| Patents for C07J 53 - Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by condensation with carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms (1,809) |
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| 08/21/2008 | US20080200668 Industrial Process for the Preparation of 17-Hydroxy-6Beta, 7Beta; 15Beta, 16Beta-Bismethylene-3-Oxo-17Alpha-Pregn-4-Ene-21-Carboxylic Acid Y-Lactone and Key Intermediates for this Process |
| 08/19/2008 | US7414042 Topically applying betulinic acid or a betulinic acid derivative to tumor site |
| 08/14/2008 | US20080194812 Making drospirenone; chemical intermediates e.g. carbethoxy-drospirenone; industrial scale, safe (no chromium catalyst), meets purity requirements |
| 08/14/2008 | US20080193432 Alpha -tocopherol, hydro-Q9 chromene, coenzyme Q9, cycloartane, 1-Feruloyl glycerol; activates estrogen receptors; improving menopause symptoms |
| 08/13/2008 | CN100410271C Compound with anti-tumor activity and its preparing method |
| 08/12/2008 | US7410958 3 beta -1-(N',N'-dimethylaminopyridinium)-N-acetyloxy-19 beta ,28-epoxy-18 alpha -oleanan chloride; Plant fungicides and bactericides; antibiotic resistant staphylococcus and enterococcus; turf grasses; improved chemical resistance and stability |
| 07/31/2008 | WO2008091532A1 Salts of 3-o-(3',3'-dimethylsuccinyl)betulinic acid and solid state forms thereof |
| 07/17/2008 | WO2007141383A9 Betulin derived compounds as anti-feedants for plant pests |
| 07/16/2008 | CN101223186A Process for the production of 3-oxo-pregn-4-ene-21,17-carbolactones by the metal-free oxidation of 17-(3-hydroxypropyl)-3,17-dihydroxyandrostanes |
| 07/16/2008 | CN101223185A Compounds useful for treating neurodegenerative disorders |
| 07/16/2008 | CN101220036A Extraction of active ingredient such as betulinic acid from common camptotheca fruit with clean method |
| 07/15/2008 | CA2208605C 14.alpha.,17.alpha.-c2-bridged 19-nor-progesterone derivatives |
| 07/09/2008 | CN101215312A Environment friendly synthesis method for 3alpha,5-cyclo-5alpha-stigmast-6-one |
| 07/02/2008 | CN100398109C Steroid derived antibiotics |
| 06/11/2008 | EP1930014A1 Agent for amelioration of insulin resistance |
| 06/03/2008 | US7381717 Anti-HIV agents with dual sites of action |
| 05/29/2008 | WO2007078848A3 Preparation of pharmaceutical salts of 3-o-(3',3'-dimethlsuccinyl) betulinic acid |
| 05/28/2008 | EP1343806B1 Methylene steroids as novel androgens |
| 05/28/2008 | EP1343483B1 Transdermal system containing a novel high potency progestagen |
| 05/15/2008 | WO2008057420A2 Extended triterpene derivatives |
| 05/15/2008 | CA2668452A1 Extended triterpene derivatives |
| 05/13/2008 | CA2322847C Steroid derived antibiotics |
| 05/08/2008 | WO2008054250A1 N'-{n-[3-oxo-lupen-28-oyl]-9-aminononanoyl}-3-amino-3-phenylpropeonic acid and the pharmaceutically acceptable derivatives thereof, a method for the production and the use thereof in the form of a medicinal agent |
| 05/07/2008 | CN101172131A Method for preparing potentilla plants total-triterpene extract |
| 04/30/2008 | CN100384866C Process for prepn. of 7 alpha-carboxyl 9,11-epoxy steroids and intermediates useful therein and a general process for epoxidation of olifinic double bonds |
| 04/29/2008 | US7365221 Viricides; aids therapy |
| 04/16/2008 | EP1910403A1 Process for the production of 3-oxo-pregn-4-ene-21,17-carbolactones by the metal-free oxidation of 17-(3-hydroxypropyl)-3,17-dihydroxyandrostanes |
| 03/27/2008 | WO2008000070B1 Glycyrrhetinic acid derivatives |
| 03/27/2008 | DE4216004B4 Verwendung kompetitiver Progesteronantagonisten Use of competitive progesterone antagonists |
| 03/26/2008 | EP1903051A2 Epoxidation of 17-oxo-15,16-methylene steroids with sulfoxonium ylides |
| 03/26/2008 | CN100376596C Buxine, buxine hydrochloride, and its preparing method and formulation |
| 03/12/2008 | CN101142227A Novel betulin derivatives, preparation thereof and use thereof |
| 03/06/2008 | WO2007141392A3 Compositions comprising betulonic acid |
| 03/05/2008 | EP1893629A1 Antiviral compounds |
| 02/28/2008 | US20080051382 Crystalline Forms of 3-Beta-Amino 17-Methylene Androstane-6-Alpha 7-Beta-Diol Hydrochloride |
| 02/20/2008 | EP1888616A1 Compounds useful for treating neurodegenerative disorders |
| 02/20/2008 | CN101128476A 18-methyl-19-nor-17-pregn-4-en-21,17-carbolactones and pharmaceutical preparations comprising the same |
| 02/20/2008 | CN101125879A Method for preparing drospirenone intermediate 3beta,5-dihydroxy-15beta,16beta-methylene-5beta-androst-6-en-17-one |
| 02/20/2008 | CN100369927C Processes for preparation of 9,11-epoxy steroids and intermediates useful therein |
| 02/06/2008 | CN101117349A A macrocyclic oxidation substituted pentacyclic triterpanoids derivative and preparation method and use thereof |
| 02/06/2008 | CN101117348A A and C macrocyclic oxidation substituted pentacyclic triterpanoids and preparation method and use thereof |
| 01/31/2008 | US20080027237 Processes for preparations of 9,11-epoxy steroids and intermediates useful therein |
| 01/24/2008 | US20080020988 Brain cell- or nerve cell-protecting agents comprising medicinal ginseng |
| 01/17/2008 | US20080014642 Tagging reagents and methods for hydroxylated compounds |
| 01/08/2008 | CA2196690C Pregnanes and cholanes as neurochemical initiators of change in hypothalamic function |
| 01/03/2008 | WO2008000521A1 18-methyl-19-nor-androst-4-en-17,17-spiroether (18-methyl-19-nor-20- spirox-4-en-3-one) and pharmaceutical preparations containing the same |
| 01/03/2008 | WO2008000070A1 Glycyrrhetinic acid derivatives |
| 01/03/2008 | US20080004249 Chemical Compounds |
| 01/03/2008 | CA2656443A1 18-methyl-19-nor-androst-4-en-17,17-spiroether (18-methyl-19-nor-20-spirox-4-en-3-one), and pharmaceutical products comprising the same |
| 01/03/2008 | CA2653726A1 Glycyrrhetinic acid derivatives |
| 12/26/2007 | CN101092443A Method for synthesizing Drospirenone |
| 12/26/2007 | CN101092442A Steroid compounds having contraceptive and anti-osteoporosis activity |
| 12/25/2007 | US7312205 Methods and compositions for inhibiting tumor growth |
| 12/21/2007 | WO2007145253A1 NF-ϰB ACTIVATION INHIBITOR |
| 12/18/2007 | CA2229960C Steroid compounds having contraceptive and anti-osteoporosis activity |
| 12/13/2007 | WO2007141392A2 Compositions comprising betulonic acid |
| 12/13/2007 | WO2007141391A1 Betulin derived compounds useful as antiprotozoal agents |
| 12/13/2007 | WO2007141390A1 Betulin derived compounds useful as antiviral agents |
| 12/13/2007 | WO2007141389A1 Betulin derived compounds useful as antibacterial agents |
| 12/13/2007 | WO2007141383A1 Betulin derived compounds as anti-feedants for plant pests |
| 12/13/2007 | CA2654352A1 Compositions comprising betulonic acid |
| 12/13/2007 | CA2654346A1 Betulin derived compounds as antifeedants for plant pests |
| 12/05/2007 | CN101084234A Betulinol derivatives as anti-cancer agents |
| 11/28/2007 | EP1735330B1 Progesterone receptor modulators |
| 11/21/2007 | CN101076538A Steroids for cancer treatment |
| 11/20/2007 | US7297702 Administering during follicular phase in a dosage less than an ovulation-inhibiting or abortion-inductive dose; 11 beta -[(4-N,N-Dimethylamino) -phenyl]-17 beta -hydroxy-17 alpha -propinyl-4,9(10)-estradien-3-one (RU 38486) for example; will not abort previously implanted fetus |
| 11/08/2007 | US20070259842 3 beta -1-(N',N'-dimethylaminopyridinium)-N-acetyloxy-19 beta ,28-epoxy-18 alpha -oleanan chloride; Plant fungicides and bactericides; antibiotic resistant staphylococcus and enterococcus; turf grasses; improved chemical resistance and stability |
| 11/08/2007 | US20070259839 3 beta -1-(N',N'-dimethylaminopyridinium)-N-acetyloxy-19 beta ,28-epoxy-18 alpha -oleanan chloride; Plant fungicides and bactericides; antibiotic resistant staphylococcus and enterococcus; turf grasses; improved chemical resistance and stability |
| 10/31/2007 | CN101065396A Process for the preparation of drospirenone |
| 10/31/2007 | CN101062936A Novel betulic acid type triterpenoid |
| 10/24/2007 | EP1846435A1 Tetracyclic terpene series compounds, methods for preparing same, uses thereof as medicines and pharmaceutical compounds containing same |
| 10/24/2007 | CN101061133A Industrial method for preparing 17- hydroxy- 6beta, 7beta; 15beta, 16beta- bisacrylamide- 3- oxo- 17alpha- pregnane- 4- ene- 3- ketone- 21- carboxylate gamma- lactone and key intermediate used for the |
| 10/24/2007 | CN101061132A Method for preparing 17- hydroxy- 6beta, 7beta; 15beta, 16beta- bisacrylamide- 17alpha- pregnane- 4- ene- 3- ketone- 21- carboxylate gamma- lactone and key intermediate used for the said method |
| 10/24/2007 | CN101058596A Method of extracting and preparing triterpene compounds |
| 10/23/2007 | CA2384433C Novel betulinic acid derivatives having antiangiogenic activity, processes for producing such derivatives and their use for treating tumor associated angiogenesis |
| 10/23/2007 | CA2280041C Antigestagenic steroids with a fluorinated 17.alpha.-alkyl chain |
| 10/18/2007 | US20070244081 Triterpene quaternary salts as biologically active surfactants |
| 10/11/2007 | DE102005059222B4 11ß-Benzaldoximderivate von D-Homoestra-4,9-dien-3-onen 11ß-Benzaldoximderivate of D-Homoestra-4,9-dien-3-ones |
| 10/04/2007 | WO2007112043A2 Synthetic pentacyclic triterpenoids and derivatives of betulinic acid and betulin |
| 10/04/2007 | WO2006045171A3 Process for obtaining dry steroids derivative from ergostane |
| 10/04/2007 | US20070232577 Synthetic pentacyclic triterpenoids and derivatives of betulinic acid and betulin |
| 09/25/2007 | USRE39862 Unsaturated 14, 15-cyclopropanoandrostanes, a method for their production and pharmaceutical compositions containing these compounds |
| 09/12/2007 | EP1831240A1 18-methyl-19-nor-17-pregn-4-en-21,17-carbolactones and pharmaceutical preparations comprising the same |
| 09/12/2007 | EP1831239A1 A process for the preparation of 17-hydroxy-6 beta, 7 beta, 15 beta, 16 beta -bismethylene-17 alpha-pregn-4-ene-3-one-21-carboxylic acid lambda-lactone and key-intermediates for this process |
| 09/12/2007 | CN101033245A Preparation method and application of pedunculoside |
| 09/05/2007 | EP1828223A2 Novel betulin derivatives, preparation thereof and use thereof |
| 09/05/2007 | EP1828222A1 Process for the preparation of drospirenone |
| 08/30/2007 | US20070203105 (11 beta ,16 alpha ,17 beta )-17-cyclopropylcarbonyl-16-methyl-11-[4-(3-pyridinyl)-phenyl]estra-4,9-dien-3-one; contraception; hormone replacement therapy; endometriosis, dysmenorrhea, dysfunctional uterine bleeding and severe premenstrual syndrome |
| 08/30/2007 | US20070203103 Preparation of pharmaceutical salts of 3-O-(3',3'-dimethylsuccinyl)betulinic acid |
| 08/29/2007 | CN100334104C Triterpene derivatives and remedies for liver diseases |
| 08/15/2007 | EP1817326A1 Industrial process for the preperation of 17-hydroxy -6 beta, 7-beta, 15-beta, 16-beta-bismethylene-3-oxo 17-alpha pregn-4-ene-21-carboxylic acid gamma-lactone and key intermediates for this process |
| 08/09/2007 | US20070185108 Bicyclo[5.3.1]undecane-based; anticancer agents; alkylation; metathesis cyclization |
| 08/08/2007 | CN101012266A Large-scale industrialization preparation method for cyclovirobuxinum C |
| 07/31/2007 | CA2223397C Novel nor-pregnanes for inducing hypothalamic effects |
| 07/26/2007 | WO2007025780A3 Aldosterone receptor antagonists |
| 07/26/2007 | DE102005059222A1 11ß-Benzaldoximderivate von D-Homoestra-4,9-dien-3-onen 11ß-Benzaldoximderivate of D-Homoestra-4,9-dien-3-ones |
| 07/12/2007 | WO2007078848A2 Preparation of pharmaceutical salts of 3-o-(3',3'-dimethlsuccinyl) betulinic acid |
| 07/12/2007 | CA2633402A1 Preparation of pharmaceutical salts of 3-o-(3',3'-dimethlsuccinyl) betulinic acid |
| 07/11/2007 | CN1995059A 18alpha glycyrrhizin derivative with amino acid, its preparation method and uses |
| 07/04/2007 | EP1802648A2 Betulinol derivatives as anti-cancer agents |