| 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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| 05/31/2006 | EP1660184A2 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 05/17/2006 | EP1657247A1 Steroidal compounds for inhibiting steroid sulphotase |
| 05/11/2006 | US20060100434 dehydrogenating 17 beta -substituted 3-oxo-4-azasteroids to prepare the corresponding 17 beta -substituted 3-oxo-4-azasteroids which have a double bond in the 1,2-position |
| 05/03/2006 | EP1651661A1 Process for the preparation of finasteride form i |
| 04/27/2006 | WO2006044453A1 Analogs of 17-hydroxywortmannin as pi3k inhibitors |
| 04/27/2006 | CA2582163A1 Analogs of 17-hydroxywortmannin as pi3k inhibitors |
| 04/19/2006 | EP1051177B1 Steroid 3-o-sulphamate derivatives as inhibitors of oestrone sulphatase |
| 04/12/2006 | EP1409513B1 Methylene-4-azasteroids |
| 04/05/2006 | EP1641761A2 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 04/05/2006 | EP1641535A2 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 04/05/2006 | EP1641464A2 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 04/04/2006 | USRE39056 4-Azasteroids for treatment of hyperandrogenic conditions |
| 03/22/2006 | CN1748725A Process for preparing semen momordicae seed extract containing triterpene saponin component |
| 03/08/2006 | EP1448592B1 Steroidal compounds for inhibiting steroid sulphatase |
| 03/07/2006 | US7009063 Process for the production of oxandrolone |
| 03/01/2006 | CN1243767C Immunomodulatory steroids, in particular hemihydrate of 16 alpha-bromoepiandrosterone |
| 02/22/2006 | EP1028734B1 Use of specific steady-state r-type calcium channel blockers |
| 01/26/2006 | US20060019979 Method for the selective preparation of 3-oxo-4-aza-5a androstane compound |
| 01/25/2006 | EP1619200A1 Process for the preparation of 4-azasteroids |
| 01/24/2006 | CA2166090C Novel process for preparing 17.beta.-substituted 4-azaandrostane derivatives |
| 01/12/2006 | WO2006002966A1 Process for the preparation of 4-azasteroids |
| 11/24/2005 | WO2005110958A1 Oxidation reaction of alcohol using hydrogen peroxide and tungsten catalyst |
| 11/10/2005 | WO2005105091A1 Fluorinated 4-azasteroids as androgen receptor modulators |
| 11/10/2005 | CA2564564A1 Fluorinated 4-azasteroids as androgen receptor modulators |
| 10/27/2005 | US20050239863 Indole diterpene natural product and synthetic compound; Potassium channel blockers or a formulation thereof in the treatment of glaucoma and other conditions related to elevated intraocular pressure in the eye |
| 10/27/2005 | US20050239787 Novel maxi-k channel blockers, methods of use and process for making the same |
| 10/13/2005 | US20050228008 Process for obtaining the polymorphic form I of finasteride |
| 09/28/2005 | EP1580194A1 Method of obtaining polymorphic form i of finasteride |
| 09/27/2005 | US6949561 polycyclic compound comprises sulphamate group attached to one of the ring components, wherein ring is naphtho(2,1-f)quinoline |
| 09/14/2005 | CN1668632A Method for introducing a 1, 2 double bond into 3-oxo-4-azasteroid compounds |
| 08/18/2005 | WO2005075497A1 PROCESS FOR THE PREPARATION OF 17ß-SUBSTITUTED-3-OXO-4-AZA-5ALPHA-ANDROSTANE DERIVATIVES |
| 08/16/2005 | US6930214 produces high yield from an industrially easily available material by using a substance with which the reaction operation is simple and handling is easy, with a small number of steps under moderate reaction conditions |
| 08/11/2005 | WO2005073244A1 Selective estrogen receptor modulators |
| 08/10/2005 | CN1652786A Fluorinated 4-azasteroid derivatives as androgen receptor modulators |
| 07/28/2005 | US20050165039 Fluorinated 4-azasteroid derivatives as androgen receptor modulators |
| 07/21/2005 | WO2005066196A1 Amorphous form of finasteride and processes for its preparation |
| 07/21/2005 | WO2005066195A1 Method for producing 1,2-unsaturated azasteroids |
| 06/16/2005 | US20050131005 4-azasteroid derivatives as androgen receptor modulators |
| 06/15/2005 | EP1539703A1 Method for the selective preparation of 3-oxo-4-aza-5a-androstane compound |
| 06/09/2005 | US20050124643 Steroid 3-O-sulphamate derivatives as inhibitors of oestrone sulphatase |
| 06/02/2005 | WO2005005606A3 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 06/02/2005 | WO2005005380A3 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 05/19/2005 | US20050107416 17-hydroxy 4-aza androstan -3-ones as androgen receptor modulators |
| 05/06/2005 | WO2005009949A3 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 04/20/2005 | EP1523490A1 Method for introducing a 1,2 double bond into 3-oxo-4-azasteroid compounds |
| 04/07/2005 | WO2005004807A3 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 03/30/2005 | CN1194985C Diterpene compound of veronicastrum sibiricum and its extraction separation method |
| 03/23/2005 | EP1515974A2 Novel maxi-k channel blockers, methods of use and process for making the same |
| 03/23/2005 | EP1515730A1 Novel maxi-k channel blockers, methods of use and process for making the same |
| 03/17/2005 | US20050059692 Chemical synthesis of Dutasteride by reacting 3-oxo-4-aza-5 alpha -androst-1-ene-17 beta -carboximide and 2-Iodo-1,4-bis (trifluoromethyl) benzene; dehydroiodination; androgen responsive and mediated diseases |
| 03/17/2005 | US20050059691 Novel polymorphic form of 17-beta-(N-ter. butyl carbamoyl)-4-aza-5-alpha-androst-1-en-3-one and a process for preparing it |
| 02/09/2005 | EP1504021A1 Process for dehydrogenation of azaandrostane compounds |
| 02/03/2005 | WO2005009949A2 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 02/03/2005 | CA2530047A1 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 02/02/2005 | EP1501512A2 4-azasteroid derivatives as androgen receptor modulators |
| 01/20/2005 | WO2005005606A2 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 01/20/2005 | WO2005005380A2 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 01/20/2005 | WO2005004807A2 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 01/20/2005 | US20050014776 Steroidal compounds for inhibiting steroid sulphatase |
| 01/20/2005 | CA2530182A1 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 01/20/2005 | CA2530048A1 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 01/20/2005 | CA2530025A1 17-acetamido-4-azasteroid derivatives as androgen receptor modulators |
| 01/13/2005 | WO2005003149A1 Process for the preparation of finasteride form i |
| 01/12/2005 | CN1563075A Method of preparing general phenolic acid of red sange root for treating hepatic fibrosis |
| 01/12/2005 | CN1563074A Compound of steroid saponin class, preparation method and combination of medication containing compound |
| 01/06/2005 | US20050004376 Process for the production of oxandrolone |
| 12/16/2004 | US20040254209 oxidation with potassium permanganate to cleave oxazolidinedione ring in methanol solvent, and reacting with potassium t-butoxide in dimethylformamide to deblock; testosterone-5 alpha -reductase inhibitors, for treatment of hyperandrogenic disorders |
| 12/15/2004 | EP1485095A1 Fluorinated 4-azasteroid derivatives as androgen receptor modulators |
| 12/09/2004 | US20040248921 Reducing androgen levels; acne, prostate diseases, alopecia, hirsutism; such as 17-chloromethylene-4-aza-5-alpha-estran-3-one |
| 12/02/2004 | US20040242942 produces high yield from an industrially easily available material by using a substance with which the reaction operation is simple and handling is easy, with a small number of steps under moderate reaction conditions |
| 11/24/2004 | CN1549822A Methylene-4-azasteroids |
| 11/23/2004 | CA2171329C Androstenones |
| 11/18/2004 | WO2004064722A3 Process for the production of oxandrolone |
| 11/09/2004 | CA2170047C Androstenone derivative |
| 10/20/2004 | EP1468983A1 Process for producing 2,5-bis(trifluoromethyl)nitrobenzene |
| 10/20/2004 | EP1467739A2 17-hydroxy-4-aza-androstan-3-ones as androgen receptor modulators |
| 10/13/2004 | EP1335930B1 Process for the preparation of 3-oxo-4-azasteroids |
| 09/30/2004 | WO2004083230A1 Novel crystalline forms of finasteride |
| 09/21/2004 | US6794508 Process |
| 09/07/2004 | US6787659 Process for the production of oxandrolone |
| 09/02/2004 | US20040171595 new process for the preparation of a key intermediate |
| 09/01/2004 | CN1524872A Active ingredient of jasmine root, extracting method and uses thereof |
| 08/25/2004 | EP1448592A1 Steroidal compounds for inhibiting steroid sulphatase |
| 08/05/2004 | WO2004064722A2 Process for the production of oxandrolone |
| 07/22/2004 | WO2003059293A3 17-hydroxy-4-aza-androstan-3-ones as androgen receptor modulators |
| 07/15/2004 | WO2003092588A3 4-azasteroid derivatives as androgen receptor modulators |
| 07/14/2004 | EP1437361A2 Method of producing 17beta-(substituted)-3-oxo-delta 1,2-4-azasteroids and intermediates |
| 07/13/2004 | US6762302 Deprotonation of azasteroids using cultures of biocatalysts, oxidoreductase enzymes, stabilizers, complexing agents and charge transfer compounds, then incubating |
| 06/24/2004 | WO2003105724A3 Novel maxi-k channel blockers, methods of use and process for making the same |
| 06/08/2004 | US6747038 6-amino-11-(trimethoxyphenyl)benzo(c)phenanthridine, 6-amino-11,12-dihydro-11-(trimethoxyphenyl)benzo(c)phenanthrid ine and their salts |
| 05/26/2004 | EP1420796A1 Androgen receptor modulators and methods of use thereof |
| 05/13/2004 | WO2004039828A1 Method of obtaining polymorphic form i of finasteride |
| 04/29/2004 | WO2003027132A8 METHOD OF PREPARING 17β-(N-TERT-BUTYLCARBAMOYL)-3-ONE STEROID DERIVATIVES |
| 04/21/2004 | EP1409513A1 Methylene-4-azasteroids |
| 04/07/2004 | EP1404701A1 Method for preparing oestrogen derivatives |
| 03/24/2004 | EP0998930B1 Azasteroid compound for treating alopecia, hirsutism and seborrhea |
| 03/11/2004 | US20040049042 Preparing steriods, such as 3-oxo-4-azasteroids, having 5a-reductase activity by hydrogenation of the corresponding steroid alkene in the presence of ammonium acetate, ammonium formate, and/or ammonium propionate and a catalyst. |
| 02/26/2004 | WO2004016595A1 Method for the selective preparation of 3-oxo-4-aza-5a-androstane compound |
| 02/19/2004 | US20040034051 Phenanthridine derivatives and antitumoral medicaments containing phenanthridine |
| 02/18/2004 | EP1163256B1 Hemihydrate of 16.alpha.-bromoepiandrosterone |