Patents
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)
09/1998
09/17/1998WO1998040398A1 Synthesis of 2-alkoxyestradiols
09/17/1998CA2283436A1 Synthesis of 2-alkoxyestradiols
09/16/1998EP0700291B1 15-substituted 4-azasteroids
09/09/1998EP0862556A1 17-alkyl-7-substituted-4-aza steroid derivatives
09/09/1998EP0862436A1 16-substituted-6-aza-steroid 5-alpha-reductase inhibitors
09/09/1998EP0485392B1 Androgen derivatives for use in the inhibition of sex steroid activity
09/01/1998US5801123 Epoxycyclohexane derivative and plant growth regulator
08/1998
08/26/1998EP0859761A1 4-azasteroids for treatment of hyperandrogenic conditions
08/19/1998EP0858455A1 4-oxa and 4-thia steroids
08/19/1998EP0858444A1 Cyclopentyl tachykinin receptor antagonists
08/06/1998WO1998033506A1 Androgen synthesis inhibitors
06/1998
06/18/1998WO1998025463A1 Methods and compositions for preventing and treating bone loss
06/10/1998CN1184113A Synthesis of cholesteric lactone and analog
06/09/1998US5763366 Brassinosteroid derivative and plant growth regulator using the same
06/09/1998US5763361 17-alkyl-7-substituted-4-aza steroid derivatives as 5-α-reductase inhibitors
06/02/1998US5760045 Delta-17 and delta-20 olefinic and saturated 17β-substituted-4-aza-5α-androstan-3-ones as 5α-reductase inhibitors useful in the prevention and treatment of hyperandrogenic disorders
04/1998
04/29/1998EP0838155A1 Anit-adhesive steroids and steroid derivatives
04/22/1998EP0641356B1 Inhibitors of 5-alpha-testosterone reductase
04/21/1998US5741795 Administering to treat hyperandrogenic conditions, such as, acne vulgaris
04/15/1998EP0835121A1 COSMETIC OR PHARMACEUTICAL COMPOSITION CONTAINING AN EXTRACT OF PLANTS OF GENUS $i(FILICIUM), AND USE OF SAID EXTRACT FOR STIMULATING GLYCOSAMINOGLYCAN SYNTHESIS
04/14/1998US5739137 Enzyme inhibitor treating skin disorder, hair baldness, glandular disorder and prostatic hyperplasia
03/1998
03/19/1998WO1998011124A1 3-substituted-d-homo-1,3,5,(10)-estratriene derivatives
03/19/1998CA2266051A1 3-substituted-d-homo-1,3,5,(10)-estratriene derivatives
02/1998
02/25/1998CN1174552A Epoxycyclohexane derivative and plant growth regulator
02/17/1998US5719159 4-azasteroids with side-chain fluoroketones
02/17/1998US5719158 16-substituted-4-aza-androstane 5-alpha-reductase isozyme 1 inhibitors
02/11/1998EP0823437A2 8-Substituted B-nor-6-thiaequilenin compounds having activity as selective estrogen receptor modulators
02/11/1998EP0823436A2 Polymorphic forms I and II of finasteride
02/06/1998CA2212204A1 8-substituted b-nor-6-thiaequilenin compounds having activity as selective estrogen receptor modulators
01/1998
01/20/1998US5710275 7β-substituted-4-aza-5α-androstan-3-ones as 5α-reductase inhibitors
01/14/1998EP0719278B1 Androstenone derivative
01/13/1998US5708001 Substituted 6-azaandrostenones
12/1997
12/17/1997EP0719277B1 Androstenones
12/09/1997US5696266 Hydrogenating delta-5-steroidal enelactam dissolved in solvent in presence of rhodium catalyst
12/09/1997CA2051397C Oxidative preparation of 3,5-secoandrost-5-one-3,17.beta.-dioic acid
12/02/1997US5693810 17 β-carboxanilides of 4-aza-5α-androstan-3-ones as 5α-reductase inhibitors
12/02/1997US5693809 Substituted 4-aza-5α-androstan-ones as 5α-reductase inhibitors
11/1997
11/19/1997CN1165520A Phenylsubstituted 4-azasteroid fluoroderivatives
11/05/1997EP0804205A1 4-aza-19-norandrostane derivatives
11/05/1997EP0607400B1 Fluorinated 17-beta substituted-4-aza-5-alpha- andostran-3one derivatives.
10/1997
10/30/1997WO1997040062A1 Process for preparing steroids having a carboxamide side-chain
10/22/1997EP0611374B1 17-beta-substituted 4-aza-5-alpha-androstan-3-one derivatives
10/15/1997EP0800396A1 Treatment of hyperandrogenic conditions
10/08/1997EP0799239A2 Diastereomerically pure 3-oxo and 3-thioxo-4-aza-androstan derivatives and the use thereof as antiandrogens
09/1997
09/23/1997US5670643 Method for preparing finasteride
09/17/1997EP0711164B1 4-aza-pregnane 5-alpha-reductase isozyme 1 inhibitors
09/10/1997EP0793671A1 Phenylsubstituted 4-azasteroid fluoroderivatives
09/10/1997CN1159195A Epimers of (22RS)-N-(1,1,1-trifluoro-2-phenylprop-2-YL)-3-oxo-4-aza-5'alpha'-androst-1-ene-17'beta'-carboxamide
08/1997
08/21/1997WO1997030069A1 17-beta-cyclopropyl(amino/oxy) 4-aza steroids as active inhibitors of testosterone 5-alpha-reductase and c17-20-lyase
08/21/1997CA2244823A1 17-beta-cyclopropyl(amino/oxy) 4-aza steroids as active inhibitors of testosterone 5-alpha-reductase and c17-20-lyase
08/19/1997US5658922 4-aza-pregnane 5α-reductase isozyme 1 inhibitors
08/13/1997EP0788483A1 7-substituted 4-aza cholanic acid derivatives and their use
08/13/1997EP0646007B1 NEW DELTA-17 AND DELTA-20 OLEFINIC AND SATURATED 17$g(b)-SUBSTITUTED-4-AZA-5$g(a)-ANDROSTAN-3-ONES AS 5$g(a)-REDUCTASE INHIBITORS
08/12/1997US5656613 Treatment of hyperandrogenic conditions
07/1997
07/30/1997EP0786011A1 A microbiological process for the preparation of 17beta-carboxy substituted 3-oxo-4-azasteroids and the use of such products as inhibitors of the enzyme 5alpha-reductase
07/30/1997EP0785943A1 Synthesis of 6-azaandrostenones
07/29/1997US5652365 Process for the production of finasteride
07/09/1997EP0783001A1 Androstenones
07/09/1997EP0782582A1 EPIMERS OF (22RS)-N-(1,1,1-TRIFLUORO-2-PHENYLPROP-2-YL)-3-OXO-4-AZA-5$g(a)-ANDROST-1-ENE-17$g(b)-CARBOXAMIDE
06/1997
06/18/1997CN1152316A Oxidation of steroids having allylic groups
06/17/1997US5639741 Steroids treating skin disorders
06/11/1997EP0778284A2 New 7-beta-substituted-4-aza-5alpha-androstan-3-ones as 5alpha-reductase inhibitors
06/04/1997EP0582713B1 -New D-homo-17-oxa and D-homo-17-aza-androstane derivatives
06/04/1997EP0559690B1 8-ENE-19, 11 beta-BRIDGED STEROIDS, THEIR PREPARATION AND PHARMACEUTICAL FORMULATIONS CONTAINING THEM
05/1997
05/13/1997US5629318 Method of treatment of chronic prostatitis with 17β-N-monosubstituted-carbamoyl-4-aza-5α-androst-1-en-3-ones
05/09/1997WO1997016068A1 Triterpene derivatives with immunosuppressant activity
05/09/1997CA2235886A1 Triterpene derivatives with immunosuppressant activity
05/09/1997CA2235858A1 Triterpene derivatives with immunosuppressant activity
05/01/1997WO1997015564A1 4-oxa and 4-thia steroids
05/01/1997WO1997015558A1 17-alkyl-7-substituted-4-aza steroid derivatives
05/01/1997WO1997015305A1 Treatment of hyperandrogenic conditions
05/01/1997CA2233966A1 4-oxa and 4-thia steroids
05/01/1997CA2233862A1 17-alkyl-7-substituted-4-aza steroid derivatives
04/1997
04/24/1997WO1997014683A2 Phenanthridine derivatives, methods of producing them and medicaments containing phenanthridine derivatives
04/24/1997WO1997014671A1 Cyclopentyl tachykinin receptor antagonists
04/24/1997WO1997014418A1 16-substituted-6-aza-steroid 5-alpha-reductase inhibitors
04/24/1997CA2233084A1 16-substituted-6-aza-steroid 5-.alpha.-reductase inhibitors
04/24/1997CA2232609A1 Phenanthridine derivatives, methods of producing them and medicaments containing phenanthridine derivatives
04/17/1997DE19538088A1 Phenanthridinderivate und ihre Herstellung Phenanthridine derivatives and their preparation
04/16/1997EP0536282B1 Meducament for treating prostatic adenocarcinoma
04/15/1997US5620986 Treats benign prostatic hypertrophy, seborrhea, female hirsutism, and male and female patten baldness
03/1997
03/20/1997WO1997010257A1 Phenylsubstituted 4-azasteroid fluoroderivatives
03/20/1997WO1997010217A1 4-azasteroids for treatment of hyperandrogenic conditions
03/20/1997CA2231041A1 4-azasteroids for treatment of hyperandrogenic conditions
03/20/1997CA2204002A1 Phenylsubstituted 4-azasteroid fluoroderivatives
03/11/1997US5610162 Ester derivatives of 4-aza-steroids
03/05/1997EP0759929A1 Oxidation of steroids having allylic groups
02/1997
02/06/1997WO1997004002A1 EPIMERS OF (22RS)-N-(1,1,1-TRIFLUORO-2-PHENYLPROP-2-YL)-3-OXO-4-AZA-5α-ANDROST-1-ENE-17β-CARBOXAMIDE
02/06/1997CA2199273A1 Epimers of (22rs)-n-(1,1,1-trifluoro-2-phenylprop-2-yl)-3-oxo-4-aza-5.alpha.-androst-1-ene-17.beta.-carboxamide
02/05/1997EP0756481A1 17$g(b)-ARYL-4-AZA-STEROID DERIVATIVES
01/1997
01/21/1997US5595996 Dihydrotestosterone inhibitor
01/16/1997WO1997001346A1 Cosmetic or pharmaceutical composition containing an extract of plants of genus filicium, and use of said extract for stimulating glycosaminoglycan synthesis
12/1996
12/18/1996EP0748221A1 7-substituted-4-aza-steroid derivatives as 5-alpha- reductase inhibitors
12/17/1996US5585383 Skin disorders; alopecia; crystallization from a oil
12/10/1996US5583228 Reductase inhibitor; skin disorders
12/10/1996US5583138 Reductase inhibitor; skin disorders
11/1996
11/26/1996US5578726 Process for producing 7 β-substituted-4-aza-5 α-androstan-3-ones
11/20/1996CN1136318A 16-substituted -4-aza-androstane 5-alpha-reductase isoazyne 1 inhibitors
11/05/1996US5571817 Which are testosterone-reductase inhibitors;topical application
10/1996
10/23/1996CN1134155A Androstenones
1 2 3 4 5 6 7 8 9 10 11 12