| 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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| 02/28/2001 | EP1077765A1 Photochemical and thermochemical solar syntheses using flat-bed solar collectors/solar reactors |
| 02/14/2001 | EP0663924B1 17-beta-carboxanilides of 4-aza-5-alpha-androstan-3-ones as 5-alpha-reductase inhibitors |
| 02/14/2001 | CN1061989C Compound of cholesteric lactone and analog, and its prepn method |
| 01/11/2001 | WO2001002422A1 PROCESS FOR OBTAINING 17β-(N-TERC-BUTYLCARBAMOYL)-3-ONE-4-AZA-STEROIDS |
| 01/11/2001 | CA2342864A1 Process for obtaining 17.beta.-(n-terc-butylcarbamoyl)-3-one-4-aza-steroids |
| 01/10/2001 | EP0649306B1 Ester derivatives of 4-aza-steroids |
| 12/27/2000 | EP0756481B1 17$g(b)-ARYL-4-AZA-STEROID DERIVATIVES |
| 12/21/2000 | WO2000077025A1 NEW PROCESS FOR THE SYNTHESIS OF 17β-HYDROXY-17α-METHYL-2-OXA-5α-ANDROSTANE-3-ONE |
| 11/15/2000 | EP1051177A1 Steroid 3-o-sulphamate derivatives as inhibitors of oestrone sulphatase |
| 11/15/2000 | CN1058499C 16-substituted-4-aza-androstane 5-alpha-reductase isoazyne 1 inhibitors |
| 11/14/2000 | US6147213 Diastereomerically pure 3-oxo and 3-thioxo-4-aza-androstan derivatives and the use thereof as antiandrogens |
| 11/14/2000 | CA2271974A1 2, 2-dibromo-azasteroids and their use in a method for introducing a 1, 2-double bond into azasteroids |
| 11/08/2000 | EP0650495B1 Improved antiandrogens |
| 11/07/2000 | US6143887 Process for the stereoselective synthesis of 16-substituted-4-aza-androstanones |
| 11/01/2000 | CN1058018C Androsterone derivatives and its preparing process |
| 10/25/2000 | CN1271285A Remedial agent for baldness and other diseases |
| 10/25/2000 | CN1057771C Androstenone derivative |
| 10/17/2000 | US6133280 Androgen synthesis inhibitors |
| 09/28/2000 | WO2000056757A1 Immunomodulatory steroids, in particular the hemihydrate of 16.alpha.-bromoepiandrosterone |
| 09/28/2000 | CA2365081A1 Immunomodulatory steroids, in particular the hemihydrate of 16.alpha.-bromoepiandrosterone |
| 09/21/2000 | WO2000054779A1 OCULAR THERAPY IN KERATOCONJUCTIVITIS SICCA USING TOPICALLY APPLIED ANDROGENS OR TGF-$g(b) |
| 09/21/2000 | CA2367643A1 Ocular therapy in keratoconjuctivitis sicca using topically applied androgens or tgf-.beta. |
| 09/19/2000 | US6121449 Testosterone 5 alpha-reductase inhibitory activity; useful in therapy in the treatment of hyperandrogenic conditions |
| 09/06/2000 | EP1032400A1 Prevention of precipitated acute urinary retention |
| 09/05/2000 | US6114345 Phenylsubstituted 4-azasteroid fluoroderivatives |
| 08/29/2000 | US6110906 Androgen derivatives for use in the inhibition of sex steroid activity |
| 08/23/2000 | EP1028734A1 $i(SPECIFIC) STEADY-STATE R-TYPE Ca?2+ CHANNEL BLOCKERS AND USE THEREOF |
| 08/23/2000 | EP0759929B1 Oxidation of steroids having allylic groups |
| 08/22/2000 | US6107289 Ocular therapy in keratoconjunctivitis sicca using topically applied androgens or TGF-β |
| 08/16/2000 | EP0902790B1 Process for preparing steroids having a carboxamide side-chain |
| 08/16/2000 | EP0641204B1 17-ethers and thioethers of 4-aza-steroids |
| 08/02/2000 | EP0641208B1 4-azasteroid 5-alpha-reductase inhibitors |
| 07/19/2000 | EP1019060A1 Androgen synthesis inhibitors |
| 07/11/2000 | US6087347 3-substituted-D-homo-1,3,5(10)-estratriene derivatives |
| 06/21/2000 | CN1053672C Azasteroid compounds for treating prostatic hypertrophy, their preparation and use |
| 05/10/2000 | EP0998930A1 Remedial agent for baldness and other diseases |
| 04/25/2000 | US6054598 Synthesis of 2-alkoxyestradiols |
| 04/18/2000 | US6051726 Benzylation and bromination |
| 04/05/2000 | EP0786011B1 Microbiological process for the preparation of 1-unsaturated 17-beta-carboxysubstituted 3-oxo-4-azaandrostan-3-ones |
| 03/22/2000 | CN1248263A Process for preparing carboxamido-4-azasteroids |
| 03/15/2000 | EP0984979A1 Synthesis of 2-alkoxyestradiols |
| 03/08/2000 | EP0983295A2 4-aza-steroids substituted in one or more of positions 7, 11 and 15 or with an unsaturated 14(15)-double bond as inhibitors of testosterone-5-alpha-reductase |
| 02/29/2000 | US6030981 Phenanthridine derivatives, methods of producing them and medicaments containing phenanthridine derivatives |
| 02/09/2000 | EP0793671B1 Phenylsubstituted 4-azasteroid fluoroderivatives |
| 01/18/2000 | US6015806 Topical use in the treatment of androgen-dependent diseases associated with the skin. |
| 01/12/2000 | EP0970105A1 Process for preparing carboxamido-4-azasteroids |
| 01/05/2000 | EP0664812B1 17-beta-aryl ester carboxylates of 4-aza-5-alpha-androstane-3-ones |
| 12/14/1999 | US6001844 4-Azasteroids for treatment of hyperandrogenic conditions |
| 12/07/1999 | US5998464 4-Oxa and 4-thia steroids |
| 11/30/1999 | US5994334 Androgen synthesis inhibitors |
| 11/18/1999 | WO1999058551A1 Process for the stereoselective synthesis of 16-substituted-4-aza-androstanones |
| 11/18/1999 | WO1999058550A1 7beta-methyl-16beta-((4-methylsulfonyl)-phenoxy)-4-aza-5alpha-androst-1-en-3-one as a 5-alpha-reductase isozyme 1 inhibitor |
| 11/02/1999 | US5977126 Antiangrogens, enzyme inhbitors |
| 10/28/1999 | WO1999054032A1 Photochemical and thermochemical solar syntheses using flat-bed solar collectors/solar reactors |
| 10/28/1999 | CA2328160A1 Photochemical and thermochemical solar syntheses using flat-bed solar collectors/solar reactors |
| 10/12/1999 | US5965488 Plant growth regulating composition comprising epoxycyclohexane derivatives and brassinosteroids as well as method of regulating plant growth comprising the application thereof |
| 10/05/1999 | US5962442 Administering a 3-oxo-4-azasteroid |
| 09/29/1999 | CN1230194A 3-substituted-d-homo-1,3,5 (10)-estratriene derivatives |
| 09/08/1999 | EP0702027B1 Brassinosteroid derivatives and plant growth regulator containing the same |
| 08/24/1999 | US5942519 Administering androstene derivative 5-alpha reductase inhibitor |
| 08/11/1999 | EP0934949A1 3-substituted-d-homo-1,3,5,(10)-estratriene derivatives |
| 08/11/1999 | EP0649431B1 17-amino substituted 4-azasteroid 5-alpha-reductase inhibitors |
| 08/03/1999 | US5932713 These novel genes are useful for the production of cotton fibers with improved characteristics. |
| 07/15/1999 | WO1999035161A1 Process for preparing carboxamido-4-azasteroids |
| 07/15/1999 | CA2278487A1 Process for preparing carboxamido-4-azasteroids |
| 07/13/1999 | US5922728 Phenylsubstituted 4-azasteroid fluoroderivatives |
| 06/16/1999 | EP0922770A2 A microbiological process for the transformation of 17beta-carboxy substituted 3-oxo-4-azasteroids and the use of such products as inhibitors of the enzyme 5alpha-reductase |
| 06/10/1999 | WO1999027935A1 Steroid 3-o-sulphamate derivatives as inhibitors of oestrone sulphatase |
| 06/08/1999 | US5910497 Treating acne vulgaris |
| 05/26/1999 | CN1217338A Process for synthesizing long-acting rapin lactones |
| 05/26/1999 | CN1217337A Simple synthesizing process for rapin lactones and the like |
| 05/06/1999 | WO1999021563A1 Prevention of precipitated acute urinary retention |
| 05/06/1999 | CA2308070A1 Prevention of precipitated acute urinary retention |
| 04/21/1999 | EP0663402B1 7-substituted oxasteroid compound |
| 04/14/1999 | EP0748221B1 7-substituted-4-aza-steroid derivatives as 5-alpha- reductase inhibitors |
| 04/08/1999 | WO1999016449A1 SPECIFIC STEADY-STATE R-TYPE Ca2+ CHANNEL BLOCKERS AND USE THEREOF |
| 03/24/1999 | EP0902790A1 Process for preparing steroids having a carboxamide side-chain |
| 03/23/1999 | US5886184 Finasteride processes |
| 03/23/1999 | US5886005 4-Aza-19-norandrostane derivatives |
| 03/17/1999 | CN1211256A 17-beta-cyclopropyl (amino/oxy 4-aza steroids as active inhibitors of testosterone 5-alpha-reductase and C17-20-lyase |
| 03/10/1999 | CN1042431C Brassinosteroid derivatives and plant growth regulator containing the same |
| 03/09/1999 | US5880110 Production of cotton fibers with improved fiber characteristics by treatment with brassinosteroids |
| 03/03/1999 | CN1209319A Preparation method for medicinal composition containing aza-steroid compound for treating prostatic hyperplasia |
| 02/11/1999 | WO1999006050A1 Remedial agent for baldness and other diseases |
| 02/11/1999 | CA2298851A1 Remedial agent for baldness and other diseases |
| 02/04/1999 | WO1998050419A3 4-aza-steroids as inhibitors of testosterone-5-alpha-reductase |
| 02/03/1999 | CN1041939C Androstenones |
| 01/07/1999 | EP0724592B1 16-substituted-4-aza-androstane 5-alpha-reductase isozyme 1 inhibitors |
| 12/09/1998 | CN1041096C Fluorinated 17 beta-substituted 4-aza-5 alpha-androstane-3-one derivatives |
| 12/08/1998 | US5846976 Androstenone derivative |
| 12/08/1998 | CA2164217C Brassinosteroid derivative and plant growth regulator using the same |
| 12/02/1998 | EP0880540A1 17-beta-cyclopropyl(amino/oxy) 4-aza steroids as active inhibitors of testosterone 5-alpha-reductase and c17-20-lyase |
| 12/01/1998 | US5843953 7-substituted 4-aza cholanic acid derivatives and their use |
| 11/18/1998 | EP0877554A1 Triterpene derivatives with immunosuppressant activity |
| 11/12/1998 | WO1998050419A2 4-aza-steroids as inhibitors of testosterone-5-alpha-reductase |
| 11/12/1998 | CA2287924A1 4-aza-steroids as inhibitors of testosterone-5-alpha-reductase |
| 10/28/1998 | EP0873315A1 Phenanthridine derivatives, methods of producing them and medicaments containing phenanthridine derivatives |
| 10/28/1998 | EP0674651B1 Substituted 6-azaandrostenones |
| 10/06/1998 | US5817802 Process for the stereoselective reduction of steroid enelactams |
| 09/30/1998 | EP0759929A4 Oxidation of steroids having allylic groups |