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Class Information
Number: 549/429
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) > Oxygen containing hetero ring (e.g., dioxirane, etc.) > The hetero ring is five-membered
Description: Compounds wherein the oxygen containing hetero ring has five ring members.


Sub-classes under this class:

Class Number Class Name Patents
549/497 Chalcogen attached indirectly to the hetero ring by nonionic bonding 202
549/475 Chalcogen bonded directly to the hetero ring 329
549/474 Cyano bonded directly to the hetero ring 93
549/504 Halogen attached directly or indirectly to the hetero ring by nonionic bonding 96
549/483 Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring 171
549/491 Nitrogen attached indirectly to the hetero ring by nonionic bonding 336
549/480 Nitrogen bonded directly to the hetero ring 224
549/507 One double bond between ring members of the hetero ring 58
549/505 Plural double bonds between ring members of the hetero ring 102
549/472 Plural hetero rings 252
549/430 Plural ring oxygens in the hetero ring 174
549/456 Polycyclo ring system having the hetero ring as one of the cyclos 60
549/509 Preparing from a hydroxy containing compound 70
549/508 Preparing from compound containing -coo- group 87


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7618969 Compounds which potentiate glutamate receptor and uses thereof in medicine Nov. 17, 2009
7595327 Beta-sulfonamide hydroxamic acid inhibitors of tace/matrix metalloproteinase Sep. 29, 2009
7569602 Furan derivatives as EP.sub.4 receptor antagonists Aug. 4, 2009
7534894 Biphenyloxy-acids May. 19, 2009
7511073 Amines that inhibit a mammalian anandamide transporter, and methods of use thereof Mar. 31, 2009
7507817 Prostaglandin prodrugs Mar. 24, 2009
7468437 Phenyl pyrrolidine ether tachykinin receptor antagonists Dec. 23, 2008
7468446 Substituted heterocyclic compounds and uses thereof Dec. 23, 2008
7442810 Method for the production of defined mixtures of THF, BDO and GBL by gas phase hydrogenation Oct. 28, 2008
7432284 Estrogen receptor modulators Oct. 7, 2008
7429669 Therapeutic compounds Sep. 30, 2008
7423061 Substitute thiophenes and uses thereof Sep. 9, 2008
7419943 Methanoazuenofurans and methanoazulenone compounds and uses of these compounds as fragrance materials Sep. 2, 2008
7417068 EP.sub.4 receptor antagonists Aug. 26, 2008
7371777 Cyclic compound and PPAR agonist May. 13, 2008
7351311 Method for purifying tetrahydrofuran by distillation Apr. 1, 2008
7351734 Aminoindane derivatives as serotonin and norepinephrine uptake inhibitors Apr. 1, 2008
7345181 Process for preparing prostaglandin derivatives and starting materials for the same Mar. 18, 2008
7329634 3-Phenyl substituted 3-substituted-4ketolactams and ketolactones Feb. 12, 2008
7316851 Electroluminescent material, electroluminescent element and color conversion filter Jan. 8, 2008
7276573 Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymers Oct. 2, 2007
RE39794 Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives Aug. 21, 2007
7256203 Dicationic 2,5-diarylfuran aza-analogs as anti-protozoan agents Aug. 14, 2007
7148318 Method for producing polytetrahydrofurane having a low color indices Dec. 12, 2006
7148241 Dicationic 2,5-diarylfuran aza-analogs as anti-protozoan agents Dec. 12, 2006
7144909 Phenoxy substituted benzocondensed heteroaryl derivatives as thyroid receptor ligands Dec. 5, 2006
7122561 Treatment of skin conditions Oct. 17, 2006
7109343 Metal catalysts and methods for making and using same Sep. 19, 2006
7105707 Process for preparing alkynyl-substituted aromatic and heterocyclic compounds Sep. 12, 2006
7091344 Infrared chromophores Aug. 15, 2006
7081467 C2-disubstituted indan-1-ones and their derivatives, processes for their preparation and their use as pharmaceuticals Jul. 25, 2006
7074944 Method for producing polytetrahydrofuran Jul. 11, 2006
7064222 Processes for the preparation of 2-methylfuran and 2-methyltetrahydrofuran Jun. 20, 2006
7057055 Process for preparing a deuterated or tritiated compound Jun. 6, 2006
7049329 Amines that inhibit a mammalian anandamide transporter, and methods of use thereof May. 23, 2006
7045642 Process for preparing a deuterated or tritiated compound May. 16, 2006
6949583 Aminoalkoxybenzoyl-benzofuran or benzothiophene derivatives, method of preparing same and compositions containing same Sep. 27, 2005
6936629 Compounds and methods for the treatment or prevention of flavivirus infections Aug. 30, 2005
6930188 Stable hydrate of a muscarinic receptor antagonist Aug. 16, 2005
6921831 Modified BiMo catalyst and process for use thereof Jul. 26, 2005
6906196 Processes for the preparation of 1,5-diaryl-3-substituted-pyrazoles Jun. 14, 2005
6903132 Non-peptide GnRH agents, pharmaceutical compositions and methods for their use Jun. 7, 2005
6900160 Triazolo-epothilones May. 31, 2005
6900196 Serine protease inhibitors May. 31, 2005
6894039 Selenophene anti-tumor agents May. 17, 2005
6875784 Antimibicrobial [3.1.0.] bicyclic oxazolidinone derivatives Apr. 5, 2005
6864225 Cyclic ketals, fragrance compositions containing the same and methods of using the same Mar. 8, 2005
6852868 Processes for the preparation of 2-methylfuran and 2-methyltetrahydrofuran Feb. 8, 2005
6844375 4-methylene-1,3-dioxolanes as cross-linking agents Jan. 18, 2005
6831182 Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones Dec. 14, 2004

1 2 3 4 5


 
 
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