| Patents for C07J 73 - Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms (1,160) |
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| 05/23/2013 | US20130131156 Cancer Treatment with Wortmannin Analogs |
| 05/08/2013 | CN102586004B Method for continuously extracting orange oil and limonin from citrus reticulata |
| 05/01/2013 | CN102391356B Steroid n-glycoside analogue taking dihydro-pyranoid ring as D ring and preparation and application thereof |
| 04/24/2013 | CN103059098A Preparation method of dutasteride |
| 04/24/2013 | CN103059097A Preparation method of dutasteride intermediate |
| 04/17/2013 | CN103044518A 3-oxo-7-oximido-4-aza-A-homo-chenodeoxycholic acid methyl ester and 3-O-benzyl oximido-7-aza-7a-oxo-B-homo-chenodeoxycholic acid methyl ester, and application of 3-oxo-7-oximido-4-aza-A-homo-chenodeoxycholic acid methyl ester and 3-O-benzyl oximido-7-aza-7a-oxo-B-homo-chenodeoxycholic acid methyl ester in preparing antineoplastic drug |
| 04/17/2013 | CN103044517A Preparation method of five dutasteride impurities |
| 04/10/2013 | CN102417534B Synthesis technology of dutasteride |
| 03/21/2013 | CA2848979A1 Plant steroids and uses thereof |
| 03/20/2013 | CN102977175A Application of glucosamine derivatives as small molecule drug kidney-targeting modifying groups |
| 03/20/2013 | CN101759762B Application of 4AD in preparing dutasteride |
| 02/27/2013 | CN102940687A Szechwan Chinaberry fruit extract and application thereof |
| 02/27/2013 | CN102190699B Marine algous endophytic fungus diterpenoid alkaloids and preparation and application thereof |
| 02/20/2013 | CN102936275A Method for separating and purifying impurities in sodium tanshinone IIA sulfonate crude drug |
| 02/13/2013 | CN102924561A Compound promoting activity of estrogen related receptor alpha (ERR alpha), and its use |
| 02/13/2013 | CN102241729B Synthetic method of 3-carbonyl-4-aza-5 alpha-androstane-17 beta-carboxylic acid methyl ester |
| 02/13/2013 | CN102002092B 3-hydroxytanshinone IIA sodium sulfonate as well as preparation method and application thereof |
| 02/06/2013 | CN102911247A Novel method for synthesizing finasteride by bromization elimination two-step process |
| 01/30/2013 | CN102234308B Refining method of tanshinone II A acrylic acid |
| 01/30/2013 | CN102190698B Alga endophytic fungi diterpenoid alkaloid compound, preparation method thereof and application thereof |
| 01/09/2013 | EP2543380A1 Neural stem cells proliferation promoting agent |
| 01/09/2013 | CN102863507A Dutasteride refining method |
| 01/09/2013 | CN102863506A Four cassane type diterpenoid compounds with antineoplastic activities |
| 01/09/2013 | CN102146114B Method for preparing tanshinone IIA |
| 01/02/2013 | CN102850427A Tanshinone IIA derivative and preparation and application thereof |
| 12/26/2012 | CN102838653A Preparation method of 3-carbonyl-4-aza-5 alpha-androstane compound |
| 12/05/2012 | CN102807598A Method for preparing finasteride |
| 11/21/2012 | CN102786576A Triptolide derivatives, and preparation methods, medicinal composition and uses thereof |
| 11/14/2012 | CN102286065B Novel abietane-type diterpene derivative as well as preparation method and application thereof |
| 11/14/2012 | CN102199186B Diterpene lactone compound and applications thereof |
| 11/08/2012 | WO2012083112A3 C- 17 -heteroaryl steroidal compounds as inhibitors of cyp11b, cyp17, and/or cyp21 |
| 11/07/2012 | CN102766190A Asymmetric synthesis method of triptolide intermediate |
| 10/24/2012 | CN102746368A Synthesis method of dutasteride intermediate |
| 10/24/2012 | CN102746360A Synthesis and application of four new conjugates of camptothecin-steroid |
| 10/24/2012 | CN101747406B Technology for producing triptodiolide with leaf of tripterygium |
| 10/17/2012 | CN101456897B Method for preparing 3-carbonyl-4-aza-5alpha-androstanes |
| 10/16/2012 | CA2485794C Triptolide derivatives for modulation of apoptosis and immunosuppression |
| 10/10/2012 | CN102167721B Method for extracting and purifying tanshinone monomeric compounds from red sage root |
| 10/03/2012 | CN102702303A Tanshinone derivative, medicinal composition thereof and application of tanshinone derivative to pharmacy |
| 10/03/2012 | CN102702302A Tanshinone class I derivant and synthesizing method and application thereof |
| 10/03/2012 | CN102153615B Method for extracting active ingredients from tangerine seeds |
| 09/26/2012 | CN102690318A Tanshinone II A sodium sulfonate crystal compound, preparation method thereof and medicine composition containing tanshinone II A sodium sulfonate crystal compound |
| 09/19/2012 | CN102675408A Preparation method for tanshinone IIA |
| 09/19/2012 | CN102675407A Preparation method of cryptotanshinone |
| 09/12/2012 | EP2496708A2 Method for producing triptolide |
| 09/12/2012 | CN102659914A Limonin analogue and separation and purification method thereof |
| 09/12/2012 | CN102659913A Reductive composition for preparing 24-epibrassinolide |
| 09/12/2012 | CN102659912A Oxygen-rich disesquiterpenes compound, and preparation method and application thereof |
| 09/07/2012 | WO2012116664A1 Method for inducing resistance to diseases in plants |
| 09/07/2012 | CA2828237A1 Method for inducing resistance to diseases in plants |
| 09/06/2012 | US20120226044 Process for the preparation of 4-azasteroids |
| 08/22/2012 | CN101775064B Synthesis method of 3-carbonyl-4-azepine-5alpha-androstane compound |
| 08/08/2012 | CN102002093B Method for preparing triptolide derivative |
| 08/01/2012 | CN102617699A Process for preparing nomilin monomer by industrial chromatography |
| 07/25/2012 | CN102603862A Finasteride purification method |
| 07/25/2012 | CN102603861A Tanshinone derivatives, medicine compositions thereof, and purposes thereof in medicine |
| 07/25/2012 | CN102219827B Method for preparing dutasteride |
| 07/25/2012 | CN101845075B 6-substituted-4-azepine-A-homo-3-oxosteroid compound and application thereof to preparing anti-tumor medicine |
| 07/25/2012 | CN101691393B Triptolide marked by coumarin and preparation method and application thereof |
| 07/18/2012 | CN102586004A Method for continuously extracting orange oil and limonin from citrus reticulata |
| 07/11/2012 | CN102558290A Novel technology for synthesis of finasteride via chlorination and dehydrogenation |
| 07/11/2012 | CN102558289A Synthesis method of gum rosin derivatives |
| 07/11/2012 | CN102558288A Preparation method of jolkinolide compound and application thereof |
| 07/11/2012 | CN102558287A Dehydro-tanshinone IIA sulfoacid and application thereof |
| 07/04/2012 | CN102532250A Przewalsikone A compound with anti-tumor activity and preparation method and application thereof |
| 07/04/2012 | CN102532249A 1-chloro tanshinone compound and preparation method thereof |
| 07/04/2012 | CN102532236A Steroid 5Alpha-reductase inhibitors, preparation methods thereof and medical applications thereof |
| 07/04/2012 | CN101863957B Method for synchronously extracting tanshinone IIA and salvianolic acid B from danshen root efficiently |
| 07/04/2012 | CN101781355B Method for preparing limonin, composition and application thereof |
| 06/27/2012 | EP1991559B1 Oxa-steroids derivatives as selective progesterone receptor modulators |
| 06/27/2012 | CN102516353A Germine steroid alkaloid derivative, its preparation and its application in antithrombotic medicines |
| 06/21/2012 | WO2012083112A2 Cyp11b, cyp17, and/or cyp21 inhibitors |
| 06/21/2012 | CA2819515A1 Cyp11b, cyp17, and/or cyp21 inhibitors |
| 06/19/2012 | CA2570468C Process for the preparation of 4-azasteroids |
| 06/13/2012 | CN102492014A Preparation method of tanshinone IIA tocopheryl acid phenolic ester derivative |
| 06/06/2012 | CN101265286B Method for separating and enriching cryptotanshinone from red sage root |
| 05/30/2012 | EP2457923A1 Sterol derivative |
| 05/23/2012 | CN101481401B Tripterygium wilfordii diterpenoid lactone derivative, pharmaceutical composition thereof and use in genital system tumor resistance |
| 05/09/2012 | CN102443045A N-substituted phenyl-14 beta -(aminomethyl) triptodiolide derivative and preparation method and application thereof |
| 05/09/2012 | CN102443044A N-substituted ester-containing phenyl-14 Beta-aminomethyl epitriptolide derivatives, preparation method and use thereof |
| 05/09/2012 | CN102443043A N-substituted-14 beta -(aminomethyl) triptodiolide derivative and preparation method and application thereof |
| 05/09/2012 | CN102443042A N-substituted methoxy-containing phenyl-14 Beta-aminomethyl epitriptolide derivatives, preparation method and use thereof |
| 05/09/2012 | CN102443041A N-substituted methyl phenyl-14 beta -(aminomethyl) triptodiolide derivative and preparation method and application thereof |
| 05/09/2012 | CN102443040A N-substituted fluorinated phenyl-14 beta-(aminomethyl) triptodiolide derivative and preparation method and application thereof |
| 05/09/2012 | CN102443039A N-substituted amino phenyl-14 beta-(aminomethyl) triptodiolide derivative and preparation method and application thereof |
| 05/09/2012 | CN102442916A Method for extracting natural activated products from orange drops |
| 04/18/2012 | CN102417534A 一种度他雄胺合成工艺 One kind of dutasteride synthesis process |
| 04/04/2012 | CN102399258A 一种雄甾并[17,16-d][1,2,4]三氮唑并[1,5-a]嘧啶类衍生物及其合成、应用 One kind Androst and [17,16-d] [1,2,4] triazolo [1,5-a] pyrimidine derivatives and their synthesis, application |
| 03/28/2012 | CN102391356A Steroid n-glycoside analogue taking dihydro-pyranoid ring as D ring and preparation and application thereof |
| 03/28/2012 | CN101638426B New preparation method for triptolide |
| 03/22/2012 | WO2012035553A1 Process for preparing androstenone derivatives |
| 03/21/2012 | CN102382165A Preparation method of dutasteride |
| 02/28/2012 | US8124614 Steroidal compounds for inhibiting steroid sulphatase |
| 02/16/2012 | US20120041016 11-Aza, 11-Thia and 11-Oxa Sterol Compounds and Compositions |
| 02/08/2012 | EP2414378A1 Purification 4-aza-androst-1-ene-17-oic acid from 4-aza-androstan-17-oic acid |
| 02/08/2012 | CN102344483A Preparation method for limonin analogues |
| 02/01/2012 | CN101426806B 作为选择性黄体酮受体调节剂的氧杂-甾族衍生物 As selective progesterone receptor modulators oxa - steroid derivative |
| 01/04/2012 | CN102304166A Tanshinone derivative and pharmaceutical composition thereof as well as application of tanshinone derivative in pharmacy |
| 01/04/2012 | CN101693733B Method for synthesizing 3-carbonyl-4-aza-5alpha- androstane |
| 12/21/2011 | CN102286066A 6-氧代-7-氧杂-B-Homo-胆甾-3-缩氨硫酰腙化合物的制备方法及其在抗肿瘤药物中的应用 6-oxo-7-oxa -B-Homo- cholesteric preparation -3- reduction of ammonia and sulfur compounds acylhydrazone application of anticancer drugs |