| 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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| 06/15/2006 | WO2006061309A1 Process for the preparation of drospirenone |
| 06/15/2006 | CA2589928A1 Process for the preparation of drospirenone |
| 06/08/2006 | WO2006059168A1 A PROCESS FOR THE PREPARATION OF 17-HYDROXY-6β,7β;15β,l6β-BISMETHYLENE-17α-PREGN-4-ENE-3-ONE-21-CARBOXYLIC ACID Ϝ-LACTONE AND KEY-INTERMEDIATES FOR THIS PROCESS |
| 06/08/2006 | WO2006059167A1 INDUSTRIAL PROCESS FOR THE PREPARATION OF 17-HYDROXY-6β,7β;15β,16β-BISMETHYLENE-3-OXO-17α-PREGN-4-ENE-21-CARBOXYLIC ACID Ϝ-LACTONE AND KEY-INTERMEDIATES FOR THIS PROCESS |
| 06/07/2006 | CN1258536C Pineapple acid glycoside compound and its use |
| 05/30/2006 | US7053228 Cushing disease; antidepressant; modulate immunology response |
| 05/30/2006 | US7053076 Bile-acid derived compounds for enhancing oral absorption and systemic bioavailability of drugs |
| 05/24/2006 | EP1658305A1 Novel fusidic acid derivatives |
| 05/18/2006 | WO2006053255A2 Novel betulin derivatives, preparation thereof and use thereof |
| 05/18/2006 | CA2587498A1 Novel betulin derivatives, preparation thereof and use thereof |
| 05/17/2006 | CN1772761A Serial cyclovirobuxine compounds as new medicine for preventing and treating cardiac vascular diseases and their prepn |
| 05/11/2006 | WO2006050158A2 Hair and skin protecting compositions based on esters or ethers of betulin |
| 05/04/2006 | WO2006045171A2 Process for obtaining dry steroids derivative from ergostane |
| 05/04/2006 | US20060093571 Hair and skin protecting compositions based on esters or ethers of betulin |
| 05/02/2006 | US7038040 Process for preparation of 9, 11-epoxy steroids and intermediates useful therein |
| 04/11/2006 | US7026305 Anti-HIV agents with dual sites of action |
| 04/05/2006 | EP1642902A2 Method of obtaining taxosteroids and precursors thereof |
| 03/30/2006 | WO2006032970A2 PROCESS FOR PREPARING 7α-ALKOXYCARBONYL SUBSTITUTED STEROIDS |
| 03/30/2006 | CA2579954A1 Process for preparing 7.alpha.-alkoxycarbonyl substituted steroids |
| 03/23/2006 | US20060063944 Estrone derivatives and process for producing same |
| 03/23/2006 | CA2607177A1 Betulinol derivatives as anti-cancer agents |
| 03/21/2006 | CA2124932C Sex steroid activity inhibitors |
| 03/16/2006 | US20060058274 Use of an aldosterone receptor antagonist to improve cognitive function |
| 03/16/2006 | CA2579231A1 Anti-tumor compounds with angeloyl groups |
| 03/15/2006 | CN1747964A Medicament for inhibiting tumour growth |
| 03/02/2006 | DE102004040690A1 Selektiver Inhibitor der 11beta-Hydroxysteroid Dehydrogenase Selective inhibitor of 11beta-hydroxysteroid dehydrogenase |
| 03/01/2006 | CN1243767C Immunomodulatory steroids, in particular hemihydrate of 16 alpha-bromoepiandrosterone |
| 02/22/2006 | EP1626980A1 Neuroactive 13,24-cyclo-18,21-dinorcholanes and structurally-related pentacyclic steroids |
| 02/21/2006 | US7002027 Drug delivery enhancing agents with cholic acid and monosaccharide groups for treating cancer by gene therapy; tissue or organs having an epithelial membrane |
| 02/15/2006 | EP1624855A2 Pharmaceutical compositions and dosage forms for administration of hydrophobic drugs |
| 02/15/2006 | CN1733792A Cyclovirobuxine extraction and purification method |
| 02/09/2006 | US20060030551 Bile-acid derived compounds for enhancing oral absorption and systemic bioavailability of drugs |
| 02/08/2006 | EP1237904B1 14,15-beta-methylene substituted androgens |
| 02/01/2006 | EP1169336B1 Ent-steroids as selectively active estrogens |
| 01/31/2006 | US6993229 Method of making spun optical fiber with low PMD |
| 01/19/2006 | US20060014972 Method of fluorination |
| 01/11/2006 | CN1235908C 16,17-carbocyclic condensed steroid compounds having seletive estrogenic activity |
| 01/05/2006 | WO2006002248A1 Monoacylated betulin and dihydrobetulin derivatives, preparation thereof and use thereof |
| 01/03/2006 | US6982329 provides synthetic methodology that may be employed to prepare steroid compounds having specified chemical functionality; steroids containing cyclohexene moiety are oxidized to corresponding alpha , beta -unsaturated ketone |
| 12/21/2005 | EP1144431B1 16-hydroxyestratrienes as selective estrogens |
| 11/23/2005 | EP1597267A2 Pharmacodynamic assay for inhibitors of 11-beta-hydroxysteroid dehydrogenase activity in animal tissues |
| 11/17/2005 | US20050256094 especially those of the 20-spiroxane series; 11,12-epoxy steroid, 4,5-9,11-diepoxy steroid and 12-keto intermediates; Pregn-4-ene-7,21-dicarboxylic acid, 9,11-epoxy-17-hydroxy-3-oxo-,?-lactone, methyl ester, (7a,11a,17a)-; eplerenone or epoxymexrenone; minimum of isolation steps |
| 11/16/2005 | EP1594885A1 Medicament for inhibiting tumour growth |
| 11/10/2005 | WO2005105824A1 A precess for preparation of timosaponin b ii |
| 11/09/2005 | CN1693310A Process for preparing rhizoma anemarrhenae saponin BII |
| 11/09/2005 | CN1226304C Methylene steroids as novel androgens |
| 10/27/2005 | US20050239761 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein |
| 10/27/2005 | US20050239748 Pharmaceutical salts of 3-O-(3',3'-dimethylsuccinyl) betulinic acid |
| 10/12/2005 | EP1313485B1 Use of an aldosterone receptor antagonist to improve cognitive function |
| 10/11/2005 | US6953851 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein |
| 10/06/2005 | WO2005092912A1 Progesterone receptor modulators |
| 10/06/2005 | US20050222098 Regulation of meiosis |
| 10/06/2005 | DE102004012951A1 Preparation of 3-hydroxy-protected betulinic acid comprises oxidation of 3-hydroxy-protected betulin and further oxidation of the obtained intermediate 3-hydroxy-protected-betulinaldehyde |
| 09/29/2005 | WO2005090380A1 Pharmaceuticals salts of 3-o-(3',3'-dimethylsuccinyl) betulinic acid |
| 09/29/2005 | CA2560266A1 Pharmaceutical salts of 3-o-(3',3'-dimethylsuccinyl) betulinic acid |
| 09/28/2005 | EP1580192A2 16-Hydroxyestratrienes as selective estrogens |
| 09/27/2005 | US6949531 14 β, 16, 17-methylene steroids as novel androgens |
| 09/22/2005 | US20050209206 Pharmaceutical formulation comprising an androstane derivative and a solubilising agent in an aqueous liquid carrier |
| 09/21/2005 | CN1670030A Preparation of privet total triterpenic acid extract and use thereof |
| 09/13/2005 | US6943260 From methanolic extract of ground plane bark; centrifuging |
| 09/07/2005 | EP1571153A2 A process for the preparation of drospirenone |
| 09/01/2005 | US20050192450 starting from 5,6 beta -epoxy-7 beta -hydroxy-15 beta ,16 beta -methylene-3 beta -pivaloyloxy-5 beta -androstan-17-one; oxidation step is carried out by microbiological route using acetic bacteria; high degree of purity |
| 09/01/2005 | CA2761534A1 A process for the preparation of drospirenone |
| 08/25/2005 | WO2005077968A2 17-methylene-or 17 - spiro - cyclopropane 7 - substituted estra - 1, 3, 5 (10) - triene derivatives with anti - estrogenic activity |
| 08/25/2005 | CA2552843A1 Steroids for cancer treatment |
| 08/23/2005 | US6933395 PROCESSING FOR PRODUCING OF DROSPIRENONE (6β, 7β, 15β, 16β-DIMETHYLENE-3-OXO-17α-PREGN-4-EN-21, 17-CARBOLACTONE, DRSP) AS WELL AS 7α-(3-HYDOXY-1-PROPLY)-6β, 7β; 15β, 16β-DIMETHYLENE-5β-ANDROSTANE-3β, 5,17β-TRIOL(ZK 92836) AND 6β, 7β; 15β, 16β-DIMETHYLENE-5β-HYDROXY |
| 08/11/2005 | US20050176953 Having semiconductor properties of electron transfer, electroluminescence, and photoluminescence. Intermolecular stacking can be avoided, enhanced electron-luminescent emission stability, applied as a light-emitting material in organic EL devices |
| 08/03/2005 | CN1649891A Improved synthesis of cyproterone acetate |
| 08/03/2005 | CN1649653A Methods for treating deodorizer distillate |
| 07/28/2005 | US20050164997 a 3-oxo-androstancarbothioic acid compound; respiaratory system disorder |
| 07/21/2005 | US20050159594 Aldosterone receptor antagonist; comprises 7-methyl hydrogen 4a,5a;9a,11a-diepoxy-17 hydroxy-3-oxo-17a-pregnane-7a,21-dicarboxylate, gamma-lactone as dopant |
| 07/20/2005 | EP1242444B1 Process for preparing 17alpha-acetoxy-11beta- 4-n,n-(dimethylamino)phenyl]-21-methoxy-19-norpregna-4,9-diene-3,20-dione, intermediates useful in the process, and processes for preparing such intermediates |
| 07/20/2005 | EP0814795B1 Topical use of betulinic acid for the treatment of malignant melanoma |
| 07/13/2005 | EP1551790A2 Monoacylated betulin and dihydrobetulin derivatives, preparation thereof and use thereof |
| 07/07/2005 | US20050148561 Novel triterpene derivatives, preparation thereof and use thereof |
| 06/23/2005 | WO2005042422A3 Optical fiber with low pmd and method of making it by spinning |
| 06/22/2005 | CN1630528A Brain cell or nerve cell protecting agents comprising ginseng |
| 06/16/2005 | US20050130947 6alpha, 9alpha-Difluoro-17alpha-((2-furanylcarbonyl)oxy)-11beta-hydroxy-16alpha-methyl-3-oxo-androsta-1,4-diene-17beta-carbothioic acid S-fluoromethyl ester completely dissolved in a liquified hydrofluoroalkane (HFA) gas as propellant; for asthma or chronic obstructive pulmonary disease (COPD) |
| 06/08/2005 | CN1205219C Unsaturated 14,15-cyclopropane-cendrostanes, a method for their production and pharmaceutical compositions containing these compounds |
| 05/24/2005 | US6896911 Saponification, dehydration, leaching |
| 05/19/2005 | WO2005044837A1 The conjugates of a hydrophilic polymer-buxus's extracts and the pharmaceutical compositions of thereof |
| 05/18/2005 | CN1202120C Anti-pregnancy hormone active steroid with fluorated 17 alpha-alkyl-chain |
| 05/12/2005 | WO2005042422A2 Optical fiber with low pmd and method of making it by spinning |
| 05/12/2005 | US20050101573 Meiosis regulating compounds |
| 05/11/2005 | CN1613868A Conjugate of hydrophilic polymer-fustic extract and medicinal composition |
| 05/10/2005 | US6890533 Betulinol derivatives |
| 05/03/2005 | US6887991 Converting a 7-cyano substituted steroid to the corresponding 7- carboxylic acid substituted steroid, and thereafter converting the 7-carboxylic acid substituted steroid to the corresponding 5,7-lactone substituted steroid |
| 04/26/2005 | US6884796 Useful for relieving infertility in females and males |
| 04/21/2005 | WO2004028455A3 Monoacylated betulin and dihydrobetulin derivatives, preparation thereof and use thereof |
| 04/19/2005 | US6881728 14-β, 17-α-hydroxymethylandrostane derivatives as androgens |
| 04/14/2005 | US20050080060 Antigestagenically active steroids with a fluorinated 17alpha-alkyl chain |
| 04/13/2005 | EP1294739B1 16,17-carbocyclic condensed steroid compounds having selective estrogenic activity |
| 04/07/2005 | WO2005030790A1 Novel triterpene derivatives, preparation thereof and use thereof |
| 04/07/2005 | CA2540160A1 Novel triterpene derivatives, preparation thereof and use thereof |
| 03/31/2005 | US20050069267 Method of making spun optical fiber with low PMD |
| 03/29/2005 | CA2100514C 17-spiromethylene steroids |
| 03/17/2005 | WO2005007669A8 Novel fusidic acid derivatives |
| 03/17/2005 | US20050059642 Plant fungicides and bactericides; antibiotic resistant staphylococcus and enterococcus; turf grasses; improved chemical resistance and stability |
| 03/16/2005 | CN1594355A Cyclovirobuxinum D crystal, its mono-methanol crystal, and preparation and use thereof |
| 03/16/2005 | CN1594354A Oleanolic acid couple derivatives and their pharmaceutical use |