Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.)
Subclass of:
544 - Organic compounds -- part of the class 532-570 series
544000000 - ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)
544000000 - 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)
Patent class list (only not empty are listed)
Deeper subclasses:
Class / Patent application number | Description | Number of patent applications / Date published |
---|---|---|
544224000 | The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.) | 1464 |
544063000 | Six-membered hetero ring consists of oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc) | 715 |
544180000 | Triazines | 210 |
544003000 | Six-membered hetero ring consists of sulfur, nitrogen, and carbon | 130 |
544179000 | Tetrazines | 7 |
544002000 | Six-membered hetero ring consists of oxygen, sulfur, nitrogen and carbon (e.g., oxathiazines, etc.) | 6 |
Entries | ||
Document | Title | Date |
---|---|---|
20100016583 | COMPOUNDS FOR TREATMENT OF COPPER OVERLOAD - The present invention provides compounds, pharmaceutical compositions, and methods that can be used to treat pathologies that are due to copper overload or to the presence of reactive oxygen species. | 01-21-2010 |