| 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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| 11/24/1994 | WO1994026767A1 Improved antiandrogens |
| 11/24/1994 | CA2136303A1 Improved antiandrogens |
| 11/23/1994 | CN1095383A Substituted 6-azaandrostenones |
| 10/25/1994 | US5359071 15-substituted 4-azasteroids |
| 10/13/1994 | WO1994022900A1 AZA-ANDROSTANE-17β-CARBOXAMIDES |
| 09/29/1994 | WO1994014833A3 Substituted 6-azaandrostenones |
| 09/29/1994 | WO1994011387A3 A process for the production of finasteride |
| 09/15/1994 | WO1994020104A1 15-substituted 4-azasteroids |
| 09/15/1994 | CA2157363A1 15-substituted 4-azasteroids |
| 09/14/1994 | EP0474666B1 Oxidative preparation of a-nor-17 beta-carboxy-3,5-secoandrostan-5-one-3 oic acid |
| 08/30/1994 | US5342948 Antiandrogens; ozonation, amination, reduction of androstane derivative with acyl(urea or thiourea) |
| 08/23/1994 | CA1331601C Dehydrogenation process |
| 08/18/1994 | WO1994018225A1 15-oxasterols as hypocholesterolemics |
| 08/17/1994 | EP0610472A1 Steroids with a fluorinated acylureidic type side chain |
| 08/10/1994 | CN1090583A New finasteride processes |
| 07/27/1994 | EP0607400A1 Fluorinated 17-beta substituted-4-aza-5-alpha- andostran-3one derivatives. |
| 07/26/1994 | CA1330987C (22r,23r,24s)-22,23-epoxy-2.-3.-isopropylidene-dioxy- .beta.-homo-7-oxa-5. -stigmastan-6-one, process for preparation thereof and plant growth regulating composition containing the same |
| 07/07/1994 | WO1994014833A2 Substituted 6-azaandrostenones |
| 07/07/1994 | WO1994014452A1 METHOD OF TREATMENT OF CHRONIC PROSTATITIS WITH 17β-N-MONOSUBSTITUTED-CARBAMOYL-4-AZA-5α-ANDROST-1-EN-3-ONES |
| 07/07/1994 | CA2152053A1 Substituted 6-azaandrostenones |
| 07/07/1994 | CA2151239A1 Method of treatment of chronic prostatitis with 17b-n- monosubstituted-carbamoyl-4-aza-5a-androst-1-en-3-ones |
| 06/28/1994 | US5324734 Antiandrogens |
| 06/23/1994 | WO1994013691A1 Thio- and oxo-azasteroids, processes for the preparation thereof, use thereof as antiandrogens and pharmaceutical compositions containing them |
| 06/01/1994 | EP0599376A2 A process for the production of finasteride |
| 05/26/1994 | WO1994011387A2 A process for the production of finasteride |
| 05/26/1994 | WO1994011385A1 17-alpha-acyl steroids which inhibit 5-alpha-reductase |
| 05/25/1994 | CN1087092A New 7 beta-substituted-4-aza-5 alpha-androstan-3-ones as 5 alpha-reductase inhibitors |
| 04/20/1994 | CN1085562A 7beta-substituted-4-aza-5alpha-cholestan-ones as 5-alpha-reductase inhibitors |
| 04/19/1994 | US5304562 17β-substituted Aza-androstane derivatives |
| 04/14/1994 | WO1994007909A1 NOVEL 17β-SUBSTITUTED 4-AZAANDROSTANE DERIVATIVES, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND PROCESS FOR PREPARING SAME |
| 04/14/1994 | WO1994007908A1 Novel 7-substituted oxa- or azasteroid compound |
| 04/14/1994 | WO1994007861A1 17β-CARBOXANILIDES OF 4-AZA-5α-ANDROSTAN-3-ONES AS 5α-REDUCTASE INHIBITORS |
| 04/14/1994 | WO1994007860A1 17 β-ARYL ESTER CARBOXYLATES OF 4-AZA-5α-ANDROSTANE-3-ONES |
| 04/14/1994 | CA2146164A1 Novel 17.beta.-substituted 4-azaandrostane derivatives, pharmaceutical compositions containing them and process for preparing same |
| 04/14/1994 | CA2145643A1 Novel 7-substituted oxa-or azasteroid compound |
| 04/13/1994 | EP0591165A1 Heterocyclic steroid compounds |
| 04/13/1994 | CN1085224A Fluorinated 17beta-substituted 4-aza-5alpha-androstane-3-one derivatives |
| 04/13/1994 | CN1085223A 17beta-substituted 4-aza-5alpha-androstan-3-one derivatives |
| 04/12/1994 | US5302621 Azasteroid compounds for the treatment of prostatic hypertrophy, their preparation and use |
| 04/05/1994 | US5300294 Administering a steroid 5-a-reductase inhibiting compound |
| 03/31/1994 | WO1994006425A1 OXIDIZATION METABOLITES OF 5α-23-METHYL-4-AZA-21-NOR-CHOL-1-ENE-3,20-DIONE |
| 03/30/1994 | CN1084519A New process for producing 7 beta-substituted-aza-5 alpha-androstan-3-ones |
| 02/17/1994 | WO1994003476A1 17β-SUBSTITUTED 4-AZA-5α-ANDROSTAN-3-ONE DERIVATIVES |
| 02/17/1994 | WO1994003475A1 FLUORINATED 17β-SUBSTITUTED 4-AZA-5α-ANDROSTAN-3-ONE DERIVATIVES |
| 02/17/1994 | WO1994003474A1 Steroids with a fluorinated acylureidic type side chain |
| 02/17/1994 | CA2120343A1 Fluorinated 17.beta.-substituted 4-aza-5.alpha.-androstan-3-one derivatives |
| 02/17/1994 | CA2120339A1 17.beta.-substituted 4-aza-5.alpha.-androstan-3-one derivatives |
| 02/16/1994 | EP0582713A1 Novel oxa- or azasteroid derivative |
| 01/11/1994 | US5278159 Aryl ester derivatives of 3-oxo-4-aza-androstane 17-β-carboxylates as 5-α-reductase inhibitors |
| 01/11/1994 | CA1326013C Methods for synthesizing benign prostatic hypertropic agents and their intermediates |
| 01/06/1994 | WO1994000121A1 17-acyl-4-aza-steroid-3-one as 5-alpha-reductase inhibitors |
| 12/07/1993 | CA1325006C Steroid 5-alpha-reductase inhibitors |
| 12/01/1993 | EP0572166A1 New 7beta-substituted-4-aza-5a-androstan-3-ones as 5a-reductase inhibitors |
| 12/01/1993 | EP0572165A1 New 7B-substituted-4-aza-5a-cholestan-ones as 5a-reductase inhibitors |
| 11/25/1993 | WO1993023420A1 NEW 7β-SUBSTITUTED-4-AZA-5α-ANDROSTAN-3-ONES AS 5α-REDUCTASE INHIBITORS |
| 11/25/1993 | WO1993023419A1 NEW 7β-SUBSTITUTED-4-AZA-5α-CHOLESTAN-ONES AS 5α-REDUCTASE INHIBITORS |
| 11/25/1993 | WO1993023376A1 NEW PROCESS FOR PRODUCING 7β-SUBSTITUTED-4-AZA-5α-ANDROSTAN-3-ONES |
| 11/25/1993 | WO1993023053A1 INHIBITORS OF TESTOSTERONE 5α-REDUCTASE ACTIVITY |
| 11/25/1993 | WO1993023051A1 New 17-ester, amide, and ketone derivatives of 3-oxo-4-azasteroids as 5a-reductase inhibitors |
| 11/25/1993 | WO1993023050A1 NEW DELTA-17 AND DELTA-20 OLEFINIC AND SATURATED 17β-SUBSTITUTED-4-AZA-5α-ANDROSTAN-3-ONES AS 5α-REDUCTASE INHIBITORS |
| 11/25/1993 | WO1993023048A1 4-azasteroid 5-alpha-reductase inhibitors |
| 11/25/1993 | WO1993023042A1 17α AND 17β SUBSTITUTED ACYL 4 AZA STEROIDS |
| 11/25/1993 | WO1993023041A1 Ester derivatives of 4-aza-steroids |
| 11/25/1993 | WO1993023040A1 17-ethers and thioethers of 4-aza-steroids |
| 11/25/1993 | WO1993023039A1 Substituted 4-aza-5a-androstan-ones as 5a-reductase inhibitors |
| 11/25/1993 | WO1993023038A1 17-AMINO SUBSTITUTED 4-AZASTEROID 5α-REDUCTASE INHIBITORS |
| 11/25/1993 | CA2136304A1 Inhibitors of testosterone 5.alpha.-reductase activity |
| 11/25/1993 | CA2135174A1 17-ethers and thioethers of 4-aza-steroids |
| 11/25/1993 | CA2135173A1 Ester derivatives of 4-aza-steroids |
| 11/25/1993 | CA2135167A1 New 17-ester, amide, and ketone derivatives of 3-oxo-4- azasteroids as 5a-reductase inhibitors |
| 11/25/1993 | CA2135057A1 17-amino substituted 4-azasteroid 5a-reductase inhibitors |
| 11/25/1993 | CA2135056A1 New delta-17 and delta-20 olefinic and saturated 17b-substituted-4-aza-5a-andros-tan-3-ones as 5a-reductase inhibitors |
| 11/25/1993 | CA2135055A1 4-azasteroid 5-alpha-reductase inhibitors |
| 11/21/1993 | CA2096616A1 7beta-substituted-4-aza-5alpha-androstan-ones as 5alpha-reductase inhibitors |
| 11/21/1993 | CA2096576A1 7beta-substituted-4-aza-5alpha-cholestan-ones as 5alpha-reductase inhibitors |
| 08/17/1993 | US5237065 Steroid 5-alpha-reductase inhibitors |
| 08/17/1993 | US5237064 Process for producing 7β-substituted-aza-5αandrostan-3-ones |
| 08/17/1993 | US5237061 17B-substituted 3-oxo-4-azasteroids, imidazolide intermediate |
| 08/17/1993 | US5236929 Compound uca1064-b |
| 07/20/1993 | US5229511 From corresponding 17a-aza-D-homo-5-alpha-androstan-3-ol; muscle relaxants |
| 07/13/1993 | US5227375 Androstanediones, estrogen-dependent diseases, anticancer |
| 07/08/1993 | WO1993013124A1 Inhibitors of 5-alpha-testosterone reductase |
| 07/08/1993 | CA2126203A1 Inhibitors of 5-alpha-testosterone reductase |
| 06/30/1993 | EP0548884A1 Biphosphonate derivative |
| 06/30/1993 | EP0548774A1 Process for producing a lactone or an ester |
| 06/27/1993 | CA2086026A1 Bisphosphonate derivative |
| 06/23/1993 | EP0547691A1 The use of 17B-N-mono-substituted-carbamoyl-4-aza-5alpha-androst-1-en-3-ones for the preparation of a medicament for the prevention of prostatic carcinoma |
| 06/23/1993 | EP0547690A1 Use of 17B-acyl-4-aza-5alpha-androst-1-en-3-ones for the preparation of a medicament for the prevention of prostatic carcinoma |
| 06/23/1993 | EP0547687A1 17B-N-Substituted adamantyl/norbonanyl carbamoyl-4-aza-5a-and-rost-1-en-3-ones and androstan-3 ones |
| 06/19/1993 | CA2085456A1 17beta-n-substituted adamantyl/norbornanyl carbamoyl-4-aza-5a -androst -1-en-3-ones and adrostan-3-ones as 5a-reductase inhibitors |
| 06/18/1993 | CA2084798A1 Method of preventing prostatic carcinoma with 17beta -acyl-4-aza-5.- androst-1-ene-3-ones |
| 06/15/1993 | US5219879 Heterocyclic steroid compounds |
| 04/21/1993 | EP0538192A1 New 17-beta-substituted aza-androstanderivatives |
| 04/10/1993 | CA2080054A1 17beta-substituted aza-androstane derivatives |
| 03/16/1993 | CA1314541C 17.beta.-n-monosubstituted carbamoyl -4-aza-5.- androst-1-en-3-ones |
| 02/16/1993 | US5187278 Intermediates for antiandrogens |
| 01/20/1993 | WO1993002096A1 PROCESS FOR THE PREPARATION OF 17β-SUBSTITUTED-4-AZA-5α-ANDROSTAN-3-ONE DERIVATIVES |
| 01/20/1993 | EP0523688A1 Process for the preparation of 17beta-substituted-4-aza-5alpha-androstan-3-one derivatives |
| 01/20/1993 | CA2091983A1 Process for the preparation of 17.beta.-substituted-4-aza-5.alpha.-androstan-3-one derivatives |
| 12/15/1992 | CA1311469C --lactone derivatives and process of preparing same |