| Patents for C07J 21 - Normal steroids containing carbon, hydrogen, halogen, or oxygen, having an oxygen-containing hetero ring spiro-condensed with the cyclopenta[a]hydrophenanthrene skeleton (1,576) |
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| 03/20/2012 | CA2498634C A process for the preparation of drospirenone |
| 02/15/2012 | EP2417149A1 Methods for the preparation of drospirenone |
| 02/15/2012 | EP2417148A1 Progesterone antagonists spiro condensed in position 17 with a difluoromethylene- substituted perhydrofurane group |
| 01/18/2012 | CN102321139A Synthetic method of spironolactone |
| 12/28/2011 | CN1869053B 一种从西洋参叶中提取分离人参皂苷混合物的方法 A method for the extraction and separation of the mixture of ginsenosides from ginseng leaves |
| 12/22/2011 | WO2011157443A1 (11b,17a)-11-(4-(2-11c-acetyl)phenyl)-17,23-epoxy-19,24-dinorchola-4,9,20-trien-3-one |
| 11/02/2011 | CN101466723B Industrial process for the synthesis of 17a-acetoxy-11ss-[4-(n,n-dimethyl-amino)- phenyl]-19-norpregna-4,9-diene-3,20-dione and new intermediates of the process |
| 10/27/2011 | US20110263553 Steroid analogues for neuroprotection |
| 10/12/2011 | EP2160398B1 INDUSTRIAL METHOD FOR THE SYNTHESIS OF 17-ACETOXY-11ß-[4-(DIMETHYLAMINO)-PHENYL]-21-METHOXY-19-NORPREGNA-4,9-DIEN-3,20-DIONE AND THE KEY INTERMEDIATES OF THE PROCESS |
| 09/28/2011 | EP2367808A2 PROGESTATIONAL 3-(6,6-ETHYLENE-17b-HYDROXY-3-OXO-17a-PREGNA-4-ENE-17a-YL) PROPIONIC ACID g-LACTONES |
| 09/20/2011 | US8021839 Quantitative analysis; optical properties; kits |
| 09/14/2011 | CN102180933A Preparation method of skunk bugbane monomer components |
| 09/14/2011 | CN102180932A Method for preparing steroid saponin DT-13 |
| 09/14/2011 | CN102180931A Method for extracting ardipusilloside |
| 08/30/2011 | US8007938 Nonaqueous electrolyte solution and lithium secondary battery using same |
| 08/23/2011 | US8003629 21-substituted progesterone derivatives as new antiprogestational agents |
| 08/11/2011 | US20110195942 Method of making and using 7alpha, 11beta-dimethyl-17beta-hydroxyestr-4-en-3-one 17-undecanoate |
| 08/04/2011 | DE102010006885A1 Preparing drospirenone, comprises reacting methyleneprasterone with (ethoxyethoxy)-butene nitrile using strong base, converting methyleneprasteron-spirolactone, enolizing methylen-spirolacton-andro st-en-one, oxidizing and adding methylene |
| 08/04/2011 | DE102010006884A1 Preparing drospirenone, comprises reacting methyleneprasterone with 1-halopropan-3-acetal compounds, oxidatively converting methylene-hydroxy-(dialkoxypropyl)-prasterone, enolizing methylen-spirolacton-androsten-one, and oxidizing |
| 08/04/2011 | DE102010006818A1 Producing drospirenone, useful as hormonal contraceptives, by oxidatively converting hydroxy-dimethylenandrostane-one to hydroxy-dimethylenandrostan-dione, eliminating hydroxy group, followed by reacting with 1-halopropan-3-oxy |
| 07/27/2011 | EP2348033A2 Process for obtaining 17alfa-acetoxy-11beta-(4-n,n-dimethylaminophenyl)-19-norpregna-4,9-diene-3,20-dione |
| 07/14/2011 | DE102010004452A1 Preparing drospirenone comprises reacting methyleneprasterone with strong base and with lithium and bromopropyl-trimethylsilylether, removing trimethylsilyl-protecting group and oxidatively cyclizing methylene-hydroxy-(propanol)-prasterone |
| 07/14/2011 | DE102010004450A1 Making drospirenone, useful as hormonal contraceptive, comprises reacting methylenedienedione with strong base and bromopropyl-trimethylsilylether, removing trimethylsilyl group and cyclizing methylene-hydroxy-(propanol)-androst-dien-one |
| 06/23/2011 | WO2011075701A2 Methods for the purification of deoxycholic acid |
| 06/23/2011 | CA2782478A1 Methods for the purification of deoxycholic acid |
| 06/15/2011 | CN101177446B Novel method for stereo-selective chemosynthesis of drospirenone |
| 06/07/2011 | CA2628607C Androgen synthesis inhibitors |
| 05/17/2011 | CA2423358C Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers |
| 05/04/2011 | CN102040650A Method for constructing sterides-6beta, 7beta-methylene structure by cascade reaction |
| 05/04/2011 | CN102040649A Synthesis process for preparing steride 6-fluorine with NFOBS (N-Fluoro-Ortho-Benzenedisulfonimide) or NBSI fluorinating agent |
| 05/04/2011 | CN102040645A Synthetic process for preparing 6alpha-fluoro steroids by using NFOBS or NBSI fluorinating agent |
| 03/23/2011 | CN101565443B New fir triterpene lactone compound, preparation method and application thereof |
| 02/16/2011 | EP2284176A1 Process for preparing guggulsterones and guggulsterol |
| 02/09/2011 | CN101967171A Hydroxy removing process for eplerenone intermediate |
| 02/03/2011 | US20110028711 Unsaturated Steroid Compounds |
| 01/27/2011 | US20110021472 17-hydroxy-19-nor-21-carboxylic acid-steroid y-lactone derivative, use thereof, and medicament containing the derivative |
| 01/06/2011 | US20110003779 15, 16-methylene-17-(1'-propenyl)-17,3'-oxidoestra-4-en-3-one derivative , use thereof, and medicament containing said derivative |
| 12/16/2010 | US20100317632 17-(1'propenyl)-17-3'-oxidoestra-4-en-3-one derivative, use thereof, and medicament containing said derivative |
| 12/15/2010 | CN101918426A 17-(1'-propenyl)-17-3'-oxidoestra-4-en-3-one derivative, use thereof, and medicament containing said derivative |
| 12/09/2010 | US20100311702 19-nor-steroid derivatives with a 15alpha, 16alpha-methylene group and a saturated 17, 17-spiro-lactone ring, use thereof, and medicaments containing said derivatives |
| 12/07/2010 | US7846917 18-Methyl-19-norandrost-4-ene 17, 17-spiro ether (18-methyl-19-nor-20-spirox-4-en-3-one), and pharmaceutical products comprising the same |
| 11/30/2010 | US7842680 Diene and triene compounds and formulations |
| 11/25/2010 | US20100298281 Steroid-Derived Cyclopamine Analogs and Methods for Using the Same in the Prevention or Treatment of Cancer |
| 10/27/2010 | CN101318986B Method for synthesizing eplerenone |
| 10/21/2010 | WO2010118560A1 Preparation method for eplerenone |
| 10/20/2010 | CN101863951A Method for preparing eplerenone |
| 10/14/2010 | WO2010118025A1 Progesterone antagonists spiro condensed in position 17 with a difluoromethylene- substituted perhydrofurane group |
| 10/14/2010 | WO2010118023A1 Methods for the preparation of drospirenone |
| 10/13/2010 | EP2238147A2 17-(1'-propenyl)-17-3'-oxidoestra-4-en-3-one derivative, use thereof, and medicament containing said derivative |
| 09/28/2010 | US7803936 Compounds and methods for labeling oligonucleotides |
| 09/16/2010 | US20100234335 Neurosteroid compounds |
| 09/02/2010 | US20100222571 Process for the preparation of drospirenone |
| 08/25/2010 | CN101812108A Synthesis of hydrocortisone butyrate |
| 07/27/2010 | US7763596 Antiinflamamtory agents; immunosuppressants; antiproliferative agents; treating haematology; reduced harmful side-effects |
| 07/27/2010 | CA2427569C Selective glucocorticoid receptor agonists |
| 07/22/2010 | US20100184735 Locally active "soft" antiandrogens |
| 07/21/2010 | CN101784558A neurosteroid compounds |
| 07/20/2010 | US7759330 21-substituted progesterone derivatives as new antiprogestational agents |
| 06/03/2010 | US20100137264 Progestational 3-(6,6-ethylene-17b-hydroxy-3-oxo-17a-pregna-4-ene-17a-yl)propionic acid g-lactones |
| 06/02/2010 | CN101717426A Method for producing oxygen bridge material |
| 06/01/2010 | US7728157 Oxidizing only a primary hydroxy on a fused ring to form an aldehyde, leaving the secondary OH alone; sulfating with pyridine:SO3 the primary OH on a fused ring leaving the secondary OH alone. |
| 05/06/2010 | US20100113408 21-substituted progesterone derivatives as new antiprogestational agents |
| 04/14/2010 | EP2173761A2 PROCESS FOR THE SYNTHESIS OF 9a-HYDROXY-STEROIDS |
| 03/31/2010 | CN101687903A Process for the synthesis of 9alpha-hydroxy-steroids |
| 03/16/2010 | US7678781 11-phosphorous steroid derivatives useful as progesterone receptor modulators |
| 03/10/2010 | EP2160398A2 INDUSTRIAL METHOD FOR THE SYNTHESIS OF 17-ACETOXY-11ß-[4-(DIMETHYLAMINO)-PHENYL]-21-METHOXY-19-NORPREGNA-4,9-DIEN-3,20-DIONE AND THE KEY INTERMEDIATES OF THE PROCESS |
| 03/04/2010 | US20100056487 Modulators of amyloid-beta production |
| 03/03/2010 | EP2158209A2 Neurosteroid compounds |
| 02/25/2010 | US20100048887 Compounds including an anti-inflammatory pharmacore and methods of use |
| 02/23/2010 | US7667056 Process and new intermediates for the preparation of steroids with a progestogen activity |
| 02/10/2010 | EP2150256A1 Locally active "soft" antiandrogens |
| 01/28/2010 | US20100022643 Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers |
| 01/26/2010 | CA2427632C Process for the production of 4-(17.alpha.-substituted-3-oxoestra-4,9-dien-11.beta.-yl)benzaldehyde-(1e or 1z)-oximes |
| 01/14/2010 | WO2009004394A8 PROCESS FOR THE SYNTHESIS OF 9α-HYDROXY-STEROIDS |
| 01/12/2010 | US7645872 Compounds and methods for labeling oligonucleotides |
| 01/07/2010 | WO2010000070A1 Methods for obtaining cyclopamine |
| 01/07/2010 | CA2727986A1 Methods for obtaining cyclopamine |
| 01/06/2010 | CN101622268A Industrial method for the synthesis of 17-acetoxy-11beta-[4-(dimethylamino)-phenyl]-21-methoxy-19-norpregna-4,9-dien-3,20-dione and the key intermediates of the process |
| 01/06/2010 | CN100577681C Compounds, compositions and methods for treatment of inflammatory diseases and conditions |
| 01/04/2010 | CA2636807A1 Methods for obtaining cyclopamine |
| 12/29/2009 | US7638509 Diene compounds and formulations |
| 12/23/2009 | EP2135611A1 Pregn-5-en-20-yne-3,7,17-triol derivatives for use in therapy |
| 12/10/2009 | CA2724130A1 Methods for preparing 17-alkynyl-7-hydroxy steroids and related compounds |
| 12/09/2009 | CN101597316A Method for preparing drospirenone intermediates |
| 12/09/2009 | CN100567320C Midbody of steroid, and application |
| 12/03/2009 | WO2008155534A9 Neurosteroid compounds |
| 11/17/2009 | CA2406847C Regioselective and stereoselective oxidation of fused ring systems useful for the preparation of aminosterols |
| 11/17/2009 | CA2402524C Methods of making and using 7.alpha.,11.beta.-dimethyl-17.beta.-hydroxy-4-estren-3-one 17.beta.-trans-4-n-butylcyclohexane carboxylate and 7.alpha.,11.beta.-dimethyl-17.beta.-hydroxyestr-4-en-3-one 17-undecanoate |
| 11/12/2009 | CA2723689A1 Synthesis of (+) corstistatin a and related compounds |
| 10/28/2009 | CN101565443A New fir triterpene lactone compound, preparation method and application thereof |
| 10/15/2009 | WO2009124460A1 Tripterygium wilfordii diterpene lactone derivatives, their pharmaceutical compositions and their application in inhibiting tumour of reproductive system |
| 09/24/2009 | WO2009083268A3 17-(1'-propenyl)-17-3'-oxidoestra-4-en-3-one derivative, use thereof, and medicament containing said derivative |
| 09/08/2009 | CA2253673C 21-substituted progesterone derivatives as new antiprogestational agents |
| 08/27/2009 | US20090215890 Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers |
| 08/19/2009 | CN100529759C Methods of screening apoptosis modulating compounds, compounds identified by said methods and use of said compounds as therapeutic agents |
| 08/11/2009 | US7572605 1,2,3,tris(4-hydroxy-butyroyloxy)propane; enhance the uptake of the drug, deliver effective therapeutic doses in a time-delayed fashion, and target specific organs |
| 08/05/2009 | CN101497641A Method for synthesizing delta 24(28) cholesterol compounds |
| 07/29/2009 | EP2081951A1 Progesterone receptor antagonists |
| 07/16/2009 | US20090181936 antiandrogen compounds, such as 3 beta -acetoxyandrost-1,5-diene-17-ethylene ketal and 3 beta -hydroxyandrost-1,5-diene-17-ethylene ketal, and methods for their use in the prevention and treatment of conditions mediated by androgen receptors, such as prostrate cancer |
| 07/09/2009 | WO2009083268A2 17-(1'-propenyl)-17-3'-oxidoestra-4-en-3-one derivative, use thereof, and medicament containing said derivative |