	Fullerene derivatives, method of synthesizing them and their use	Dec. 24, 1996
5576313	Inhibitors of farnesyl-protein transferase	Nov. 19, 1996
5554751	Aminoureidofullerene and aminothioureidofullerene derivatives and process for the preparation thereof	Sep. 10, 1996
5459141	Compounds 31668P and 31668U, a process for their production and their use	Oct. 17, 1995
5371091	Heteroaromatic amine thrombin inhibitors	Dec. 6, 1994
5352680	Delta opioid receptor antagonists to block opioid agonist tolerance and dependence	Oct. 4, 1994
5210193	Piperazine derivatives	May. 11, 1993
5153321	Antistatic and electrically conducting polymers and moulding materials	Oct. 6, 1992