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)
10/1996
10/22/1996US5567708 Methods of treating androgenic alopecia with finasteride [17β-N-mono-substituted-carbamoyl-4-aza-5-α-androst-1-en-ones]
10/22/1996CA2050822C Intermediate for making 3-oxo-4-aza-androst-1-ene 17-.beta.-ketones
10/22/1996CA2049881C Trialkylsilyl trifluormethanesulfonate mediated .alpha.-methylenic carbon functionalization of 4-aza-5.alpha.-androstan-3-one steroids
10/16/1996EP0737689A1 Novel 6-substituted oxa- or azasteroid compound
10/16/1996CN1032999C increasing yield of cereals by means of brassinolide derivatives
10/15/1996US5565467 Androstenone derivative
10/03/1996WO1996030391A1 Substituted 6-azacholesten-3-ones
10/01/1996US5561124 Reducing prostate size; anticarcinogenin agents for adenocarcinoma; lowering levels of dihydrotestosterone; inconjuction with prescribed drugs in treating acne, seborrhea, hirsutism and alopecia
09/1996
09/18/1996CN1131424A Androstenone derivative
09/06/1996WO1996020210A3 Diastereomerically pure 3-oxo and 3-thioxo-4-aza-androstan derivatives and the use thereof as antiandrogens
08/1996
08/07/1996EP0724592A1 16-substituted-4-aza-androstane 5-alpha-reductase isozyme 1 inhibitors
08/06/1996US5543406 Inhibitors of 5-α-testosterone reductase
07/1996
07/30/1996US5541322 Annulating a 4-amidoalkyl,5-(2-alkoxy)cyclohex-2-ene compound
07/25/1996WO1996022100A1 4-aza-19-norandrostane derivatives
07/25/1996CA2210079A1 4-aza-19-norandrostane derivatives
07/23/1996US5539127 7-substituted oxa- or azasteroid compound
07/17/1996EP0721462A1 4-azasteroids with side-chain fluoroketones
07/17/1996CN1126998A Brassinosteroid derivatives and plant growth regulator containing the same
07/16/1996US5536727 Treatment of hyperandrogenic diseases
07/11/1996WO1996020713A1 Treatment of hyperandrogenic conditions
07/11/1996CA2208687A1 Treatment of hyperandrogenic conditions
07/04/1996WO1996020210A2 Diastereomerically pure 3-oxo and 3-thioxo-4-aza-androstan derivatives and the use thereof as antiandrogens
07/03/1996EP0719278A1 Androstenone derivative
07/03/1996EP0719277A1 Androstenones
06/1996
06/18/1996US5527807 Treating alopecia, acne, prostate disorders
06/18/1996US5527806 17α and 17β substituted acyl 4 aza steroids
06/12/1996CN1124251A Aza steroid preparation and its use
06/11/1996US5525608 17b-aryl-4-aza-steroid derivatives useful as 5-alpha-reductase inhibitors
05/1996
05/21/1996US5519051 Oxa- or azasteroid derivatives
05/14/1996US5516779 Treatment of skin disorders
05/02/1996WO1996012705A1 7-substituted 4-aza cholanic acid derivatives and their use
05/02/1996CA2200885A1 7-substituted 4-aza cholanic acid derivatives and their use
04/1996
04/25/1996WO1996012034A1 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
04/25/1996WO1996011939A1 Synthesis of 6-azaandrostenones
04/23/1996US5510485 Pregnanes or androstanes; antiandrogens, hormone inhibitors
04/23/1996US5510351 Delta-17 and delta-20 olefinic and saturated 17 beta-substituted 4-aza-5 alpha-androstan-ones as 5 alpha reductase inhibitors useful in the prevention and treatment of hyperandrogenic disorders
04/10/1996EP0705273A1 17-halogeno-4-azaandrostene derivatives and process for the preparation thereof
04/10/1996EP0705272A1 Novel process for preparing 17 beta-substituted 4-azaandrostane derivatives
04/10/1996CN1031508C Method for synthesizing epi-rape lactone and likes
03/1996
03/21/1996WO1996008481A1 Epoxycyclohexane derivative and plant growth regulator
03/21/1996CA2199959A1 Epoxycyclohexane derivative and plant growth regulator
03/20/1996EP0702027A1 Brassinosteroid derivatives and plant growth regulator containing the same
03/14/1996WO1996007643A1 Process for the stereoselective reduction of steroid enelactams
03/13/1996EP0700291A1 15-substituted 4-azasteroids
03/05/1996US5496556 Administering a steroid reductase inhibiting compound, an androstene derivative
02/1996
02/27/1996US5494914 Useful for treatment of diseases whose progress is aided by activation of androgen receptors
02/08/1996WO1996003422A1 4-azasteroids with side-chain fluoroketones
12/1995
12/26/1995US5478956 8-En-19 11 β-bridged steroids, their production and pharmaceutical preparations containing them
11/1995
11/30/1995WO1995032215A1 Oxidation of steroids having allylic groups
11/30/1995CA2190500A1 Oxidation of steroids having allylic groups
11/28/1995US5470976 Process for the stereoselective reduction of steroid enelactams
11/21/1995US5468860 Amidation of ester in the presence of magnesium halide7
11/21/1995US5468773 Treating postmenopausal osteoporosis; side effect reduction
11/02/1995WO1995028928A1 17β-ARYL-4-AZA-STEROID DERIVATIVES
11/02/1995CA2188034A1 17.beta.-aryl-4-aza-steroid derivatives
10/1995
10/04/1995EP0674651A1 Substituted 6-azaandrostenones
10/04/1995EP0674521A1 METHOD OF TREATMENT OF CHRONIC PROSTATITIS WITH 17$g(b)-N-MONOSUBSTITUTED-CARBAMOYL-4-AZA-5$g(a)-ANDROST-1-EN-3-ONES
09/1995
09/20/1995EP0468012B1 17$g(b)-SUBSTITUTED-4-AZA-5$g(a)-ANDROSTAN-3-ONE DERIVATIVES AND PROCESS FOR THEIR PREPARATION
09/06/1995EP0669931A1 17-alpha-acyl steroids which inhibit 5-alpha-reductase
08/1995
08/02/1995EP0664812A1 17 $g(b)-ARYL ESTER CARBOXYLATES OF 4-AZA-5$g(a)-ANDROSTANE-3-ONES
08/01/1995US5438061 7-substituted-δ4-6-azasteroid derivatives as 5α-reductase inhibitors
07/1995
07/26/1995EP0663924A1 17$g(b)-CARBOXANILIDES OF 4-AZA-5$g(a)-ANDROSTAN-3-ONES AS 5$g(a)-REDUCTASE INHIBITORS
07/19/1995EP0663402A1 Novel 7-substituted oxa- or azasteroid compound
07/19/1995EP0662977A1 NOVEL 17$g(b)-SUBSTITUTED 4-AZAANDROSTANE DERIVATIVES, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND PROCESS FOR PREPARING SAME
06/1995
06/29/1995WO1995017417A1 Novel 6-substituted oxa- or azasteroid compound
06/29/1995CA2179643A1 Novel 6-substituted oxa- or azasteroid compound
06/27/1995US5428181 Treatment of bone disorders, osteoporosis
05/1995
05/31/1995EP0655459A2 Method for introducing a 1,2 double bond into 4-azasteroids, and crystalline phroscor(R) and pharmaceutical compositions thereof
05/31/1995EP0655458A2 New method of preparation of finasteride
05/23/1995US5418238 17β-substituted 4-aza-5α-androstan-3-one derivatives
05/11/1995WO1995012398A1 7-substituted-4-aza-steroid derivatives as 5-alpha- reductase inhibitors
05/11/1995CA2174234A1 7-substituted-4-aza-steroid derivatives as 5-alpha- reductase inhibitors
05/03/1995EP0650495A1 Improved antiandrogens
05/03/1995EP0650358A1 17-acyl-4-aza-steroid-3-one as 5-alpha-reductase inhibitors
04/1995
04/27/1995WO1995011254A1 16-substituted-4-aza-androstane 5-alpha-reductase isozyme 1 inhibitors
04/26/1995EP0649431A1 17-AMINO SUBSTITUTED 4-AZASTEROID 5$g(a)-REDUCTASE INHIBITORS
04/26/1995EP0649306A1 Ester derivatives of 4-aza-steroids
04/18/1995US5407939 Fluorinated 17 β-substituted 4-aza-5 α-androstan-3-one derivatives
04/11/1995US5405978 Oxidative preparation of 3,5-secoandrost-5-one-3,17 β-dioic acid
04/11/1995US5405974 Process for producing a lactone or an ester
03/1995
03/23/1995WO1995007927A1 Androstenone derivative
03/23/1995WO1995007926A1 Androstenones
03/23/1995CA2462061A1 Androstenone derivative
03/08/1995EP0641356A1 Inhibitors of 5-alpha-testosterone reductase
03/08/1995EP0641211A1 INHIBITORS OF TESTOSTERONE 5$g(a)-REDUCTASE ACTIVITY
03/08/1995EP0641209A1 New 17-ester, amide, and ketone derivatives of 3-oxo-4-azasteroids as 5a-reductase inhibitors
03/08/1995EP0641208A1 4-azasteroid 5-alpha-reductase inhibitors
03/08/1995EP0641205A1 17$g(a) AND 17$g(b) SUBSTITUTED ACYL 4 AZA STEROIDS
03/08/1995EP0641204A1 17-ethers and thioethers of 4-aza-steroids
03/01/1995EP0640339A1 Methods for inhibiting bone loss and cartilage degradation using wortmannin and its analogs
02/1995
02/26/1995CA2130617A1 Methods for inhibiting bone loss and cartilage degradation using wortmannin and its analogs
01/1995
01/26/1995WO1995002607A1 7-SUBSTITUTED-Δ4-6-AZASTEROID DERIVATIVES AS 5α-REDUCTASE INHIBITORS
01/10/1995US5380728 Aldehyde metabolite of 17β-N-monosubstituted-carbamoyl-4-aza-5α-a
01/05/1995WO1995000532A1 17-halogeno-4-azaandrostene derivatives and process for the preparation thereof
01/05/1995WO1995000531A1 NOVEL PROCESS FOR PREPARING 17β-SUBSTITUTED 4-AZAANDROSTANE DERIVATIVES
01/05/1995WO1995000147A1 4-AZA-PREGNANE 5α-REDUCTASE ISOZYME 1 INHIBITORS
01/05/1995CA2165077A1 4-aza-pregnane 5.alpha.-reductase isozyme 1 inhibitors
01/03/1995US5378710 17β-substituted aza-androstane derivatives
12/1994
12/21/1994CN1027029C (22R, 23R, 24S)-22,23-epoxy-2alpha,3-alpha isopropylidenedioxy-B-homo-7-oxa-5alpha-stigmastan-6-one, process for preparation thereof and plant growth regulating composition containing the same
12/08/1994WO1994028011A1 Brassinosteroid derivatives and plant growth regulator containing the same
1 2 3 4 5 6 7 8 9 10 11 12