HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS
Subclass of:
540 - Organic compounds -- part of the class 532-570 series
540000000 - ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)
Patent class list (only not empty are listed)
Deeper subclasses:
Class / Patent application number | Description | Number of patent applications / Date published |
---|---|---|
540484000 | The hetero ring contains seven members including nitrogen and carbon | 504 |
540450000 | The hetero ring contains at least eight members including nitrogen and carbon | 237 |
540200000 | Hetero ring is four-membered containing nitrogen and having chalcogen double bonded directly to a ring carbon which is adjacent to the ring nitrogen | 107 |
540002000 | Cyclopentanohydrophenanthrene ring system containing | 86 |
540145000 | Porphyrins (including hydrogenated; e.g., chlorophyll, etc.) | 65 |
540121000 | Azaporphyrins | 41 |
Entries | ||
Document | Title | Date |
---|---|---|
20090240048 | Alpha-crystalline form of substituted selenoxanthenes and the method of its preparation - The invention pertains to field of organic chemistry, medicine, pharmacology, foods and cosmetics industry, particularly, to manufacturing technology of selenoxanthenes; the invention may be used in manufacturing of food supplements, pharmaceutical and cosmetic products, having bioactive properties, of a wide spectrum of activity. The proposed compound is the α-crystalline form of 9-phenyl-symmetrical-octahydroselenoxanthene with exhibits antioxidant, detoxifying, immunomodulating, anti-atherogenic, anti-sclerotic, anabolic and hypolipidemic properties, and has the following structural formula: | 09-24-2009 |
20100216986 | 2, 5-SELENOPHENE DERIVATIVES AND 2, 5-TELLUROPHENE DERIVATIVES - The invention relates to 2,5-selenophene derivatives and 2,5-tellurophene derivatives, inter alia for use as components in liquid-crystal mixtures, and to liquid-crystal mixtures which comprise the compounds, and to liquid-crystal displays based on these mixtures. The invention furthermore relates to processes for the preparation of the compounds and to Se/Te-containing intermediates. | 08-26-2010 |
20130253183 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are: an aromatic amine derivative in which a terminal substituent such as a dibenzofuran ring or a dibenzothiophene ring is bonded to a nitrogen atom directly or through an arylene group or the like; an organic electroluminescence device including an organic thin film layer formed of one or more layers including a light emitting layer and interposed between a cathode and an anode in which a layer of the organic thin film layer contains the aromatic amine derivative by itself or as a component of a mixture, and the device has a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device. | 09-26-2013 |