Polycyclo ring system having the hetero ring as one of the cyclos
Subclass of:
549 - Organic compounds -- part of the class 532-570 series
549000000 - ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)
549000000 - 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)
549200000 - Oxygen containing hetero ring (e.g., dioxirane, etc.)
549356000 - The hetero ring is six-membered
Patent class list (only not empty are listed)
Deeper subclasses:
Class / Patent application number | Description | Number of patent applications / Date published |
---|---|---|
549396000 | Bicyclo ring system having the hetero ring as one of the cyclos | 150 |
549385000 | Tricyclo ring system having the hetero ring as one of the cyclos | 29 |
549382000 | Pentacyclo ring system having the hetero ring as one of the cyclos | 8 |
549383000 | Tetracyclo ring system having the hetero ring as one of the cyclos | 3 |
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20110028741 | Novel Platensimycin Derivatives, Their Intermediates, and Process for Preparing the Same, and New Process for Preparing Platensimycin - The present invention relates to novel platensimycin derivatives, their intermediates and preparing methods of the same. Platensimycin is known as an effective antibiotic material having a broad antimicrobial spectrum and its derivatives are also expected to be effective antibiotic candidates. The present invention also relates to a novel preparing method of platensimycin. The intermediates used for the production of platensimycin and its derivatives of the present invention are tricyclo ketone derivatives and tetracyclo derivatives. Tetracyclo derivatives are prepared from tricyclo ketone derivatives prepared by carbonyl ylide [3+2] cycloaddition of dia-zoketone derivative. | 02-03-2011 |
Entries | ||
Document | Title | Date |
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20090259054 | Methods and Compositions for the Treatment of Angiogenesis and Macular Degeneration - The present invention relates to methods and compositions for the treatment of angiogenesis and macular degeneration. In preferred embodiments, the invention relates to the field of eye health. In some embodiments, the invention relates to the prevention and treatment of angiogenesis by administering compounds disclosed herein. In further embodiments, the invention relates to the prevention and treatment of macular degeneration by administering compounds disclosed herein. In still further embodiments, the invention relates to methods and compositions comprising gambogic acid and gambogic acid derivatives. | 10-15-2009 |
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