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Class Information
Number: 540/114
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 > Cyclopentanohydrophenanthrene ring system containing > Oxygen containing hetero ring attached indirectly to the cyclopentanohydrophenanthrene ring system by nonionic bonding
Description: Compounds in which an oxygen containing hetero ring is attached indirectly to the cyclopentanohydrophenanthrene ring system by nonionic bonding.










Sub-classes under this class:

Class Number Class Name Patents
540/116 Additional hetero atom in the oxygen containing hetero ring 41
540/117 The a ring is a benzene ring 31
540/115 The hetero ring contains -c(=x)-o-, wherein x is chalcogen, as part of the ring (e.g., lactones, etc.) 20
540/118 The hetero ring is bonded directly to chalcogen which is bonded directly to the cyclopentanohydrophenanthrene ring system 58


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8629268 Cyclisation process of forming a multiple ring compound Jan. 14, 2014
8309713 Process for the preparation of 6-.alpha.,9-.alpha.-difluoro-17-.alpha.-((2-furanylcarbonyl)oxy)-11-.beta- .-hydroxy-16-.alpha.-methy1-3-oxo-androsta-1,4-diene-17-.beta.- -carbothioic acid S Nov. 13, 2012
8119619 Pregnane steroids and their use in the treatment of CNS disorders Feb. 21, 2012
7960367 Pregnane steroids and their use in the treatment of CNS disorders Jun. 14, 2011
7888340 Pregnane steroids and their use in the treatment of CNS disorders Feb. 15, 2011
7629335 Anti-inflammatory androstane derivative Dec. 8, 2009
7601706 Bile-acid conjugates providing for sustained systemic concentration of drugs Oct. 13, 2009
7592329 Crystalline complexes of fluticasone-2-furoate Sep. 22, 2009
7582749 Photochromic compounds Sep. 1, 2009
7579334 Compounds with anti-inflammatory activity Aug. 25, 2009
7576055 Artificial low-density lipoprotein carriers for transport of substances across the blood-brain barrier Aug. 18, 2009
7541350 Formulation containing anti-inflammatory androstane derivative Jun. 2, 2009
7498321 17.beta.-carbothioate 17.alpha.-arylcarbonyloxyloxy androstane derivative as anti-inflammatory agents Mar. 3, 2009
7405206 Anti-inflammatory androstane derivatives Jul. 29, 2008
7132532 Compounds useful in the manufacture of an anti-inflammatory androstane derivative Nov. 7, 2006
7125985 Compounds useful in the manufacture of an anti-inflammatory androstane derivative Oct. 24, 2006
7101866 Anti-inflammatory androstane derivative Sep. 5, 2006
7049305 Bile-acid conjugates providing for sustained systemic concentration of drugs May. 23, 2006
6953785 Estra-1,3,5(10)-triene derivatives Oct. 11, 2005
6921757 Organic compounds Jul. 26, 2005
6900192 Bile-acid conjugates for providing sustained systemic concentrations of drugs May. 31, 2005
6878698 Anti-inflammatory androstane derivatives Apr. 12, 2005
6780855 11.beta.-HALOGEN-7.alpha.-SUBSTITUTED ESTRATRIENES, PROCESS FOR THE PRODUCTION OF PHARMACEUTICAL PREPARATIONS THAT CONTAIN THESE 11.beta.-HALOGEN-7.alpha.-SUBSTITUTED ESTRATRIENES AS WELL AS T Aug. 24, 2004
6777400 Anti-inflammatory androstane derivative compositions Aug. 17, 2004
6777399 Anti-inflammatory androstane derivative compositions Aug. 17, 2004
6750210 Formulation containing novel anti-inflammatory androstane derivative Jun. 15, 2004
6537983 Anti-inflammatory androstane derivatives Mar. 25, 2003
6462211 4-halogenated steroids, their preparation process and intermediates, their use as medicaments and the pharmaceutical compositions containing them Oct. 8, 2002
6399767 Intermediates for the synthesis of vitamin D and steroid derivatives and process for preparation thereof Jun. 4, 2002
6271403 7.alpha.-(xi-aminoalkyl)-estratrienes, process for their production, pharmaceutical preparations which contain these 7.alpha.-(xi-aminoalkyl-estratrienes as well as their use for the produ Aug. 7, 2001
6180781 Process for making mometasone furoate monohydrate Jan. 30, 2001
6177560 Process for the preparation of mometasone furoate Jan. 23, 2001
6177418 Tetracyclic triterpenes as cholesterol-lowering and anti-atherosclerosis agents Jan. 23, 2001
6127353 Mometasone furoate monohydrate, process for making same and pharmaceutical compositions Oct. 3, 2000
6093707 17.beta.-nitro-11.beta.-arylsteroids and their derivatives having agonist or antagonist hormonal properties Jul. 25, 2000
5990078 Means of increasing estrogen receptor levels in neural tissue Nov. 23, 1999
5843931 6,7-modified 11.beta.-aryl-4-oestrenes Dec. 1, 1998
5843933 11.beta.-aryl-4-estrenes, process for their production as well as their use as pharmaceutical agents Dec. 1, 1998
5837698 Steroid nitrite and nitrate ester derivatives useful as anti-inflammatory drugs Nov. 17, 1998
5824670 17-deoxycorticosteroid-21-[O]carboxylic esters, processes for their preparation and pharmaceuticals containing these compounds Oct. 20, 1998
5760025 Steroid derivatives for the treatment of prostatic hypertrophy, their preparation and uses Jun. 2, 1998
5717088 Method of making steroid derivatives for the treatment of prostatic hypertrophy Feb. 10, 1998
5707984 Steroid nitrite/nitrate ester derivatives useful as anti-inflammatory drugs Jan. 13, 1998
5670676 Process for preparation of 9.alpha. -chloro-11.beta. formyloxypregna-3.20-diones Sep. 23, 1997
5641767 Modified bile acids process for their preparation and their use Jun. 24, 1997
RE35517 Method, compositions, and compounds for modulating brain excitability May. 20, 1997
5610151 Monomeric bile acid derivatives, processes for their preparation and the use of these compounds as medicaments Mar. 11, 1997
5608093 Corticosteroid 17-alkyl carbonate 21-[0]-carboxylic and carbonic esters, and pharmaceuticals containing these compounds Mar. 4, 1997
5602248 Process for preparation of 9.alpha.-chloro-11.beta.-formyloxypregna-3,20-diones Feb. 11, 1997
5591733 Methods, compositions, and compounds for allosteric modulation of the gaba receptor by members of the androstane and pregnane series Jan. 7, 1997

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